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Sharp-shinned hawk
A juvenile sharp-shinned hawk in Parrish, Florida.
Click for animation of feeding sharp-shinned hawk
Immature (nominate group)
Endangered subspecies venator, endemic to Puerto Rico
Acropora
Flight through a µCT image stack of an Acropora coral from three views; the "arms" are mostly hollow. This coral had been hot glued onto a stone and later grew over it.
Flight around a three-dimensional object created from the data above
Close-up of a network of Acropora polyps
Aequipecten
Small purple colored thresher caught at Pacifica Pier, California
Ambystoma kansensis (Adams 1929) fossil
Tiger salamander (Ambystoma tigrinum)
Phylogenetic tree showing relations among Ambystoma species and outgroups: For example, the sister taxon to Ambystoma macrodactylum is Ambystoma laterale, meaning they share a single common ancestor and are each other's closest living relatives.
Yellow-billed duck, Anas undulata
Northern pintail, Anas acuta
Green-winged teal, Anas carolinensis
Anas blanchardi fossil
Eurasian teal
Green-winged teal ( A. carolinensis), drake in nuptial plumage (note vertical white stripe from shoulder)
Female, WWT Slimbridge
Male in nuptial plumage (above) and female.
Note typical wide white wing stripe and conspicuous face markings of male, the colours of which give the name to the colour teal.
Drake in eclipse plumage (rightmost bird), hen and young
Wintering birds at Purbasthali, Burdwan District of West Bengal (India)
An American black duck (top left) and a male mallard (bottom right) in eclipse plumage
Juvenile
Iridescent speculum feathers of the male
A group of mallards quacking
Owing to their highly 'malleable' genetic code, mallards can display a large amount of variation,[1] as seen here with this female, who displays faded or 'apricot' plumage.
Male mallard, Sweden 2016
Female Mallard with five ducklings (Lac Archambeault, Québec)
Egg, Collection Museum Wiesbaden
Illustration by Carl Friedrich Deiker (1875)
Several drakes swim in a pond.
The last male Mariana mallard
George Hetzel, Mallard still life painting, 1883–1884
Map of the Roman Empire under Hadrian (ruled 117–138), showing the then homeland of the Angles (Anglii) on the Jutland peninsula in today's Germany and Denmark
The map shows both the Anglia (Angeln) and the Schwansen peninsulas
Possible locations of the Angles and Jutes before their migration to Britain.
Manuscript of Bede
Angles, Saxons and Jutes throughout England
Anolis
Carolina anole
Anolis carolinensis on Star Jasmine, South Carolina, demonstrating camouflage
Carolina anoles fighting
Anole displaying at its reflection
Carolina anole licking
Carolina anole eating a moth
Carolina anole eating a dragonfly
Carolina anoles mating
Juvenile male
Aphelops
Typical freshwater drum, Lake Jordan, Alabama (released)
Architectonica perspectiva
Architectonica (Maxima-group) consobrina
Architectonica plicata, a fossil species from the London Clay, Eocene; Barton cliff, Hampshire, England
Restoration of Arctodus simus
Three shapes on a square grid
The combined area of these three shapes is approximately 15.57 squares.
A square made of PVC pipe on grass
A square metre quadrat made of PVC pipe.
A diagram showing the conversion factor between different areas
Although there are 10 mm in 1 cm, there are 100 mm2 in 1 cm2.
A rectangle with length and width labelled
The area of this rectangle is lw.
A diagram showing how a parallelogram can be re-arranged into the shape of a rectangle
Equal area figures.
A parallelogram split into two equal triangles
Two equal triangles.
A circle divided into many sectors can be re-arranged roughly to form a parallelogram
A circle can be divided into sectors which rearrange to form an approximate parallelogram.
A blue sphere inside a cylinder of the same height and radius
Archimedes showed that the surface area of a sphere is exactly four times the area of a flat disk of the same radius, and the volume enclosed by the sphere is exactly 2/3 of the volume of a cylinder of the same height and radius.
A diagram showing the area between a given curve and the x-axis
Integration can be thought of as measuring the area under a curve, defined by f(x), between two points (here a and b).
A diagram showing the area between two functions
The area between two graphs can be evaluated by calculating the difference between the integrals of the two functions
American mastodon arm bone with A. simus tooth marks
Argyrotheca
3-lobed larval phase of Argyrotheca cordata, 180μm, lateral view, top apical lobe with long cilia, mid-section mantel lobe, with ventral cilia (left) and 4 bundles of setae (2 visible), bottom pedical lobe, without cilia
Figurine of Astarte with a horned headdress, Louvre Museum
Astarte riding in a chariot with four branches protruding from roof, on the reverse of a Julia Maesa coin from Sidon
Fragment of a crudely carved limestone stela showing king Thutmose IV adoring a goddess (probably Astarte). From Thebes, Egypt. 18th Dynasty. The Petrie Museum of Egyptian Archaeology, London
Phoenician figure representing an ancient Mideastern deity, probably the goddess Astarte, called the Lady of Galera (National Archaeological Museum of Spain)
Ring-necked duck female Houston, Texas
Drake canvasback stretching wings
Tubers of Sago Pondweed (Stuckenia pectinata), a favorite food of the canvasback
Baculites
Baculites specimen in the field; western South Dakota, Pierre Shale, Late Cretaceous. Part of the phragmocone (left) and part of the body chamber (right) are present.
Baculites showing sutures and remnant aragonite; western South Dakota, Late Cretaceous.
Baculites from the Late Cretaceous of Wyoming. The original aragonite of the outer conch and inner septa has dissolved away, leaving this articulated internal mold.
Balanus
Barbatia foliata
Ripening Ascolano olives in Corning, California.
Barnea at veraison
Coratina at different stages of ripening
Upland sandpiper
Call
B. isis jaw muscles
Caudal vertebra from Owen 1839
Skeleton of B. isis at Wadi El Hitan
Albert Koch's "Hydrarchos" fossil skeleton from 1845
Albert Koch's "Hydrarchos" fossil skeleton from 1845
B. isis hind limb
Ruffed Grouse by John J. Audubon c. 1861
Grey morph
Displaying male
Egg, Collection Museum Wiesbaden
Nest with large clutch
Snow hole and wing tracks of a grouse as it burst out of the snow when approached
Canada goose
Yellow plumage of gosling
In the grass in East Hills, New York
On Spokane River, Washington State
Flock in flight
Nesting in Wales
Approaching to beg for food in a Manchester park, a learned behavior
Cleaning feathers, Oxfordshire
Male goose carefully watches nearby humans in Winnipeg
Eggs, collection Museum Wiesbaden, Germany
Goslings
Geese and goslings in an English canal, showing formation
Resting in a pond during spring migration, Ottawa, Ontario
Low flyover by five Canada geese
Canada geese instinctively nest on higher ground near water. This female is nesting on a beaver lodge.
Family in builders' yard, Salem, Oregon: The mother goose had built a nest on an aggregate pile.
Roosting in a parking lot
A Canada goose feather recovered from Engine #1 of the Airbus A320 involved in US Airways Flight 1549. The aircraft was ditched in the Hudson River after its engines ingested several Canada geese.
Ruffed Grouse by John J. Audubon c. 1861
Grey morph
Displaying male
Egg, Collection Museum Wiesbaden
Nest with large clutch
Snow hole and wing tracks of a grouse as it burst out of the snow when approached
Canada goose
Yellow plumage of gosling
In the grass in East Hills, New York
On Spokane River, Washington State
Flock in flight
Nesting in Wales
Approaching to beg for food in a Manchester park, a learned behavior
Cleaning feathers, Oxfordshire
Male goose carefully watches nearby humans in Winnipeg
Eggs, collection Museum Wiesbaden, Germany
Goslings
Geese and goslings in an English canal, showing formation
Resting in a pond during spring migration, Ottawa, Ontario
Low flyover by five Canada geese
Canada geese instinctively nest on higher ground near water. This female is nesting on a beaver lodge.
Family in builders' yard, Salem, Oregon: The mother goose had built a nest on an aggregate pile.
Roosting in a parking lot
A Canada goose feather recovered from Engine #1 of the Airbus A320 involved in US Airways Flight 1549. The aircraft was ditched in the Hudson River after its engines ingested several Canada geese.
Anaxyrus fowleri
Fowler's toad in leaf litter
Eastern American Toad in Ohio
Detail of parotoid glands
Fossil shell of Bathytoma cataphracta from Pliocene of Italy
Drawing of a dorsal view of a living animal of Calliostoma bairdii dredged in the Atlantic Ocean at a depth of from 100 m to 1170 m.
Rare purple beaded specimen of Calliostoma supragranosum found subtidally in Southern California.
A detached bell tower (campanile) at the University of Kansas
The Santo Tomás parish church in Haro, La Rioja has an exconjuratory in its bell tower
Shafer Tower at Ball State University in Muncie, Indiana
Cancellaria
Cancellaria (Euclia) balboae
Skulls of dire wolf (C. dirus), gray wolf (C. lupus), eastern wolf (C. lycaon), red wolf (C. rufus), coyote (C. latrans), African golden wolf (C. anthus), golden jackal (C. aureus) and black-backed jackal (C. mesomelas)
Diagram of a wolf skull with key features labelled
Eurasian wolf skull
Dentition of a wolf showing functions of the teeth.
Comparative image of the red wolf (C. rufus) & the coyote (C. latrans). A 2016 genetic study of canid scats found that despite high coyote density inside the Red Wolf Experimental Population Area (RWEPA), hybridization occurs rarely (4% are hybrids).[2]
Skulls of North American Canis, with red wolf in the center
Red wolf in forest
Red wolf
Historical range of the red wolf (Canus rufus)
Audubon's depiction of the species (1851)
Melanistic individual at the Audubon Park, New Orleans (1931)
USFWS worker with red wolf pups, August 2002
Capulus danieli
Blacknose shark geographic range
Blacknose shark geographic range
Blacknose shark (Carcharhinus acronotus)
Blacknose shark (Carcharhinus acronotus)
Silvertip shark geographic range
Silvertip shark geographic range
Silvertip shark (Carcharhinus albimarginatus)
Silvertip shark (Carcharhinus albimarginatus)
Bignose shark geographic range
Bignose shark geographic range
Bignose shark (Carcharhinus altimus)
Bignose shark (Carcharhinus altimus)
Graceful shark geographic range
Graceful shark geographic range
Graceful shark (Carcharhinus amblyrhynchoides)
Graceful shark (Carcharhinus amblyrhynchoides)
Grey reef shark geographic range
Grey reef shark geographic range
Grey reef shark (Carcharhinus amblyrhynchos)
Grey reef shark (Carcharhinus amblyrhynchos)
Pigeye shark geographic range
Pigeye shark geographic range
Pigeye shark (Carcharhinus amboinensis)
Pigeye shark (Carcharhinus amboinensis)
Borneo shark geographic range
Borneo shark geographic range
Copper shark geographic range
Copper shark geographic range
Copper shark (Carcharhinus brachyurus)
Copper shark (Carcharhinus brachyurus)
Spinner shark geographic range
Spinner shark geographic range
Spinner shark (Carcharhinus brevipinna)
Spinner shark (Carcharhinus brevipinna)
Nervous shark geographic range
Nervous shark geographic range
Nervous shark (Carcharhinus cautus)
Nervous shark (Carcharhinus cautus)
Pacific smalltail shark geographic range
Pacific smalltail shark geographic range
Pacific smalltail shark (Carcharhinus cerdale)
Pacific smalltail shark (Carcharhinus cerdale)
Whitecheek shark geographic range
Whitecheek shark geographic range
Whitecheek shark (Carcharhinus dussumieri)
Whitecheek shark (Carcharhinus dussumieri)
Silky shark geographic range
Silky shark geographic range
Silky shark (Carcharhinus falciformis)
Silky shark (Carcharhinus falciformis)
Creek whaler geographic range
Creek whaler geographic range
Creek whaler (Carcharhinus fitzroyensis)
Creek whaler (Carcharhinus fitzroyensis)
Galapagos shark geographic range
Galapagos shark geographic range
Galapagos shark (Carcharhinus galapagensis)
Galapagos shark (Carcharhinus galapagensis)
Pondicherry shark geographic range
Pondicherry shark geographic range
Pondicherry shark (Carcharhinus hemiodon)
Pondicherry shark (Carcharhinus hemiodon)
Finetooth shark geographic range
Finetooth shark geographic range
Finetooth shark (Carcharhinus isodon)
Finetooth shark (Carcharhinus isodon)
Smoothtooth blacktip shark geographic range
Smoothtooth blacktip shark geographic range
Smoothtooth blacktip shark (Carcharhinus leiodon)
Smoothtooth blacktip shark (Carcharhinus leiodon)
Bull shark geographic range
Bull shark geographic range
Bull shark (Carcharhinus leucas)
Bull shark (Carcharhinus leucas)
Blacktip shark geographic range
Blacktip shark geographic range
Blacktip shark (Carcharhinus limbatus)
Blacktip shark (Carcharhinus limbatus)
Oceanic whitetip shark geographic range
Oceanic whitetip shark geographic range
Oceanic whitetip shark (Carcharhinus longimanus)
Oceanic whitetip shark (Carcharhinus longimanus)
Hardnose shark geographic range
Hardnose shark geographic range
Hardnose shark (Carcharhinus macloti)
Hardnose shark (Carcharhinus macloti)
Blacktip reef shark geographic range
Blacktip reef shark geographic range
Blacktip reef shark (Carcharhinus melanopterus)
Blacktip reef shark (Carcharhinus melanopterus)
Dusky shark geographic range
Dusky shark geographic range
Dusky shark (Carcharhinus obscurus)
Dusky shark (Carcharhinus obscurus)
Caribbean reef shark geographic range
Caribbean reef shark geographic range
Caribbean reef shark (Carcharhinus perezi)
Caribbean reef shark (Carcharhinus perezi)
Sandbar shark geographic range
Sandbar shark geographic range
Sandbar shark (Carcharhinus plumbeus)
Sandbar shark (Carcharhinus plumbeus)
Smalltail shark geographic range
Smalltail shark geographic range
Smalltail shark (Carcharhinus porosus)
Smalltail shark (Carcharhinus porosus)
Blackspot shark geographic range
Blackspot shark geographic range
Blackspot shark (Carcharhinus sealei)
Blackspot shark (Carcharhinus sealei)
Night shark geographic range
Night shark geographic range
Night shark (Carcharhinus signatus)
Night shark (Carcharhinus signatus)
Spot-tail shark geographic range
Spot-tail shark geographic range
Spot-tail shark (Carcharhinus sorrah)
Spot-tail shark (Carcharhinus sorrah)
Australian blacktip shark geographic range
Australian blacktip shark geographic range
Australian blacktip shark (Carcharhinus tilstoni)
Australian blacktip shark (Carcharhinus tilstoni)
Fossil teeth of Carcharias holmdelensis from Israel, Upper Cretaceous
Fossil teeth of Carcharias samhammeri from Israel, Upper Cretaceous
Fossil teeth of Carcharias tingitana from Morocco, Paleogene
A cast of C. ohioensis assembled from various specimens
Skeleton in Minnesota Science Museum
Mounted skeleton
Fossil shells of Cerithium crenatum from Pliocene of Italy
50 second video of snails (most likely Natica chemnitzi and Cerithium muscarum) feeding on the sea floor in the Gulf of California, Puerto Peñasco, Mexico
50 second video of snails (most likely Natica chemnitzi and Cerithium stercusmuscaram) feeding on the sea floor in the Gulf of California, Puerto Peñasco, Mexico
Skeleton of Cervus elaphus found at Għar Dalam
Stag and hinds
A group of hinds with calves
Two males roaring
Red deer mating
juvenile
The Monarch of the Glen, 1851, by Sir Edwin Landseer, an iconic image of the 19th century
Rustic deer antler candle holder
X-ray image of the shell of Charonia lampas
The struggle between a starfish and an Atlantic triton can last up to an hour before the seastar is subdued by the snail's paralyzing saliva.
Fossil shell of Charonia appenninica from Pliocene of Italy
Two individuals of Acanthopleura granulata on a rock at high tide level in Guadeloupe
Loose valves or plates of Chiton tuberculatus from the beachdrift on Nevis, West Indies, head plates at the top, tail plates at the bottom
Prepared chiton shell with structure of plates clearly visible.
The underside of the gumboot chiton, Cryptochiton stelleri, showing the foot in the center, surrounded by the gills and mantle: The mouth is visible to the left in this image.
Cryptoconchus porosus, a butterfly chiton, which has its valves completely covered by the girdle
Larvae of chitons: First image is the trochophore, second is in metamorphosis, third is an immature adult.
Separate plates from Matthevia, a Late Cambrian polyplacophoran from the Hellnmaria Member of the Notch Peak Limestone, Steamboat Pass, southern House Range, Utah are shown with a US one-cent coin (19 mm in diameter).
Hermes wearing a chlamys
King David in the Paris Psalter, 10th century AD
A painted turtle is swimming, apparently in an aquarium, and we see it front on at large scale, with its left webbed foot raised.
The painted turtle's yellow face-stripes, philtrum (nasal groove), and foot webbing
A full overhead shot of an eastern painted turtle
A full overhead shot of an eastern painted turtle
A midland painted turtle sitting on rocky ground facing left with his head slightly retracted into his shell
A midland painted turtle sitting on rocky ground facing left with his head slightly retracted into his shell
A southern painted turtle facing left, top-side view, stripe prominent, on pebbles
A southern painted turtle facing left, top-side view, stripe prominent, on pebbles
A western painted turtle standing in grass, with neck extended
A western painted turtle standing in grass, with neck extended
A handled turtle, exposing the orange-yellow undershell(plastron).
A handled turtle, exposing the orange-yellow undershell(plastron).
An overturned turtle on rocks: the under shell is faint tan with faint black shaded patterns on it.
The under shell(plastron) of a midland painted turtle

An overturned southern painted turtle facing right. Shell is yellow-tan without spots. Legs are splayed. On a white plastic background. An overturned turtle on grass: coloring is bright red with black and white Rorshach-like patterns.

Male southern painted turtle shows his long front claws
Female painted turtle
A female digging a nest with her hind legs.
A female digging a nest
Several baby painted turtles on moss on a light table.
Hatchling painted turtles
A painted turtle standing on a floating log
Basking for warmth
Painted turtle with green slime on its shell, on pebbles, with a couple of leaves on its back. Sun shining.
Moving on land
Map of North America showing the subspecies' specific ranges in different colors
An eastern painted turtle held
Eastern painted turtle in Massachusetts
Western painted turtle (watercolor by G. Aeschimann)
turtle on log looking up, we see it from the rear
Western painted turtle in Oregon
An open pond
Painted turtle habitat in New Hampshire
two diagrams showing numbes on the outer segments of turtle shells. There are some notches and then corresponding numbered code.
Shell marking code
a line drawing of Schneider's portrait at a 3/4 angle. he looks resolute and has long hair.
German naturalist Johann Gottlob Schneider first categorized the painted turtle.
fossils in a tray, paper labels nearby
Top and bottom shell fossils, about 5 million years old, from a Tennessee sinkhole[3]
An orange, diamond-shaped sign on the right side of a winding road way that says "Slow: crossing season" with a picture of a turtle.
British Columbia road sign (for painted turtle protection)
Oregon conservation video: If video play problematic, try external links within citations.[4][5] Note list of factors at 0:30–0:60 and hoop trap at 1:50–2:00.
A square turtle trap is floating near some reeds. There is a plank across the middle, but open access to a space in the middle otherwise, that three turtles are basking on, one crawling on the other. The outer sides of the trap slope and one turtle is starting to climb out of the water, up onto the trap. It is sunny.
Basking trap in Minnesota
A large turtle statue standing on two legs and holding a Canadian flag in one hand an American flag in the other.
Tommy the Turtle
Cidaris cidaris
Colinus
Plate 76 of Birds of America by John James Audubon depicting Virginian Partridge.
Egg
Closeup of the head of Coluber constrictor mormon
Northern Black Racer, C. c. constrictor
Conus
Corvina
Example of varietal wine produced from Corvina
Hooded crow (Corvus cornix) in flight
Jungle crow (Corvus macrorhynchos) scavenging on a dead shark at a beach in Kumamoto, Japan
Crow on a branch
Close-up of the upper body of a jackdaw (Corvus monedula)
House crow (Corvus splendens), Bangalore
Indian crow in Tamil Nadu
Corvus splendens or house crow resting in shadows on a rooftop with slaughterhouse refuse to eat
Nestlings, almost ready to fledge
A crow's nest is made of materials like twigs, electrical wires, metal strips, plastic pieces, and other small items.
The Hawaiian crow or ʻalala (Corvus hawaiiensis) is nearly extinct; only a few dozen birds survive in captivity. It is listed as "extinct in the wild" by the United States Fish and Wildlife Service.
Crow on a Branch - Kawanabe Kyosai (1831–1889)
Crow on a branch, Maruyama Ōkyo (1733–1795)
Dhumavati
The Twa Corbies by Arthur Rackham
In sunlight, the plumage can display a blue or purple sheen which is a result of iridescence.
Vocalising
Two juveniles in Iceland
Group of ravens gathered around dead member
Young on a nest – Hvítserkur, Iceland
Eggs of Corvus corax
Feeding
Flock feeding at a garbage dump
Dilapidated NIKE Missile radar dome in Alaska with an evening roost
Bill Reid's sculpture The Raven and The First Men, showing part of a Haida creation myth. Museum of Anthropology, University of British Columbia.
Valkyrie speaks with a raven in a 19th-century illustration of the Old Norse poem Hrafnsmál ("raven song") by Frederick Sandys
C. oweni skull
Skull of C. elephantopus
Individual walking towards a swamp, Robert Bruce Horsfall
Restoration by Charles R. Knight
Crassostrea
Crassostrea gigantissima (Finch, 1824) right valve interior (Eocene of Texas).
Crepidula
Crepidula immersa, now Maoricypta or Zeacrypta
Adult Crotalus horridus, Florida
Juvenile Crotalus horridus, Florida
Skeleton and model
The small eyes and loose skin are characteristic of hellbenders
Hellbender on display at the Smithsonian National Zoological Park, Washington, DC
Merlin chasing a blue jay
Blue jay in flight
Whole peanuts and other shelled food items are carried off in the beak to be dealt with at leisure.
Blue jay cracking nuts
Nest in the top of a little pine
Eggs, Collection Museum Wiesbaden
Fledgling in mid-June
Fledgling head
Cypraea albuginosa, museum specimens. Naturalis.
Desmognathus
Southern ringneck snake, Diadophis p. punctatus
The defensive display of a San Bernardino ring-necked snake
Southern ring-necked snake, D. p. punctatus
Ring-necked snake from Mount Diablo, California
Recently hatched ring-necked snake, Missouri Ozarks.
D. p. pulchellus, coralbelly ring-necked snake
Fossil dental plate of Diodon. Miocene of United States
Diodora elizabethae
Diodora saturnalis
Diodora patagonica
Diodora lineata
Dosinia coerulea
Dosinia
Dosinia exasperata
Dosinia lupinus lincta, the smooth artemis
Adult voicing cat-like sounds at Wildwood Preserve Metropark, Ohio, USA
Nest and egg in a cedar shrub four feet above the ground
Time-lapse video of a blooming echinopsis
Echinopsis chamaecereus at the Talcott Greenhouse.
Passenger pigeon
Earliest published illustration of the species (a male), Mark Catesby, 1731
Band-tailed pigeon, a species in the related genus Patagioenas
The physically similar mourning dove is not closely related.
Turnaround video of an adult male specimen at Naturalis Biodiversity Center
Turnaround video of an adult female specimen at Naturalis
Turnaround video of a juvenile female specimen at Naturalis
Skeleton of a male bird, 1914
Musical notes documenting male vocalizations, compiled by Wallace Craig, 1911
Specimen in flying pose, Academy of Natural Sciences of Drexel University
Live male in Whitman's aviary, 1896/98
Illustration of migrating flocks, Frank Bond, 1920
Juvenile (left), male (center), female (right), Louis Agassiz Fuertes, 1910
Alert parent bird posing defiantly towards the camera
Acorns in South Carolina, among the diet of this bird
Internal organs of Martha, the last individual: cr. denotes the crop, gz. the gizzard, 1915
Nesting captive bird, wary of the photographer
Nest and egg in Whitman's aviary
Preserved egg, Muséum de Toulouse
Live nestling or squab
Immature bird; the young were vulnerable to predators after leaving the nest
Billing pair by John James Audubon, from The Birds of America, 1827–1838. This image has been criticized for its scientific accuracy.
Painting of a male, K. Hayashi, c. 1900
Depiction of a shooting in northern Louisiana, Smith Bennett, 1875
1881 spread showing methods of trapping pigeons for shooting contests
Pigeon net in Canada, by James Pattison Cockburn, 1829
Trapper Albert Cooper with blind decoy pigeons for luring wild birds, c. 1870
Male and female by Louis Agassiz Fuertes, frontispiece of William Butts Mershon's 1907 The Passenger Pigeon
Life drawing by Charles R. Knight, 1903
"Buttons", the second last confirmed wild passenger pigeon, Cincinnati Zoo
Whitman's aviary with passenger pigeons and other species, 1896/98
Martha, the last passenger pigeon, alive in 1912
Martha at the Smithsonian Museum, 2015
Pigeons being shot to save crops in Iowa, 1867
Taxidermied male and female, Laval University Library
Closeup of head.
A close up portrait
Gravid female
Young corn snake
Baby corn snakes hatching from their eggs
Captive corn snake eating young mouse
A docile young corn snake (an introduced species) captured from the wild on the island of Nevis, West Indies, in 2009.
An anerythristic corn snake
Amelanistic Stripe corn snake
"Opal" phase corn snake
Exogyra
Exogyra.
Exilia
Epitonium hexagonum
Epitonium irregulare
Vocalizations of the Big brown bat vary with behavioral context
Big brown bats roost in a Minnesota barn
Fossil shell of Euspira catena from Pliocene of Italy
Eutrephoceras
Fossil Euthria from the Pliocene of Cyprus.
Eutrephoceras dorbignyanum
Eutrephoceras dekayi from the Coon Creek Formation
Exogyra costata, Prairie Bluff Chalk Formation (Maastrichtian); Starkville, Mississippi
Adult female in Winnipeg, Manitoba, Canada
Kestrel relaxing in an apple tree.
Female about to pounce
A young bird
Male with handler, San Diego Zoo
Fissurella
Fissurella crassa
Fissurella latimarginata
Fissurella radiosa tixierae, apical view
Fissurella rubropicta
Fissurella virescens
Ancient Egyptian flabella (top center) and lotus motifs. 1868, NYPL picture collection
A 19th-century painting by Horace Vernet of Pope Pius VIII being carried on the sedia gestatoria and flanked by flabella.
Eastern Christian ripidion, 19th century (Pskov museum).
Armenian silver ripidion, with six-winged seraphim.
Fossil of Galeodea tauroglobosa
Cazón en adobo
In flight
Juvenile swimming in the ocean off Mcgee Island, Maine
Swimming
Foraging
On a nest by water in Maine, U.S.
Egg
Adult with chicks
Cassell's book of birds, ca 1875
The underside of a human tongue, showing its rich blood supply.
Foramen cecum and terminal sulcus labelled above
Features of the tongue surface
Lateral view of the tongue, with extrinsic muscles highlighted
Coronal section of tongue, showing intrinsic muscles
Blood supply of the tongue
Section through the human tongue; stained H&E
Giraffe's tongue
Extended proboscis of a long tongued Macroglossum moth
Glycymeris
A variety of Goniopora sp.
A Mississippi map turtle swimming in a tank at a pet store.
Five sunning with a midland painted turtle, Ottawa, Ontario
Adult plastron
Basking on a sunny day
Adult and chick
Bald eagle anatomy
This eagle has a sizeable wingspan
Bald eagle in flight at Yellowstone National Park, Wyoming
Juvenile with salmon, Katmai National Park
With freshly caught fish in Kodiak
Head details
Feeding on catfish and other various fishes. Painted by John James Audubon
A bald eagle on a whale carcass.
At the Hawk Conservancy Trust in Andover
Mating
Egg, Collection at Museum Wiesbaden in Germany.
Chick at Everglades National Park
Newly fledged juvenile
First-year
Lady Baltimore, a bald eagle in Alaska who survived a poaching attempt, in her Juneau Raptor Center mew, on August 15, 2015
In Skagit Valley, Washington, United States
Staff at the National Eagle Repository processing a bald eagle
Seal of the President of the United States
Human left hand with hamulus of hamate bone shown in red
Numerous shells of a Turritella species washed up on the beach at Playa Grande, Costa Rica
Fossil specimens of Turritella incrassata
Eastern hognose snake
North Carolina specimen
Florida specimen
Cape Cod, Massachusetts specimen.
Western hog-nosed snake, H. nasicus
Bullhead shark egg case
Hexaplex
Barking tree frog, Hyla gratiosa
Hyla arborea
Metamorphs are often similar in appearance. H. gratiosa (left), H. cinerea (center), H. chrysoscelis (right)
Eggs
Metamorph
Hyla gratiosa males calling
Isognomon
Mole kingsnake (Lampropeltis calligaster rhombomaculata)
California kingsnake (Lampropeltis getula californiae)
Speckled king snake (Lampropeltis getula holbrooki)
A muon transmutes into a muon neutrino by emitting a
W
boson
. The
W
boson subsequently decays into an electron and an electron antineutrino.
Left-handed and right-handed helicities
Lepton–photon interaction

Each generation forms a weak isospin doublet.
File:Eastern Kingsnake (2008).jpg.
L. g. getula can be quite docile even when caught wild.
Milk snake
Juvenile Eastern milk snake
Young milk snake found in central Tennessee that had just eaten a lizard
Mexican milk snake, L. t. annulata
File:Eastern Kingsnake (2008).jpg.
L. g. getula can be quite docile even when caught wild.
Milk snake
Juvenile Eastern milk snake
Young milk snake found in central Tennessee that had just eaten a lizard
Mexican milk snake, L. t. annulata
Eastern kingsnake (Lampropeltis getula getula)
Florida kingsnake in Dixie County, Florida.
Lynx
Eurasian lynx
Iberian lynx
Bobcat
A lynx stalking prey
Bobcat
Comparative illustration of bobcat (top) and Canada lynx (bottom) heads (1906)
A bobcat finds water
Bobcat in the front yard of a residence
Bobcats often prey on rabbits, hares, and rodents.
Bobcat kittens in June, about 2–4 months old
Bobcat tracks in mud showing the hind-paw print (top) partially covering the fore-paw print (center)
Skull of a bobcat
Bobcat confronting a pair of coyotes.
Bobcat in urban surroundings: The species' range does not seem to be limited by human populations, as long as it can still find a suitable habitat.
The bobcat population has seen decline in the American Midwest, but is generally stable and healthy.
A Shiva Lingam near the Radhe Krishna Temple in Rajbira
A 10th-century four-headed stone lingam (Mukhalinga) from Nepal
Lingodbhava Shiva: God Shiva appears as in an infinite Linga fire-pillar, as Vishnu as Varaha tries to find the bottom of the Linga while Brahma tries to find its top. This infinite pillar conveys the infinite nature of Shiva.[6]
Mural painting depicting Shiva with the Lingam in the Palace of Mehrangarh Fort, Jodhpur.
A lingam with a swastika at the Katas Raj Temples in northern Pakistan.
A birds eye view of a Shiva Lingam
Ancient Shiv Ling at Rajbari.jpg
Lingam in the cave at Amarnath
Lunularia can also reproduce sexually, as illustrated by Haeckel in this drawing of an archegonial head with (diploid) sporophyte plantlets. The main plant body (thallus) is haploid
L. orbiculatum on a rock fragment; rock length ~3 cm.
Lithophyllum sp.
Macoma secta, the white-sand macoma
Exhuming the First American Mastodon, 1806 painting by Charles Willson Peale
Comparison of woolly mammoth (L) and American mastodon (R)
Comparison of a woolly mammoth (left) and an American mastodon (right).
Excavation of a specimen in a golf course in Heath, Ohio, 1989
American mastodon molars at the State Museum of Pennsylvania
Female and calf American mastodon at the George Page Museum
Restoration of an American mastodon herd by Charles R. Knight
Tooth of M. africanavus, one of the earliest known species of mammoth, from North Africa.
Paleolithic painting of mammoth from the Rouffignac Cave
Restoration of a steppe mammoth
Colored silhouette of a mammoth, relative in size to a human and past and present elephants
Size (blue) compared to a human and other mammoths
Lyuba, a mummified woolly mammoth calf, at the Field Museum of Natural History in Chicago
Mammuthus primigenius "Hebior Mammoth specimen" bearing tool/butcher marks
Model depicting the calf "Dima", Stuttgart
Large mammoth tooth
1863 lithograph of the partial holotype molar (specimen BMNH 40769)
Skeleton of a mammoth with long, curved tusks
One of the largest mounted mammoth skeletons in the world, nicknamed "Archie", at Nebraska State Museum of Natural History. It is the type specimen of the synonym Archidiskodon imperator maibeni
Four archeologists excavating a mammoth skeleton
Excavation of a pygmy mammoth, which evolved from Columbian mammoths on the Channel Islands of California
Museum skeleton, with curved tusks crossing at the tips
Specimen formerly assigned to the synonym M. jeffersonii (also suggested to be a hybrid between Columbian and woolly mammoths) at the American Museum of Natural History
Mammoth skull on a dolly
Underside of the skull of a male La Brea specimen nicknamed "Zed", showing upper molars
Large rocks rising from coastal sand
Outcrops on Goat Rock Beach, possibly used as rubbing rocks by Columbian mammoths
Drawing of a pair of mammoths; one has short tusks, and the other's are long and curved.
Restoration of a pair by a lake, Robert Bruce Horsfall, 1912
Remains of a mammoth buried 53,000 years ago
Female "mammoth W" specimen at the Waco Mammoth National Monument
Partially-excavated mammoth skeleton, 26,000 years old
Male "Murray" specimen at the Hot Springs Mammoth Site
Predators fighting over a Columbian mammoth carcass in the La Brea Tar Pits, Robert Bruce Horsfall, 1911
S. fatalis fighting dire wolves over a Columbian mammoth carcass in the La Brea Tar Pits, Robert Bruce Horsfall, 1913
Mammoth jaw with other bones on the ground
Mandible showing lower molars, in a lahar deposit at the Paleontological Museum in Tocuila, Mexico
Mammoth skeleton with long, curved tusks, in front of a painted prehistoric backdrop
Cast of the old male "Huntington mammoth" (which had preserved stomach contents) at the Natural History Museum of Utah
Young mammoth skeleton, with a large skull relative to its body
Skeleton of a juvenile at the Natural History Museum of Utah
Painting of sloth in tar pit menaced by saber-toothed cat, with condors waiting in a tree
Environment around the La Brea Tar Pits, with Columbian mammoth herd in the background, Charles R. Knight, 1921
S. fatalis pair approaching a group of ground sloths (Paramylodon), one mired, at the La Brea Tar Pits, Charles R. Knight, 1921
Drawing of humans hunting an elephant-like mammoth, who is lifting a human with its trunk
Fanciful restoration of a Columbian mammoth hunt, John Steeple Davis, 1885
Side-by-side rock carvings
Tracings of petroglyphs from Utah, depicting two Columbian mammoths; a bison carving is superimposed on one of the mammoth carvings
Seven Clovis points
13,000 year old Clovis points
A margin snail with its mantle partly covering the shell
Marpesia from Promptuarii Iconum Insigniorum
"Flagellata" from Ernst Haeckel's Artforms of Nature, 1904
Parasitic excavate (Giardia lamblia)
Green algae (Chlamydomonas)
"Flagellata" from Encyclopædia Britannica
Megalonyx jeffersonii skeleton cast produced and distributed by Triebold Paleontology Incorporated
Megalonyx jeffersonii skeleton
Melanella
Melanella martinii, abapertural view
Adult female – showing reddish belly.
Peeking out of its nest
A female red-bellied woodpecker feeding her chick
Red-bellied woodpecker feeding on the ground, Central Park, New York, USA.
Red-bellied woodpecker foraging behavior
Plate 1 of The Birds of America by John James Audubon, depicting a wild turkey
Male ocellated turkey, Meleagris ocellata
A roast turkey surrounded by Christmas log cake, gravy, sparkling juice, and vegetables
Closeup of wild turkey hen
Eastern subspecies
Wild turkey in flight
Hen with poults
Nest with 10 eggs
Hen with juveniles
Eastern wild turkey
Rio Grande wild turkey has relatively long legs
Gould's wild turkey
Female wild turkey with young, from Birds of America by John James Audubon
Eastern wild turkey (M. g. silvestris) hens
Mesalia
Defensive Position
Nahal Ayyun Bridge
Park near Nahal Ayyun
Safari Disaster Memorial site
Ice skating in the Canada Centre
Microtus skulls (Bailey, 1900)
Microtus skull bases (Bailey, 1900)
Side view
Juvenile in the open
On the ground amid strands of grass in Virginia, US
Murex altispira
Fossil shell of Murex spinicosta from Pliocene of Italy
Little brown bat with white-nose syndrome
Applying a wing band to help biologists and researchers identify individual bats from year to year.
Fossil tooth or plate of Myliobatis dixoni from Khouribga (Morocco), 55-45 mya
Archaeological museum Narona
Fossil Naticarius millepunctatus, Nicosia Formation, Pliocene, Cyprus.
Mare and foal at Ashfall Fossil Beds
A large pack rat midden (center) from the Pleistocene period
Active pack rat midden in northern Nevada
Bushy-tailed woodrat on midden
Nerodia rhombifer, diamondback water snake, giving birth
Nerodia erythrogaster transversa, blotched water snake
Nucula
Fawn waving its white tail
Male whitetail in Kansas
Seneca White Deer
O. v. truei, female, Costa Rica
Three O. v. borealis, New Hampshire
North America
Central and South America
White-tailed deer buck seen in Missoula, Montana.
Female with tail in alarm posture
Close up of female's head
Male white-tailed deer
White-tailed bucks with antlers still in velvet, August 2011
White-tailed deer during late winter
These bucks were pursuing a pair of does across the Loxahatchee River in Florida—the does lost them by entering a mangrove thicket too dense for the bucks' antlers.
Fawn lying on grass
Two white-tailed deer nuzzling in Cayuga Heights, New York
Rescued fawn being kept as a pet in a farm near Cumaral, Colombia
Three White-tailed deer spotted in Buena Vista, Virginia
Car that suffered major damage after striking a white-tailed deer in Wisconsin
Odocoileus virginianus skull, part of an exhibition on the cultural artifacts of the Cora people of Western Mexico.
The prominent cusps of one Odontaspis species (O. ferox).
Odostomia fusulus Monterosato, 1878
Buddhist monastery in Olivella
O. aestivus, rough green snake
O. aestivus climbing over vegetation
Illustration of the owl by Audubon
Screech owls can easily avoid detection during the day due to their effective camouflage among the bark of deciduous trees.
Juvenile eastern screech owl
Fuertes portrait of a red and gray morph screech owl
Fossil valves of Ostrea forskali from Pliocene of Italy
A lingual (tongue-side) view of a lateral O. obliquus.
Illustration of articulated vertebrae of P. toliapicus
Two cladograms proposed for Panthera. The upper one is based on phylogenetic studies by Johnson et al. (2006),[7] and by Werdelin et al. (2010).[8] The lower cladogram is based on a study by Davis et al. (2010)[9] and by Mazák et al. (2011).[10]
A male jaguar photographed near Rio Negro, Brazil
Fossil skull of Pleistocene North American jaguar (Panthera onca augusta)
The head of the jaguar is robust and the jaw extremely powerful. The size of jaguars tends to increase the farther south they are located.
A melanistic jaguar is a color morph which occurs at about 6 percent frequency in populations.
The jaguar inhabits a variety of forested and open habitat, but is strongly associated with the presence of water.
Mother about to pick up a cub by the neck
4-months-old cub at the Salzburg Zoo
Jaguars at Cameron Park Zoo in Waco, Texas
The jaguar has an exceptionally powerful bite that allows it to pierce the shells of armored prey.
Illustration of a jaguar killing a tapir, the largest native land animal in its range
Jaguar killed by Theodore Roosevelt
A melanistic jaguar
Adult jaguar in Cameron Park Zoo, Waco, Texas
El Jefe
Moche jaguar figurine (300 AD), Larco Museum Lima, Peru
Jaguar warrior in the Aztec culture
Statuette Karajà
Copy of the Book of Chilam Balam of Ixil in the National Museum of Anthropology, Mexico
The Three Graces, by Antonio Canova (Hermitage, St. Petersburg)
Skull diagram
Fisher in winter coat
A fisher in the woods near Ipswich, Massachusetts
A fisher climbing a tree at night
Fisher pelts sold: 1920–1984[11][12]
Fisher fur pelt (dyed)
Fisher raiding a farmer's duck coop
Male fisher killed by anticoagulant rodenticide on a marijuana grow site on US Forest Service Lands, southern Sierra Nevada mountains
Penion
An embedded fossil of Penion crawfordi from Cape Palliser, New Zealand.
Young bird
Eurasian magpie egg
Hopscotch game with the magpie rhyme
Maghreb magpie (P. p. mauritanica) showing the characteristic blue patch behind the eye
In flight
P. p. bactriana in Ladakh
Female of the Great Basin race, orius, which has less white on the wings than eastern races and has cream-colored underparts
Male moulting to his duller feathers during autumn
Scarlet tanagers eat ripe fruit when available, occasionally including ones, such as this orange half, that are set out by humans
Call of the Scarlet Tanager
Stuffed Scarlet tanager from 1860's, St. Barthélemy
A northern slimy salamander in Great Smoky Mountains National Park, Tennessee
Young chick swimming on Lake Washington
P. podiceps eggs at Bogotá's Simón Bolívar Park
Adult with two juveniles feeding on a crawfish
Polinices
Polinices galianor umbilicus; Pliocene of San Diego County, California.
Porella
Potamides
Pseudemys
Common grackle
Iridescent male common grackle
Common grackle (Quiscalus quiscula) in Central Park, New York, USA.
Jai Singh I of Amber receiving Shivaji a day before concluding the Treaty of Purandar (12 June 1665)
The Maharaja of Benares and his suite, 1870s
A Chinese depiction of a Raha (the Spanish pronunciation of Rajah) or Hari in Boxer Codex (c. 1595). Raja was a title used by the Royalties in the Classical Period of pre-colonial Philippines.
Raja Dhrub Dev assesses a horse, by Nainsukh, c. 1740s; it was usual for horses to be shown off in front of a white sheet, to better appreciate their form
Rana (genus)
American bullfrog
In typical aquatic habitat
A young male displaying yellow throat and large tympani
Bullfrog larva and mouthparts
Juvenile with a small, grey, oval-shaped area on top of the head, the parietal eye
Alligator feeding on a bullfrog
Bullfrogs in a Chinese supermarket
American bullfrog caught at night by a pond in the Southern United States on a homemade frog gig
Young northern leopard frog
Two burnsi morphs, a green morph, and a brown morph of the northern leopard frog
Near Welland Canal, Ontario
Reindeer losing the velvet layer under which a new antler is growing, an annual process
Skull
Caribou licking salt from roadway in British Columbia
Swedish reindeer
The size of the antlers plays a significant role in establishing the hierarchy in the group.[13]
Swedish reindeer walking
Reindeer standing on snow to avoid blood-sucking insects.
Approximate range of caribou subspecies in North America. Overlap is possible for contiguous range. 1.R. t. caribou subdivided into ecotypes: woodland (boreal), woodland (migratory), woodland (montane), 2.R. t. dawsoni extinct 1907, 3. R. t. granti, 4.R. t. groenlandicus, 5. R. t. groenlandicus/pearyi 6. R. t. pearyi
Male Porcupine caribou R. t. granti in Alaska
The Beverly herd of barren-ground caribou, Thelon River, Nunavut.[14]
The Peary caribou is a relatively small and pale subspecies found in the tundra of far northern North America. Unsurprisingly, it is part of the group known as tundra reindeer.
Characteristically small and relatively short-legged reindeer from Svalbard
Svalbard reindeer (R. t. platyrhynchus)
Southernmost reindeer: South Georgian reindeer with velvet-covered antlers
Reindeer pulling a sled in Russia
Early 20th Century Inuit parka from caribou skin
A reindeer sled, Arkhangelsk, Russia. Late nineteenth-century photochrom
Milking reindeer in the 19th century
Tragelaphus or deer-goat
Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas lights
Rhinobatos hakelensis fossil
Fossil of Rhinobatos whitfieldi
Fossil of Rhinobatos hakelensis
The town
Scolopax minor concealed in grass
American woodcock
Fossil of Scyliorhinus elongatus from Cretaceous of Lebanon
A shell of Seila marmorata
Illustration of American woodcock head and wing feathers
"Woodcock, with attenuate primaries, nat. size." 1891.
Woodcock chick in nest
Downy young are already well-camouflaged
Jupiter and Semele (1894-95), by Gustave Moreau
Drawing from an Etruscan mirror: Semele embracing her son Dionysus, with Apollo looking on and a satyr playing an aulos
Roman sarcophagus (ca. 190 CE) depicting the triumphal procession of Bacchus as he returns from India, with scenes of his birth in the smaller top panels (Walters Art Museum, Baltimore, Maryland)
Jove and Semele (1695) by Sebastiano Ricci
Chlorocruorin
Shells of Sinum grayi
A shell of Sinum haliotoideum
Skena River
S. populator skull and syntype canine from Lund's collection, Zoological Museum, Copenhagen
1869 lithograph of the holotype molar and maxilla fragment of S. fatalis
Isolated S. populator canine tooth; the tip points to the right
La Brea S. fatalis skull cast with jaws at maximum gape
Lion pride attacking an African buffalo in Tanzania; Smilodon may also have hunted in groups
Undersides of S. fatalis skulls, showing canine replacement, George C. Page Museum
Maximum gape (A) and reconstructions of neck bite in prey of different sizes (B, C)
1880 skeletal diagram of S. populator
Barracuda
Woman carrying a barracuda in Madagascar
Photo of diver swimming among barracuda
Scuba diver swimming inside a group of Sphyraena putnamae off Ko Tao, Thailand.
Photo of barracuda head in profile with jaw extended
Close-up of Sphyraena barracuda
Sphyraena barracuda, with prey
School of Sphyraena qenie, at Elphinstone Reef in the Red Sea
A battery of Sphyraena putnamae, in Bora Bora
A battery of Sphyraena flavicauda off Dayang, Malaysia
Sphyraena borealis
Skull
Fur skin of Spilogale putorius
Fossil valve of Spondylus crassicosta from the Pliocene of Italy
Pacific thorny oyster, S. crassisquama Lamark, 1819, from the Gulf of California, Mexico
The interior of two fossil valves of Spondylus from the Pliocene of Cyprus
Cat's tongue oyster, Spondylus linguaefelis Sowerby, 1847, from Hawaii
A view of the colorful mantle edges of a live thorny oyster from East Timor: The eyes can be seen on the fringe between the mantle and the shell.
A fossil Spondylus gaederopus from the Pliocene of Cyprus
North American brown snake
A brown snake in Clarksville, Tennessee
Close-up, Ontario, Canada
Gatineau Park, Gatineau, Quebec
Barred pattern, Ontario, Canada
Barred Owl song, recorded in Florida, USA
Live animal of the Florida fighting conch Strombus alatus. Note the extensible snout in the foreground, and the two stalked eyes behind it
Fossil shell of Strombus radix
Fossil shell of Strombus coronatus from Pliocene of Italy
Pleistocene fossil
(video) A tapir at Ueno Zoo.
Tapir showing the flehmen response
Baird's tapir
A mountain tapir, the wooliest and most threatened species of tapir
Lowland tapir earthenware from Suriname, made before 1914
T. proterum and Barbourofelis loveorum
Terebra maculata shell
Terebra inversa, a fossil gastropod from Pliocene deposits near Antwerp.
Posterior tooth of a garter snake
Close up of the scales on the back of the common garter snake.
Eating a frog
Mating ball
Young garter snake
Common garter snake (Thamnophis sirtalis sirtalis)
Eastern blackneck garter (Thamnophis cyrtopsis ocellatus)
Checkered garter snake (Thamnophis marcianus)
Eastern Plains garter snake (T. radix radix), a disputed subspecies of Thamnophis radix
Redstripe ribbon snake (T. proximus rubrilineatus)
Texas garter snake (Thamnophis sirtalis annectens)
Tetrodotoxin effects in garter snakes
Effects of temperature in the common garter snake
Thiara winteri, abapertural view
A red variety of Trachyphyllia in a reef aquarium
Comparisons of "trapezium" in both British and American English.
Fossil teeth of T. oshoshunensis from Khouribga (Morocco.)
Trinacria as depicted on flag of Sicily
Hindu priest blowing a trumpet made out of a large shell of Turbinella pyrum, in Tirupati, India
Cut-away view of an air foil bearing-supported turbocharger
On the left, the brass oil drain connection. On the right are the braided oil supply line and water coolant line connections.
Compressor impeller side with the cover removed.
Turbine side housing removed.
Garrett variable-geometry turbocharger on DV6TED4 engine
Illustration of typical component layout in a production turbocharged gasoline engine.
Illustration of inter-cooler location.
A recirculating type anti-surge valve
A free floating turbocharger is used in the 100 litre engine of this Caterpillar mining vehicle.
A medium-sized six-cylinder marine diesel-engine, with turbocharger and exhaust in the foreground
Redwing (Turdus iliacus) in Iceland
Male sings
Juvenile
Juvenile
Male
Female
Male with a worm
Perching on tree
Robin with nest-making materials
Tetrao cupido drawn by T. W. Wood for second edition of Darwin's The Descent of Man, 1874
Coat of arms during the sede vacante – featuring an umbraculum
Umbraculum in the Basilica of Saint Stanislaus Kostka in Winona, Minnesota
Detail of head – taken at the Cincinnati Zoo and Botanical Garden.
Cinnamon-colored black bear eating dandelions in Waterton Lakes National Park
Black bear at Grand Teton National Park
American black bears can be distinguished from brown bears by their smaller size, their less concave skull profiles, their shorter claws and the lack of a shoulder hump.
Some specimens may develop a white "crescent moon" mark on the chest. This white mark, which is constant in Asian black bears, occurs in only 25% of American black bears.[15]
Skull
Cinnamon-colored black bear in Yellowstone National Park
White-furred Kermode black bear
Black bear swimming
Newborn black bear cubs
Female with cubs in Parc Omega, Quebec
Mother black bear and cubs, hibernating
Black bear feeding on a bush
Black bear taking a dead chum salmon near Hyder, Alaska
Black bear with pink salmon
Harry Colebourn and Winnie, the bear from which Winnie the Pooh derives his name
The incidence of bear attacks in parks and campgrounds declined after the introduction of bear-resistant garbage cans and other reforms.
Verticordia
V. chrysantha in Kalbarri National Park
Painting by Ellis Rowan; V. grandis, V. huegelii, V. brachypoda
Volvariella
A view of the fossil shell of Xenophora infundibulum
The location of the state of Alabama
Zygorhiza kochii skull at the North Carolina Museum of Natural Sciences
Fossil in Teylers Museum, Haarlem
Agonum species (and Anchomenus dorsalis in lower right corner) from Edmund Reitter's Fauna Germanica (1908)
Ainu people
A group of Ainu people, c. 1870
Ainu bear sacrifice. Japanese scroll painting, c. 1870
The Oki Dub Ainu Band, led by the Ainu Japanese musician Oki, in Germany in 2007
Map of Ainu in Hokkaido
Ainu hunters, 19th century
Ainu man, circa 1880
John Batchelor took a picture of this Ainu man, who Batchelor said had hair completely covering his body.
Ainu men often have heavy beards.
Ainu woman with mouth tattoos and live bear
1843 illustration of Ainu
1862 illustration of an Ainu man (left) and a Nivkh couple (right)
Woman playing a tonkori
Ainu ceremonial dress, British Museum
Bear hunting, 19th century
Ainu traditional ceremony, c. 1930
Ainu cultural promotion centre and museum, in Sapporo (Sapporo Pirka Kotan)
People wearing traditional Ainu clothes in Hokkaido
Sakhalin Ainu men, photographed by Bronisław Piłsudski
Kuril Ainu people in front of the traditional dwelling
Bull and cow moose
Cow moose
Moose calf
Staged picture of a moose hunt in Norway, date unknown
Growing antlers are covered with a soft, furry covering called "velvet". Blood vessels in the velvet transport nutrients to support antler growth.
Young female (A. a. americana) in early June.
Crossing a river
Bark stripping
Bull moose eating a fireweed plant
Bull moose browses a beaver pond
A bull moose, disturbed by the photographer, lowers its head and raises its hackles.
Iron Age saddle from Siberia, depicting a moose being hunted by a Siberian tiger.
Moose attacked by wolves
Killing a moose in typical fashion: biting the hindquarters
Moose and reflection
Long legs allow moose to wade easily through deep water or snow.
Moose trophy head
Moose scat is commonly found on trails. Some souvenir shops sell bags of it, sealed with shellac and labeled with humorous names.
Norwegian road sign.
Warning sign in Alaska where trees and brush are trimmed along high moose crossing areas so that moose can be seen as they approach the road.
Moose (A. a. gigas) crossing a road in Alaska.
File:MSU V1 - Alces alces pack animals 2.png
Moose kept as pack animals, Pechora-Ilych Nature Reserve, December 1952
An artist's rendition of Libralces gallicus
Alder
A Red Alder seed is a tiny samara like those of all alders
Alder coat of arms of Grossarl, Austria
Speckled alder (Alnus incana subsp. rugosa)—leaves
Leaves of the tag alder
Green Alder (Alnus viridis)
Alnus × spaethii
Pups of Arctic fox with summer morph
A Arctic fox (Summer morph) with fish
Arctic fox sleeping with its tail wrapped around itself
The Arctic fox's seasonal furs, summer (top), "blue" (middle), and winter (bottom)
Skull
Aphaenogaster dlusskyana worker in amber
Aphaenogaster gonacantha worker
A. lepida worker and male
The front and rear sides of a piece of birch bark
Birch leaves
Birch trees near stream in Hankasalmi, Finland
A stand of birch trees
Birch tree in autumn
Birch plywood
A birch bark inscription excavated from Novgorod, circa 1240–1260
Skull
Bootherium skull
Maria Grazia Buccella
Male and harem
Fur seal pups, including one rare albino
Overview of rookery
Northern fur seal pups
Men killing fur seals on Saint Paul Island, Alaska, 1890s
Carpenter ant cleaning antennae
Carpenter ants carrying a dead bee
A major worker of Camponotus sp.
Carpenter ant colony in an old fir stump
C. pennsylvanicus, winged male
C. crispulus queen
Wood damage by C. herculeanus
This structural board was destroyed by carpenter ants. They left the dense "late wood" of each growth ring intact, to use as galleries.
This structural board was destroyed by carpenter ants. They left the dense "late wood" of each growth ring intact, to use as galleries.
Honeypot ants in Northern Territory, Australia
Carabus macropus in a colour plate from Jacobson 1905-1915
Carabus favieri fezzanus
Carabus hispanus
Carabus rutilans
C. rutilans
Larva
Skeleton of Cervus elaphus found at Għar Dalam
Stag and hinds
A group of hinds with calves
Two males roaring
Red deer mating
juvenile
The Monarch of the Glen, 1851, by Sir Edwin Landseer, an iconic image of the 19th century
Rustic deer antler candle holder
Chrysolina bicolor
Chrysolina hyperici
Chrysolina numida
Chrysolina quadrigemina
Young male catkins of Corylus avellana
A hazel coppice in winter at Bubbenhall in Warwickshire, England.
Crepidula walshi, now Siphopatella walshi
Crepidula immersa, now Maoricypta or Zeacrypta
Skull of a cross between a narwhal and a beluga whale, at the Zoological Museum, Copenhagen
Skeleton of D. leucas
Front view of a Beluga whale in captivity
Head of a beluga showing its distinctive white colouring and the large frontal prominence that houses the melon
Spiracle in the back of a beluga's head
A beluga showing its tail fin in shallow water in Vancouver Aquarium, Canada
Emission and reception of sounds in a toothed whale
Aerial view of a pod of belugas swimming at the surface
Pacific salmon, the staple diet of belugas from Alaska
Underwater photo of calf swimming slightly below and behind its mother
Female and calf
Vocalizations of Delphinapterus leucas published by NOAA
Circumpolar distribution of beluga populations showing the main subpopulations
Beluga in the mouth of the Churchill River in the Hudson Bay, Canada
Illustration from 1883 showing Dena'ina hunting party harpooning a beluga in Cook Inlet, Alaska
Russian scientists working on the White Whale Program place transmitters onto whales in Sea of Okhotsk
Photo of two white whales cheek-to-cheek with two trainers
Beluga whales in an aquarium interacting with trainers
Beluga at the confluence of the Saint Lawrence and Saguenay Rivers
Video explaining conservation efforts in the Sea of Okhotsk, Russia
Photo of stamp showing two adults and one juvenile, swimming
Pictured on Faroe Islands stamp
Engravings on beluga bones
Mother sea otter with rare twin pups, Morro Bay, California. Sea otter twin births are rare, and the high demands on the mother usually result in one pup being abandoned.[16]
Sea otter ln Morro Bay, California
Sea otter floating in Morro Bay, California
A sea otter's thick fur makes its body appear plumper on land than in the water
File:MSU V2P1b - Enhydra lutris skull.png
Skull, as illustrated by N. N. Kondakov
Sensitive vibrissae and forepaws enable sea otters to find prey using their sense of touch
A sea otter swimming on its back, holding a sea urchin and smashing a rock against it
Sea otters are keystone species and keep sea urchin populations in check. Its depopulation in the Aleutian Islands may have led to the decline of kelp and subsequently of sea cows.[17]
Sleeping sea otters holding paws, photographed at the Vancouver Aquarium, Vancouver, British Columbia, Canada.[18] Note the high buoyancy of the animals' bodies.
During mating, the male bites the nose of the female, often bloodying and scarring it
A mother floats with her pup on her chest. Georg Steller wrote, "They embrace their young with an affection that is scarcely credible."[19]
Sea otter, Kenai Fjords National Park, Alaska
John Webber's Sea Otter, circa 1788
Sea otter nursing pup. California has almost 3,000 sea otters, descendants of about 50 individuals discovered in 1938.
Sea otters keep kelp forests healthy by eating animals that graze on kelp
Remote areas of coastline, such as this area in California, sheltered the few remaining colonies of sea otters that survived the fur trade
Aleut men in Unalaska in 1896 used waterproof kayak gear and garments to hunt sea otters
Pelt sales (in thousands) in the London fur market – the drop beginning in the 1880s reflects dwindling sea otter populations.[20]
In the wake of the March 1989 Exxon Valdez oil spill, heavy sheens of oil covered large areas of Prince William Sound
Sea otters in the Olympic Coast National Marine Sanctuary – note the unusual shape of the hind feet, in which the outer toes are longest
File:Moss-landing-otter.jpg
Sea otters like this one near Moss Landing are a tourist attraction in the Monterey Bay area in California
Aleut carving of a sea otter hunt
Aleut carving of a sea otter hunt
Sea otters at the Lisbon Oceanarium show their flexibility when grooming
Epipremnum
Epipremnum giganteum
Gray whale
Skeleton
A close-up of a gray whale's double blow hole and some of its encrusted barnacles
Gray whale breaching
Gray whale spouting along shores of Yachats
A whale swims nearby Santa Monica Mountains.
Gray whale breaching off the coast of Santa Barbara, California
A gray whale viewed from above
A gray whale breaching in a lagoon on the coast of Mexico
A gray whale swims near surf on Nootka Island within residential range.
A gray whale in the water of Sakhalin.
Charles Melville Scammon's 1874 illustration of a gray whale
Joint American-Russian freeing effort of whales entrapped by ice floe in Beaufort Sea.
Steller sea lion skull
Relative sizes of sleeping Steller sea lion pup, adult female, and male on Yamsky Islands in the northeast Sea of Okhotsk
Steller sea lions congregate on rocks in the Gulf Islands of British Columbia
Adult bull, females, and pups near Juneau, Alaska
Steller sea lion pup (Kuril Islands, Russia)
Steller sea lions haul out on Amak Island
Steller sea lions near Vancouver Island
Steller sea lion releasing air underwater
Exilia
Helophorus grandis
Ribbon seal pup on the ice
Ribbon seal
Steller's sea cow
The skull has a hole on the snout, large eye-sockets on either side, and flattens out on the top. There are no teeth visible.
The skull of a Steller's sea cow, Natural History Museum of London
There are two large, oval-shaped plates with a ridge running down the middle, and grooves running diagonally from either side of the ridge. There are many bristles of varying sizes and widths, but all are stiff at the base and taper out at the end. There are several small rectangular teeth with numerous holes in them.
Illustrations of the dentition of Steller's sea cow by Johann Christian Daniel von Schreber
An illustration of a dead Steller's sea cow on its side on a beach, with three men butchering it
Stejneger's 1925 reconstruction of Steller measuring a sea cow in 1742
On the left side of the rectangular stamp is a map of the Bering Sea showing Russia to the left and Alaska to the right, and a black line following the path of Bering's voyage which starts on the Kamchatka Peninsula, goes into the Aleutian Islands, then loops back around and ends in the Commander Islands. On the right side of the stamp is a large ship in a storm.
1966 Soviet postage stamp depicting Bering's second voyage and the discovery of the Commander Islands
On slightly yellow paper using black ink, there is Kotick the white seal with his arms protruding straight up out of the water. He is facing a sea cow who is darkly shaded, has large nostrils, small eyes, stocky body, and covered in seaweed. Behind Kotick is another sea cow who is eating seaweed, and in the background there are many other sea cows. One of the sea cows is sticking its tail out of the water, which resembles that of a dolphin. The coastline is visible to the right.
Kotick the white seal talking to sea cows in Rudyard Kipling's The Jungle Book (1895)
Laurus
Leistus
Anatomy of Littorina
Parsonsia brownii
Parsonsia brownii
Magnolia
Magnolia seeds and fruit on a tree in northern Argentina
Magnolia grandiflora
Magnolia flowers in Wiesbaden, Germany
M. obovata
M. wilsonii
M. fraseri
M. macrophylla var. ashei flower in female phase
M. liliiflora
Magnolia × alba
Magnolia × soulangeana
Flowering Magnolia figo 'Purple Queen'
Magnolia × wieseneri
Magnolia tree in full bloom
Magnolia tree in Kenosha
Magnolia tree in the Fall.
Magnolia by Sarah Maloney
A sea otter at Moss Landing, California, eating what appear to be Mya arenaria
Nebria bonellei in a colour plate from Jacobson 1905-1915
Abapertural view of the shell of Neptunea lyrata
Collared pika on Hatcher Pass, Alaska
Ochotona sp. fossils
Vegetation pile, drying on rocks for subsequent storage. Gad Valley, Snowbird Ski Resort, Little Cottonwood Canyon, Utah
American pika with mouthful of dried grass. Sequoia National Park, CA
Pika Ochotona sp. fossil distribution. Extinct pikas and Ochotona indet. are red, steppe pika O. pusilla blue, northern pika O. hyperborea green, other extant pikas black.[21][22][n 1]
Fossil occurrences of leporids and ochotonids and global environmental change (climate change, C3/C4 plants distribution).[21]
Walrus, labeled Ros marus piscis, is depicted in а 16th-century map of Scandinavia (the Carta Marina)
Photo of several walruses, with prominently displayed white pairs of tusks
Young male Pacific walruses on Cape Pierce in Alaska. Note the variation in the curvature and orientation of the tusks and the bumpy skin (bosses), typical of males.
Photo of walrus in ice-covered sea.
Walrus using its tusks to hang on a breathing hole in the ice near St. Lawrence Island, Bering Sea
Skeleton
Skull without tusk
Skull with tusks
Tooth
Photo of five walruses on rocky shore
Walruses fighting
A pup of walrus at Kamogawa Seaworld, Japan
Photo of walrus head in profile showing one eye, nose, tusks, and "mustache"
Vibrissae of captive walrus (Japan)
Photo of two walruses in shallow water facing shore
Walruses leaving the water
Hunter sitting on dozens of walruses killed for their tusks
Photo of section of tusk
Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses, on display in the Magadan Regional Museum, Magadan, Russia
Trained walrus in captivity at SeaWorld San Antonio
Walrus being fed at Skansen in Stockholm, Sweden, 1908
Photo of two masks: In the center is the image of a face, surrounded by a ring, in turn surrounded by eight white rectangular pieces.
Walrus ivory masks made by Yupik in Alaska
Drawing of walrus, and square-headed men, both perched on rocks, with ocean and cliffs in background
John Tenniel's illustration for Lewis Carroll's poem "The Walrus and the Carpenter"
Dutch explorers fight a walrus on the coast of Novya Zemlya, 1596
Walrus cows and yearlings (short tusks), photo courtesy USFWS
Euceratherium skeleton
This skull, in the collection of The Children's Museum of Indianapolis, displays the muskox's large horns.
Fossil Ovibos moschatus skull from prehistoric Siberia
Muskox family in east Greenland
Nunivak Island, Alaskan muskoxen in the 1930s, shown here in defensive formation
Muskox in Dovrefjell National Park, Norway
Dall sheep
Whitecoated pup
Harp seal mother nursing pup
Paro, a medical robot pet based on the harp seal
Pandora (1861) by Pierre Loison (1816–1886)
Jules Joseph Lefebvre: Pandora, 1882
Swedish soprano Christine Nilsson as Pandora by Alexandre Cabanel.[23] The Walters Art Museum.
John William Waterhouse: Pandora, 1896
Pandora trying to close the box she has opened. At left, the evils of the world taunt her as they escape. Engraving, based on a painting by F.S. Church.
A pithos from Crete, ca. 675 BC (Louvre Museum)
An Attic pyxis, 440–430 BC (British Museum)
Nicolas Régnier: Allegory of Vanity—Pandora, c. 1626. Régnier portrayed Pandora with a jar, not a box.
backflippers
Pup of ringed seal.
Preparation of the ringed seal
skin of the ringed seal.
Skeleton
Harbor seal tooth
Harbor seal skull and jaws
Harbor seal colony in Helgoland, Germany
Pup nursing at Point Lobos
Picea used in coat-of-arms of Kuhmo, Finland
P. glauca sapling, Kluane National Park, Canada
Immature P. mariana cones, Ouimet Canyon, Ontario, Canada
P. pungens cone and foliage
P. abies wood
Spruce (Picea mariana) essential oil in a clear glass vial
Foliage and cones
Seeds
White spruce taiga along the Denali Highway in the Alaska Range
A dwarf Alberta white spruce in Los Angeles County Arboretum and Botanic Garden
A dwarf Alberta spruce, with reversion in one branch
Black Hills spruce grown as bonsai
Needles and cones
Black spruce taiga, Copper River, Alaska.
Foliage, mature seed cone, and (center) old pollen cone
Sitka spruce forest in the Olympic Mountains, Washington
Felled Sitka spruce, Oregon Coast Range, 1918
Sitka spruce in the Hoh rain forest in Olympic National Park
End grain on P. sitchensis plank
Radially cut plank of P. sitchensis
Sitka spruce trees with burls, Olympic National Forest, Washington
Pine Forest in Vagamon, Southern Western Ghats, Kerala (India)
A Khasi pine in Benguet, Philippines
Huangshan pine (Pinus hwangshanensis), Anhui, China
Ancient Pinus longaeva, Nevada, USA
Bark chips
Illustration of needles, cones, and seeds of Scots pine (Pinus sylvestris)
A prescribed fire in a European black pine (Pinus nigra) woodland, Portugal
Logging Pinus ponderosa, Arizona, USA
Pinus sylvestris prepared for transport, Hungary
Pine cone
Tongue and groove solid pine flooring
Edible seeds of the Korean pine (Pinus koraiensis)
Foliage and cones
Large P. monticola
Western white pine in St. Joe National Forest. Died in 1998 and was cut down in 1999.
Populus
Male catkins of Populus × canadensis
Populus nigra in autumn
Leaves of Populus lasiocarpa
Fastigiate black poplar cultivar of the Plantierensis group, in Hungary
Poplars dominate the flora of Khorog City Park, Gorno-Badakhshan, Tajikistan
Popular Populus variety G48 in Punjab, India; Jhalli Farms Village Niara/Hoshiarpur
Traditional Pamiris house
Rotor poplar and willow cuttings planter, planting a new nursery of poplar for biomass with short rotation
Harbor seal swimming
Harbor seal in Svalbard
Old oak tree on the shore of Lake Koluvere, Estonia.
A hybrid white oak, possibly Quercus stellata × Q. muhlenbergii
Heart of oak beams of the frame of Saint-Girons church in Monein, France
Sherry maturing in oak barrels
A cross section of the trunk of a cork oak, Quercus suber
Oak forest in Estonia.
Oak on sandy earth.
Oak forest on the beach in Njivice, Croatia
Oak powdery mildew on pedunculate oak
Oak branches on the coat of arms of Estonia
Grīdnieku ancient oak in Rumbas parish, Latvia, girth 8.27m, 2015
Tamme-Lauri oak is the thickest and oldest tree in Estonia.
The Big Oak, by Gustave Courbet (1843).
Reindeer losing the velvet layer under which a new antler is growing, an annual process
Skull
Caribou licking salt from roadway in British Columbia
Swedish reindeer
The size of the antlers plays a significant role in establishing the hierarchy in the group.[13]
Swedish reindeer walking
Reindeer standing on snow to avoid blood-sucking insects.
Approximate range of caribou subspecies in North America. Overlap is possible for contiguous range. 1.R. t. caribou subdivided into ecotypes: woodland (boreal), woodland (migratory), woodland (montane), 2.R. t. dawsoni extinct 1907, 3. R. t. granti, 4.R. t. groenlandicus, 5. R. t. groenlandicus/pearyi 6. R. t. pearyi
Male Porcupine caribou R. t. granti in Alaska
The Beverly herd of barren-ground caribou, Thelon River, Nunavut.[14]
The Peary caribou is a relatively small and pale subspecies found in the tundra of far northern North America. Unsurprisingly, it is part of the group known as tundra reindeer.
Characteristically small and relatively short-legged reindeer from Svalbard
Svalbard reindeer (R. t. platyrhynchus)
Southernmost reindeer: South Georgian reindeer with velvet-covered antlers
Reindeer pulling a sled in Russia
Early 20th Century Inuit parka from caribou skin
A reindeer sled, Arkhangelsk, Russia. Late nineteenth-century photochrom
Milking reindeer in the 19th century
Tragelaphus or deer-goat
Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas lights
Municipalities in Lääne County
Koluvere castle in Lääne County.
Koluvere castle dating from the 13th century
North-west coast of Estonia near Nõva, Lääne county
Saiga antelope skull and taxidermy mount on display at the Museum of Osteology.
File:MSU V2P1a - Saiga tatarica carcass.png
Remains of male saiga killed by a pair of gray wolves at a waterhole. Chu river valley, Kazakhstan. 3 November 1955.
Saiga in West Kazakhstan. 2017
Stuffed saiga herd at The Museum of Zoology, St. Petersburg
Examples of Saiga Antelope Horn Products Seized by the Hong Kong Government
Shells of Scaphander lignarius with preserved soft parts inside
Jovian siliqua, c. 363
Constantine III (usurper)
Underside of S. droebacheinsis
S. droebachiensis righting itself
Cypress knees at low water, Wee Tee Lake, South Carolina
Fossil leaf of Taxodium dubium, 8 Mil. years old, Hambach lignite open pit mine, Germany
Bald cypress in Trap Pond State Park, Delaware
Bald cypress range
Bald cypress on the Texas side of Caddo Lake
Foliage in autumn just before shedding
Bald cypress swamp and Spanish moss at First Landing State Park in Virginia Beach, VA
A bald cypress in the Atchafalaya Basin of Louisiana
Bald cypress knees in duckweed
Bald cypress forest in winter, showing "knees" and (brown) high flood level, Lynches River, Johnsonville, South Carolina
Timber
The Roman diocese of Thraciae.
Personification of the province of Thrace from the Hadrianeum
Trichotropis bicarinata
Tsuga diversifolia foliage and cones in snow
Tsuga mertensiana foliage and cones
Tsuga canadensis boughs shedding older foliage in autumn
Tsuga (Tsuga canadensis) essential oil
Tsuga heterophylla
T. heterophylla often grows on coarse woody debris such as nurse logs and cut stumps
The ball-headed graft narvan elm, Ulmus minor 'Umbraculifera', cultivated in Persia and widely planted in central Asia.
Lafayette Street, Salem, Massachusetts: an example of the 'high-tunnelled effects' of Ulmus americana avenues once common in New England
Camperdown elm (Ulmus 'Camperdown'), cultivated in Prospect Park, Brooklyn, New York
An avenue of elm trees in Fitzroy Gardens, Melbourne
Elm wood
Elm in boat-building: John Constable, Boat-building near Flatford Mill, 1815 (landscape with hybrid elms Ulmus × hollandica[24])
English longbow of elm
Internal mill-wheel of elm, De Hoop mill, Oldebroek, Netherlands
Chinese Elm Ulmus parvifolia bonsai
Achilles and Scamander
Dryad
The Sibyl and Aeneas
Under the elm, Brighton, 2006
A rooted cutting of European White Elm (July)
Vaccinium oxycoccos, the common cranberry, one kind of cranberry
Harvest cranberries, New Jersey, United States
Developing inflorescences of Vitis vinifera
Vitis coignetiae with autumn leaves
Vitis for producing Sherry at Jerez
'Palatina', a German grape
Red fox
V. bengalensis's distribution
V. cana distribution
V. chama distribution
V. corsac distribution
V. ferrilata distribution
Vulpes lagopus distribution
V. macrotis distribution
V. pallida distribution
V. reuppellii distribution
V. velox distribution
V. vulpes distribution
V. zerda distribution
Comparative illustration of skulls of red fox (left) and Rüppell's fox (right): Note the more developed facial area of the former.
Skull of a northern fox
Skull of a southern grey desert fox
Red fox (left) and corsac fox (right) yawning
Various red fox colour mutations
White morph red foxes may be distinguished from Arctic foxes by their 25% greater size, longer muzzles, and longer, pointed ears.[25] This captive example shows the dark pigment of the eyes, nose, and lips that would not occur in an albino. Complete albinism in red foxes is rare and primarily occurs in southern forest zones. Typically, albinism is accompanied by deformations and usually develops in years of insufficient food.[26]
A pair of European red foxes at the British Wildlife Centre, Surrey, England
A pair of Cascade red foxes (V. v. cascadensis) mating
European red fox kit in Oxfordshire
Kits coming out of their den
Side and above view of a red fox den
A European red fox (V. vulpes crucigera) in an inquisitive posture
A European red fox (V. vulpes crucigera) in an alert posture
A pair of Wasatch mountain foxes (V. v. macroura) squabbling
Fox barks, UK, January 1977
Red fox with coypu.
Red fox confronting a grey fox
Golden eagle feeding on red fox
Fox challenging two badgers
A North American red fox
European red fox with mange
Reynard the Fox in an 1869 children's book
Nine-tailed fox, from the Qing edition of the Shan Hai Jing
Beagle and Fox (1885) by Bruno Liljefors
Red fox pelts
Carcass of a lamb near a fox den
Fox in a Birmingham garden investigates a rabbit hutch
Red fox in an urban environment
Red fox in central London
Eating from a bag of biscuits
"Fleet" the urban fox from the BBC's Winterwatch
A ground crab spider with earthy coloration
Roman empire under Hadrian (ruled 117–38), showing the imperial province of Thracia in southeastern Europe.
Map of the Poul Creek Formation in Alaska
Semibalanus balanoides
Magdalenian bison on plaque, 17,000–9,000 BC, Bédeilhac grottoe, Ariège
Bisons depicted at Cave of Altamira
Skulls of European bison (left) and American bison (right)
A group of images by Eadweard Muybridge, set to motion to illustrate the movement of the bison
A bison charges an elk at the Rocky Mountain Arsenal National Wildlife Refuge.
"Last of the Canadian Buffaloes", 1902, photograph: Steele and Company
A bison and an elk grazing together in the Yellowstone National Park.
Wolves hunting bison
Photo from the 1870s of a pile of American bison skulls waiting to be ground for fertilizer.
Fossil Branchioplax carmanahensis.
Artist's impression of a Beringian wolf
F1 wolf-dog hybrids from Wildlife Park Kadzidlowo, Poland. The first is the product of a male wolf and a female spaniel, while the latter comes from a female wolf and a male West Siberian Laika
Differences between gray wolf and coyote
Gray wolf skeleton
Wolf mandible diagram showing the names and positions of the teeth.
Black and white-furred gray wolves
Gray wolf pack
Gray wolves mating
Illustration of various gray wolf growth stages
American bison standing its ground, thereby increasing its chance of survival
Gray wolf trotting. The gray wolf generally places its hind paws in the tracks made by the front paws.[27]
Two gray wolves eating a white-tailed deer
Facial expressions (Konrad Lorenz, 1952). Bottom to top: increasing fear (ears back); left to right: increasing aggression (snarl); top right: maximum of both.
Gray wolf howling
Gray wolf marking its territory with urine
Gray wolf carrying caribou hindquarter, Denali National Park
Gray wolves attacking brown bear with cubs
Gray wolves confronting coyotes over pronghorn carcass (1919), Louis Agassiz Fuertes
Polychrome cave painting of a gray wolf, Font-de-Gaume, France
Last wolf to be killed in central Finland (Karstula, 1911)
Range of Canis lupus in Europe, based on Canis lupus European regional assessment, IUCN and Large Carnivore Initiative for Europe. Lime color stands for population lower than 800, while green is above 800.
European wolf in Bavarian Forest National Park, Germany
Indian Wolf at Velavadar (Blackbuck National Park, Gujarat)
Gray wolf near Ardahan, Turkey. Although Turkish wolves have no legal protection, they may number about 7000 individuals.[28]
Historical range of Subspecies of Canis lupus in North America
100 lb (45 kg) gray wolf killed in Montana, 1928. Before they were extirpated around 1930, Montana's wolves could be very large. Wolves recolonized the state from Canada beginning in the 1970s.
Captive Mexican gray wolf
Footage of a gray wolf taken from Abruzzo Natural Park showing advanced signs of canine distemper
Little Red Riding Hood (1883), Gustave Doré
Coat of arms of the Elvange family, featuring a wolf charge rampant
Waiting for a Chinook (c. 1900), Charles Marion Russell
Child snatched by a wolf (1914), Le Petit Journal
Carcasses of hunted wolves in Russia.
Gray wolves and coyotes used as draught animals in northern Ontario, 1923
Castalia
Bearded seal
Bearded seal pup
Cave art depicting a woolly mammoth and other animals, from the Rouffignac Cave, France
Model depicting the calf "Dima", Stuttgart
Copy of an interpretation of the "Adams mammoth" carcass from around 1800, with Johann Friedrich Blumenbach's handwriting
1930s illustration of the lectotype molars by Henry Fairfield Osborn. The left one is now lost.
Georges Cuvier's 1796 comparison between the mandible of a woolly mammoth (bottom left and top right) and an Indian elephant (top left and bottom right)
Cast of an intermediate form between M. trogontherii and M. primigenius; M. p. fraasi, Staatliches Museum für Naturkunde Stuttgart
Model at the Royal BC Museum
Fur in Naturhistorisches Museum, Vienna
Skeleton with asymmetrical tusks, Barcelona Mammoth Museum
Molar from Font de Champdamoy, France, Musée Georges-Garret
Mural depicting a herd walking near the Somme River, by Charles R. Knight, 1916, American Museum of Natural History
Lower leg and foot of the "Yukagir mammoth"
Replica of a ca. 26,000-year-old ivory carving depicting a mammoth, Krahuletz-Museum
The frozen calf "Lyuba" which still had food in its stomach, Royal BC Museum
Mandibles and lower molars, Barcelona
Cross sectioned tusk with growth rings
Head of the "Yukagir mammoth"; the trunk is not preserved
Skeletal diagram showing the size of the largest European specimen and a smaller Siberian specimen
Woolly mammoth carved in ivory, discovered by Édouard Lartet in 1864
Cro-Magnon artists painting mammoths in Font-de-Gaume, by Charles R. Knight, 1920
Reconstructed bone hut based on finds in Mezhyrich, exhibited in Japan
The Venus of Brassempouy, made from woolly mammoth ivory, National Archaeological Museum, France
Skull and jaw of the calf "Yuka", which may have been extracted from the carcass by prehistoric humans
16,500-year-old mammoth spear thrower from France, British Museum
Map showing climatic suitability for woolly mammoths in the Late Pleistocene and Holocene: red is increasing suitability, green is decreasing suitability. Black points are records of mammoths, black lines are the northern limit of humans
Skull discovered by fishermen in the North Sea, at Celtic and Prehistoric Museum, Ireland
Mounted "family group" from Russia
The "Adams mammoth" on exhibit in Vienna; skin can be seen on its head and feet
A third of this model is covered with the skin of the "Berezovka mammoth", Museum of Zoology, St. Petersburg
"Dima", a frozen calf about seven months old
Frozen calf nicknamed "Mascha"
The frozen calf "Yuka"
Model of an adult, Naturkundemuseum Stuttgart
A mammoth tusk with Inuit carvings of scenes on the Yukon River, 19th century, De Young Museum
Peter III of Russia carved in mammoth ivory
La fuite devant le mammouth, Paul Jamin, 1885
Marmota primigenia fossil
Boiled blue mussels in Normandy, France
Myrica
O. japonica, O. × intermedia, and O. lancea
Portunidae
Agriotherium
Tiger salamander (Ambystoma tigrinum)
Life cycle
Tiger salamander larvae
Front limb
An A. giganteus skull with chipped left canine and more severely damaged right canine. This chipping is not severe enough to be called a true break, which would be in excess of half of the canine
Pallid bat
Wingspan of the pallid bat
Restoration by Charles R. Knight, 1902
Camelops spine bone
68,000-year-old C. hesternus skeleton at the Waco Mammoth National Monument
Life reconstruction of C. hesternus
Clusters of staminate (male) flowers of C. africana, with 4 tepals and 4 stamens each
Leaf of C. occidentalis
Common beak (Libythea lepita) caterpillars feed on Celtis
Cuvieronius
Life restoration of Cuvieronius hyodon, based on specimens from Mexico
Tooth of Cuvieronius
Skull, University of California Museum of Paleontology
Skull
Foot bones
Tipton kangaroo rat (D. nitratoides nitratoides) at the California Living Museum in Bakersfield
Assemblage of bones, illustrated as discovery in situ, of Equus scotti
Artist's reconstruction of Hagerman horse (left) with Grevy's zebra (middle) and Domesticated horse (right).
Juvenile male – young males spend their first winters with their mothers.
E. d. dorsatum, resting in a tree, Ottawa, Ontario
Porcupines prior to mating. The female is higher in the tree.
Roadrunner
Roadrunner beak clatter
Greater roadrunner with a lizard
Greater roadrunners often become habituated to the presence of people.
Greater roadrunner warming itself in the sun, exposing the dark skin and feathers on its back.
Three views of the same specimen
Three views of the same specimen
Greater roadrunner
Greater roadrunner on the run
Glossotherium
G. robustum in Vienna
Juvenile G. robustum
H. serum size comparison
H. serum skull
A baculum from Indarctos arctoides.
Wild hare doe in city garden
Hare
Brooklyn Museum - California Hare - John J. Audubon
Cape hare Lepus capensis
European hare (above) and mountain hare
Young Hare, a watercolour, 1502, by Albrecht Dürer
Dreihasenfenster (Window of Three Hares) in Paderborn Cathedral
Early restoration by Lancelot Speed from 1905 depicting Machairodus with tiger-like markings
M. aphanistus skeleton from Cerro de los Batallones
Yellow-throated marten (Martes flavigula), Thailand
Megatylopus
"Ten" from the Gazu Hyakki Yagyō by Sekien Toriyama
Japanese weasel
Long-tailed weasel
Skulls of a long-tailed weasel (top), a stoat (bottom left) and least weasel (bottom right), as illustrated in Merriam's Synopsis of the Weasels of North America
Long-tailed weasel in winter fur attacking a quail, as illustrated in Popular Science Monthly
Nothrotherium
Skin
A muskrat skull
A muskrat eating a plant, showing the long claws used for digging burrows
A muskrat push-up
Muskrat swimming, Rideau River, Ottawa
Muskrat fur coat
Muskrat trap in the Netherlands
A juvenile (lamb)
Bighorn rams
A bighorn ram following a juvenile ewe
Skull
A petroglyph of a caravan of bighorn sheep near Moab, Utah, United States, a common theme in glyphs from the desert southwest
Bighorn sheep
Rhynchotherium
Southern Spadefoot toad, Florida-adult
Rear foot of a Couch's Spadefoot, Scaphiopus couchii demonstrating the "spade" that gives them their name
Sciurus granatensis
Ponderosa pine groove
Ponderosa pine foliage and cones
Abert's squirrel collecting nesting material
View of an Abert's squirrel showing rusty/reddish stripe on back.
Sciurus aberti ferreus: foothills west of Denver
Abert's squirrel eating a ponderosa pinecone
Alarm call
Stenomylus hitchcocki
S. conklingi skull
Male desert cottontail at 8 weeks, and the same specimen at 16 months of age
Submissive posture anticipating food
California High Desert cottontail on alert for predators
Mother and juvenile
Adult female American badger (sow)
American badger
American Badger Skull
A paw with long and sharp claw of American badger. American badger can dig the ground with this claw.
American badger at Omaha's Henry Doorly Zoo
Badgers can be found in the sagebrush deserts of eastern Oregon.
Dentition, as illustrated in Knight's Sketches in Natural History
Terrapene carolina carolina (young)
T.c.bauri hatchling
Rings on the scutes of T.c.triunguis. Rings can be used to estimate the age of box turtles in their early years.
Distribution map
Distribution of the four species of Terrapene
Drake of the ring-necked duck (A. collaris) in alternate plumage. Note black wings.
Dressel 1B type amphora
Key : 1 : rim - 2 : neck - 3 : handle - 4 : shoulder - 5 : belly or body - 6 : foot
Chinese celadon vase in form similar to an amphora, Song or Yuan Dynasty
Large late Geometric Attic amphora, c. 725–700 BC
Panathenaic prize amphora for runners, c. 530 BC
A Greek glass amphora, 2nd half of the 2nd century BC, from Olbia, Roman-era Sardinia, now in the Altes Museum
Skull of a North American Beaver found on San Francisco Bay shore
Beaver lodge, Ontario, Canada
Beaver dam, northern California, USA
Beavers use rocks for their dams when mud and branches are less available as seen on Bear Creek, a tributary to the Truckee River, in Alpine Meadows, California.
C. c. canadensis, feeding in winter
Brooklyn Museum – American Beaver – John J. Audubon
Skulls of a European and Canadian beaver.
Canada goose nest on beaver lodge
Salmon (Oncorhynchus nerka) jumping beaver dam
Tree felled by beaver (C. c. canadensis), diameter 20 cm
Beaver before being drowned by trapper's snare in Lincoln Park, Chicago 2008
After trapping, beaver lodge reappears in Lincoln Park, Chicago, fall, 2009
Beaver damage on the north shore of Robalo Lake, Navarino Island, Chile
Beaver sculpture over entrance to Canadian Parliament Building
Known watershed locations of Catostomus commersonii
Shells of Cochlicopa lubrica
Columella
Statue of Columella, holding a sickle and an ox-yoke, in the Plaza de las Flores, Cádiz
De re rustica, 1564
Modern copy of the Diskophoros, attributed to Alkamenes
Discus-thrower, tondo of a kylix by the Kleomelos Painter, Louvre Museum
Modern copy of Myron's Discobolus in University of Copenhagen Botanical Garden, Denmark
Rutger Smith in phases of the discus throw
Robert Garrett at the 1896 Summer Olympics
Gerd Kanter in Osaka
A young E. lucius specimen—a "Chain pickerel" in the original sense—in an aquarium.
Pike in Haus des Meeres, Vienna
Sign on the River Shannon, Ireland
A caught pike
Fossil Esox
Uusikaupunki coat of arms
The canting arms of Lucie de Cockermouth: Gules, three lucies in pale argent, (2 and 1).
Coat of arms of Gimte, in Lower Saxony, Germany.
Northern pike in the Aquarium Dubuisson [fr]
Esox lucius skull
Northern pike in public aquarium in Kotka, Finland
Northern pike in the Straussee at Strausberg
Drawing of northern pike
Prague Vltava fish exhibition
E. lucius caught and released by an angler in lake Finzula, Croatia
Northern pike caught with a fishing lure in Belgium
European ash in flower
Narrow-leafed ash (Fraxinus angustifolia) shoot with leaves
Canker on an ash tree in North Ayrshire, Scotland
Emerald ash borer
Whooping crane in flight
Whooping cranes breed in marshes.
At Calgary Zoo, Alberta, Canada
Young whooping cranes completing their first migration, from Wisconsin to Florida, in January 2009, following an ultralight aircraft. This procedure is carried out by Operation Migration.
In 1957, the whooping crane was featured on a U.S. postage stamp supporting wildlife conservation.
Walnut is one of the main ingredients of Baklava and Turkish cuisine.
Persian walnut (Juglans regia) seeds
The shells of walnuts
Staining from handling walnuts with husks
Walnut shoot cut longitudinally to show chambered pith, scale in mm
Walnut tree in a garden
Japanese walnut foliage and nuts
Tamarack larch foliage and cones in August. The lighter brown cones are from the current season; the darker brown cones are mature cones from previous seasons.
Tamarack sapling in a sphagnum bog
Young tree with fall colors
Larix laricina bonsai
Lycopodium
A shell of Lymnaea stagnalis
The dissected central ring ganglia of Lymnaea stagnalis. Scale bar is 1 mm.
LBuG and RBuG: left and right buccal ganglia
LCeG and RCeG: left and right cerebral ganglia
LPeG and RPeG: left and right pedal ganglia
LPIG and RPIG: left and right pleural ganglia
LPaG and RPaG: left and right parietal ganglia
VG: visceral ganglion.
Lymnaea stagnalis in typical mating position of this species. The top snail is performing the male role (sperm donor), its white preputium (penis-carrying organ, Pp) can be seen inserted under the shell of the sperm recipient, where the female opening is located. During insemination, sperm (from the seminal vesicles) and seminal fluids (from the prostate gland) are transferred. Since these are simultaneous hermaphrodites, sexual roles can be swapped immediately afterwards.[29]
Eggs of Lymnaea stagnalis
Pediastrum boryanum
Shell of Physella acuta.
Drawing of the right valve external view of Pisidium moitessierianum
Drawing of the right valve internal view ofPisidium moitessierianum
Drawing of the right valve lateral view of Pisidium moitessierianum
Platygonus compressus skeleton
Platygonus compressus skeleton.
Platygonus compressus skull in The Children’s Museum of Indianapolis
Platygonus compressus skull
Sori on outer edge under the leaves
Young bracken fronds curled
Bracken in Ireland with a linear pattern running across the hillside, a possible indication of past cultivation.
At the base of the petiole a pair of stipules form. These may fall in spring, or last for much of the summer or even for more than one year (marcescence).
Young male catkin
A Weeping Willow, an example of a hybrid between two types of willow
Knotted willow and woodpile in the Bourgoyen-Ossemeersen, Ghent, Belgium
Male catkin of Salix cinerea with bee
Willow tree in spring, England
Willow tree with woodbine honeysuckle
The willow tree as seen as the main part of an heraldic escutcheon over the main portal of a patrician house belonging to the Salis family in Chur, Switzerland, circa 1750
Environmental art installation "Sandworm" in the Wenduine Dunes, Belgium, made entirely out of willow
Curled up Selaginella tamariscina
Wallace's Selaginella (Selaginella wallacei)
Selaginella selaginoides
Selaginella willdenowii is known for its iridescent colours
Red sphagnum closeup
Sphagnum with Northern Pitcher Plants (Sarracenia purpurea) at Brown's Lake Bog, Ohio.
Peat moss soil amendment, made of partly decayed, dried sphagnum moss.
Mer Bleue Conservation Area, a large, protected Sphagnum bog near Ottawa, Ontario, Canada
Thuja
Foliage of the cultivar 'Rheingold'
T. plicata bark, foliage
Old growth T. plicata, Olympic Peninsula, USA
Thuja occidentalis cultivar 'EuropeGold'
Lime nail galls, caused by the mite Eriophyes tiliae
Leaves and trunk
T. johnsoni leaf fossil, 49 Ma, Washington, USA
Bombus terrestris on Tilia cordata
Limewood Saint George by Tilman Riemenschneider, circa 1490
Bole of an ancient Tilia at Frankenbrunn, Bavaria
Ancient lime tree at Chilston Park, England
Avenue of lime trees at Turville Heath
15-year-old lime-tree, Haute-Savoie, France
Typha
Typha in art. Bruno Piglhein, Hirtenknabe ("Shepherd Boy").
A shell of Vallonia pulchella
Two views of the type specimen of Valvata oregonensis. Width: 8.0 mm, height: 5.0 mm.
Side view of the shell of Valvata sincera
Vertigo
Vertigo alpestris
A Jumping Mouse of Canada (1797), by Thomas Davies
Incisors at the front, followed by canines, followed by premolars, followed by molars at the back
Key features of a wolf skull and dentition
Nibbling by the incisors at the front of the mouth, next the canines for seizing, next the premolars for chewing, next the carnassials and molars for cutting and cracking
Dentition of an Ice Age wolf
Timeline of canids with Canis armbrusteri in red. (Tedford & Wang)
Display at the Page Museum of 404 dire wolf skulls found in the La Brea Tar Pits[30]
Painting of five dire wolves
Restoration of a pack in Rancho La Brea by Charles R. Knight, 1922[31]
Sketch
Two dire wolves and a saber-toothed cat (Smilodon) with the carcass of a Columbian mammoth at the La Brea tar pits by R. Bruce Horsfall[32]
Three views of the skull from the side, above, and underneath
Skull of the dire wolf[33]
Baculum bone is very long
Skeleton from the La Brea Tar Pits mounted in running pose. Note the baculum between the rear legs.
The teeth are very large in comparison to the modern wolf.
Dire wolf skull and neck
Mounted skeletons of Smilodon and dire wolf near ground sloth bones
Map of US states shaded gray where Canis dirus remains have been found
Closeup of a mountain coyote's (C. l. lestes) head
Toltec pictograph of coyote.
Skeleton of Pleistocene coyote (C. l. orcutti)
Melanistic coyotes owe their color to a mutation that first arose in domestic dogs.[34]
Coywolf hybrid conceived in captivity between a male gray wolf and a female coyote
Mearns' coyote (C. l. mearnsi) pups playing
A pack of coyotes in Yellowstone National Park
A coyote howling
Urban coyote in Bernal Heights, San Francisco
A Sonoran Desert coyote at the Sonora Desert Museum in Tucson Arizona
Comparative illustration of coyote and gray wolf
Mountain coyotes (C. l. lestes) cornering a juvenile cougar
Range of coyote subspecies as of 1978, (1) Mexican coyote, (2) San Pedro Martir coyote, (3) Salvador coyote, (4) southeastern coyote, (5) Belize coyote, (6) Honduras coyote, (7) Durango coyote, (8) northern coyote, (9) Tiburón Island coyote, (10) plains coyote, (11) mountain coyote, (12) Mearns' coyote, (13) Lower Rio Grande coyote, (14) California valley coyote, (15) peninsula coyote, (16) Texas plains coyote, (17) northeastern coyote, (18) northwest coast coyote, (19) Colima coyote, (20) eastern coyote[35]
California valley coyote (C. l. ochropus) suffering from sarcoptic mange
Spirit shield fashioned from coyote skull and crow feathers
Mural from Atetelco, Teotihuacán depicting coyote warriors.
A sign discouraging people from feeding coyotes, which can lead to them habituating themselves to human presence, thus increasing the likelihood of attacks
Coyote confronting a dog
Coyote with a typical throat hold on domestic sheep
Fur of a Canadian coyote
C. lunensis skull
Video of captive maned wolves at Ueno Zoo, in Japan
Drawing of the skull of a maned wolf
A maned wolf and pup at White Oak Conservation
Maned wolf pup
Two cladograms proposed for Panthera. The upper cladogram is based on the 2006 and 2009 studies, while the other is based on the 2010 and 2011 studies.
Range map showing lion subspecies that were considered valid in the late 20th century
Cave lions in the Chauvet Cave, France
A cylinder seal from Elam (now Iran) featuring an Elamite adaptation of the Babylonian theme of the lion hunt. 800–600 BC. Underbelly hair is visible. Now at the Walters Art Museum.
Video of lioness and her cubs in the wild, South Africa
A skeletal mount of an African lion attacking a common eland on display at The Museum of Osteology, Oklahoma City, Oklahoma.
During agonistic confrontations with other lions, the mane makes the lion appear larger
White lions owe their colouring to a recessive allele
Adult male lion stretching in Etosha National Park, Namibia
Lion attacked by spotted hyenas in Sabi Sand Game Reserve, South Africa
Lioness stealing a kill from an African leopard in Kruger National Park, South Africa
The Tsavo Man-Eaters on display in the Field Museum of Natural History in Chicago, Illinois, the United States of America
Lions mating at Masai Mara
Namibian lioness with cub. Mothers do most of the parental care.
Captive Kruger lion showing advanced signs of bovine tuberculosis
East African lions seeking refuge from flies by climbing a tree near Lake Nakuru
Head rubbing and licking are common social behaviours within a pride
The maximal range of lions in the past – red indicates Panthera spelaea, blue Panthera atrox, and green Panthera leo leo/Panthera leo persica.
Two male, captive Asiatic lions in Sanjay Gandhi National Park, Mumbai. The wild population of the endangered Asiatic lions is restricted to the Gir Forest National Park and its vicinity in western India.[36]
The Asiatic lion, whose habitat once ranged from the Mediterranean to north-west Indian subcontinent, is today found only in and around the Gir Forest of Gujarat, India. It was estimated that 650 Asiatic lions survive in the wild.[37][38]
Black maned male lion, shot in the Sotik Plains, Kenya (May 1909)
Lion cubs at Clifton Zoological Gardens, England, 1854
Male lion from Transvaal
Albrecht Dürer, lions sketch. (c. 1520)
Lion at Melbourne Zoo enjoying an elevated grassy area with some tree shelter
Nineteenth-century etching of a lion tamer in a cage of lions and tigers
Georgian lion from Colchis
A lion depicted on a decorative panel from Darius I the Great's palace of the Persian Empire (550–330 BC).
A lion carving in Mahabalipuram, Tamil Nadu, India (UNESCO World Heritage Site)
Daniel in the lions' den is an account in Daniel 6 in the Bible
A Chinese guardian lion outside Yonghe Temple, Beijing
Detail of the Karamon of Nishi Hongan-ji in Kyoto; Momoyama period; National Treasure
Depiction of Goddess Durga, her mount is a lion
Lion in Museum
Skeleton from the La Brea Tar Pits
Skull
Pituophis melanoleucus mugitus, Florida pine snake
Florida pine snake close up of head
Florida pine snake with a light pattern
Florida pine snake
Ptinus
Ptinus plagiatus
A swift fox napping during the day in a zoo.
Arius
The Council of Nicaea, with Arius depicted beneath the feet of the Emperor Constantine and the bishops
Constantine I burning Arian books, illustration from a book of canon law, ca. 825
The Arian Baptistry erected by Ostrogothic king Theodoric the Great in Ravenna, Italy, around 500
Ceiling Mosaic of the Arian Baptistry, in Ravenna, Italy, depicting the Father, Son, and Holy Ghost present, with John the Baptist
The rattle of a Western Diamondback Rattlesnake (notice the black and white coloring on the lower right)
Occurrences of Iridomyrmex species reported in Australia as of May 2015
Meat ant mound near Bungendore, New South Wales
While most Iridomyrmex species are notable for their aggression, some are quite timid. This worker is moving pupae to a safer location instead of attacking intruders after the nest was exposed.
Iridomyrmex with a captured termite
Meat eater ant nest during swarming
Fertilised meat-eater ant queen beginning to dig a new colony
I. rufoniger worker tending to a scale insect
Artistic depiction of an Antelope Jackrabbit
A groundhog burrow hole showing size.
An adult female groundhog walking through snow in March
A groundhog has climbed up to reach water in a bird bath.
Juvenile groundhog siblings on a morning in early June.
Mated groundhogs in March. Female on the left, male on the right.
Juvenile groundhog siblings play-fighting
Groundhog prepares to feast on an acorn
Emerged from hibernation in February, groundhog takes leaves to line the burrow nest or toilet chamber.
Groundhogs can climb trees to escape predators
Motionless individual, alert to danger, will whistle when alarmed to warn other groundhogs
A groundhog mother and her cubs (kits) in a suburban yard
Skeleton on exhibit at The Museum of Osteology, Oklahoma City, Oklahoma
Striped skunk pair
Skunk in Guelph, Ontario, Canada
Striped skunk peltries.
Skulls of a long-tailed weasel (top), a stoat (bottom left) and least weasel (bottom right), as illustrated in Merriam's Synopsis of the Weasels of North America
Stoat (left) and least weasel (right) pelts—note the stoat's larger size and black tail-tip
Skeleton
A stoat in winter fur
Young stoat
Stoat killing a European rabbit
Stoat surplus killing a family of chipmunks, as illustrated by Ernest Thompson Seton
Leonardo da Vinci's Lady with an Ermine (1489–1490).
Skeleton of an American mink from the Muséum national d'histoire naturelle
File:MSU V2P1b - Mustela vison skull.png
Skull, as illustrated by N. N. Kondakov.
American mink with porcupine quills in its face. Yarmouth, NS
American mink paws, as illustrated by Ernest Thompson Seton
A southern mink (N. v. vulgivagus) in a threatening posture
American mink emerges from a pond.
American mink in a burrow
American mink kits
American mink with fish, in Norway
An American mink in Lithuania's Kėdainiai district
Illustration of an American mink approaching a board or log trap
Various American mink colour mutations
Mink as pet
The mask of a raccoon is often interrupted by a brown-black streak that extends from forehead to nose.[39]
A Torch Key raccoon (P. l. incautus) in Cudjoe Key, Florida. Subspecies inhabiting the Florida Keys are characterized by their small size and very pale fur.
Skull with dentition: 2/2 molars, 4/4 premolars, 1/1 canines, 3/3 incisors
Skeleton
Baculum or penis bone
Lower side of front paw with visible vibrissae on the tips of the digits
Eastern raccoons (P. l. lotor) in a tree: The raccoon's social structure is grouped into what Ulf Hohmann calls a "three class society".
On an apple tree
Captive raccoons often douse their food before eating.
An eastern raccoon (P. l. lotor) kit
Young Florida raccoon (P. l. elucus) crossing a road
Mississippi Delta raccoon (P. l. megaloudus) searching for food on a lake shore
An albino Florida raccoon (P. l. elucus) in Virginia Key, Florida
Distribution in Germany: Raccoons killed or found dead by hunters in the hunting years 2000–2001, 2001–2002 and 2002–2003 in the administrative districts of Germany
On the roof of a house in Albertshausen, Germany
Raccoon roundworm Baylisascaris procyonis larvae
A skunk and a California raccoon (P. s. psora) share cat food morsels in a Hollywood, California, back yard
A Florida raccoon (P. l. elucus) in the Florida Everglades approaches a group of humans, hoping to be fed.
Stylized raccoon skin as depicted on the Raccoon Priests Gorget found at Spiro Mounds
Coonskin cap
Automobile coat made out of raccoon fur (1906, U.S.)
Pen with climbing facilities, hiding places, and a watering hole (lower-left-side)
File:Waschbär - Common raccoon (32019008882).jpg
Raccoon model, Natural History Museum, London
Molehill
Linnaeus
Cutworm
Common earthworm
Winter coat, Ottawa, Ontario
In nest, under production
Litter and nesting material
Three-week-old kit
Juvenile, unknown age, showing white blaze on forehead
Common and Eurasian pygmy shrews (genus Sorex), size comparison
Thirteen-lined ground squirrel
Front view, Gatineau Park, Quebec
Eating nut, in Edmonton, Alberta, 2013
Red squirrel swimming
Gray fox kit at the Palo Alto Baylands in California
A yawning gray fox, northern Florida
Gray fox, showing black tail stripe, Sierra Nevada
Gray fox skull
Acalypha capitata
Acalypha fruticosa
Acalypha cuneata
Acalypha indica
Acar
Acar (left) served with sambal, the common condiments in Indonesia.
Shikra (A. badius) with a garden lizard (Calotes sp.) in Hyderabad, India
Brown goshawk (A. fasciatus), Kurwongbah (Queensland, Australia)
Drawing of A. dolichonema
Segesta
The Greek theatre
Segesta Temple in Thomas Cole´s picture from 1843
Green sturgeon
Water diversion is one of the factors affecting conservation efforts for the green sturgeon.
The Rheinwaldhorn (left) seen from south of Vals
The ascent by Placidus a Spescha
The Rheinwaldhorn seen from the Paradies Glacier
Out of the water
Aesop
A woodcut from La vida del Ysopet con sus fabulas historiadas (Spain, 1489) depicting a hunchbacked Aesop surrounded by events from the stories in Planudes' version of his life
Aesop as depicted by Francis Barlow in the 1687 edition of Aesop's Fables with His Life
Example of a coin image from ancient Delphi thought by one antiquarian to represent Aesop.
Aesop shown in Japanese dress in a 1659 edition of the fables from Kyoto
Portrait of Aesop by Velázquez in the Prado.
The beautiful Rhodope, in love with Aesop; engraving by Bartolozzi, 1782, after Kauffman's original
Current accepted taxonomy of the Alcidae with Aethia shown in blue. Modified from Friesen et al. 1996. Mol. Biol. Evol. 13, 359-367.
Ailanthus altissima, male flowers
A burrowing owl on the lookout
A family of burrowing owls.
A burrowing owl makes a home out of a buried piece of pipe.
A. c. floridana by its burrow in Florida
Common thresher
Early illustration of a common thresher from Natural History of Victoria (1881).
Teeth
The common thresher is often hooked by the tail, because it uses its long caudal fin to attack prey.
Embryos of the common thresher are nourished by eggs during development.
A common thresher hooked on a longline; this shark is taken commercially by many countries.
NOAA researchers tagging a common thresher; such efforts are critical for developing conservation measures.
Antigone by Nikiforos Lytras (1865)
File:Oedipe et Antigone by Johann Peter Krafft (1809).png
Oedipe et Antigone by Johann Peter Krafft (1809)
Antigone by Frederic Leighton, 1882
Head of an adult male
Profile of an adult male
Pronghorns in Fort Rock, Oregon
Pronghorn herd, Yellowstone National Park
Herd of pronghorns
Fawn (juvenile) in New Mexico
Doe with fawns about an hour old, near Fort Davis, Texas, 1947, photo by Smithsonian zoologist Helmut Buechner
Pronghorns in Montana
Male adult pronghorn in Yellowstone National Park
Amelanchier alnifolia
Fruit and leaves of Amelanchier ovalis
Florida scrub jay, Aphelocoma coerulescens
Juvenile Florida scrub jay at Blue Spring State Park, Florida
California scrub jay
Juvenile in California, USA
"California" scrub jay (Aphelocoma californica immanis), showing the well-marked breast band of the coastal races. Acorns are a typical food.
"California" scrub jay fledgling being fed by a relative.
"California" scrub jay in flight in Ben Lomond, Santa Cruz County, California
Benzene
Nitration of salicylic acid
Nitration of salicylic acid
Coupling reaction
Coupling reaction
1-naphthol hydrogenation
1-naphthol hydrogenation
Resorcinol hydrogenation
Resorcinol hydrogenation
An illustration of typical polycyclic aromatic hydrocarbons. Clockwise from top left: benz(e)acephenanthrylene, pyrene and dibenz(ah)anthracene.
Male in winter plumage in New Jersey, USA
Female and ducklings
Northern shoveler
Female stretching after bathing in Kolkata
In flight
Large groups of northern shovelers swim rapidly in circles to collect food from the surface by creating a funnel effect.
Eggs, Collection Museum Wiesbaden
Athena
Marble Greek copy signed "Antiokhos", a 1st-century BC variant of Phidias' 5th century Athena Promachos that stood on the Acropolis
Athenian tetradrachm representing the goddess Athena
A new peplos was woven for Athena and ceremonially brought to dress her cult image (British Museum).
Athena depicted on a coin of Attalus I, ruler of Pergamon, c. 200 BC
This dedication from the temple of Athena Polias in Priene, currently held in the British Museum reads: "King Alexander dedicated [this temple] to Athena Polias."[40]
Dedication of Alexander the Great to Athena Polias at Priene. British Museum
The owl of Athena, surrounded by an olive wreath. Reverse of an Athenian silver tetradrachm, c. 175 BC
Athena is "born" from Zeus's forehead as a result of him having swallowed her mother Metis, as he grasps the clothing of Eileithyia on the right; black-figured amphora, 550–525 BC, Louvre.
Atena farnese, Roman copy of a Greek original from Phidias' circle, c. 430 AD, Museo Archeologico, Naples
The Parthenon on the Athenian Acropolis, which is dedicated to Athena Parthenos[41]
The Athena Giustiniani, a Roman copy of a Greek statue of Pallas Athena with her serpent, Erichthonius
Classical Greek depiction of Medusa from the fourth century BC
The Dispute of Minerva and Neptune by René-Antoine Houasse (c. 1689 or 1706)
Ancient Greek mosaic from Antioch dating to the second century AD, depicting the Judgement of Paris
Minerva and Arachne by René-Antoine Houasse (1706)
Restoration of the polychrome decoration of the Athena statue from the Aphaea temple at Aegina, c. 490 BC (from the exposition "Bunte Götter" by the Munich Glyptothek)
Minerva and the Triumph of Jupiter by René-Antoine Houasse (1706)
Statue of Pallas Athena in front of the Austrian Parliament Building. Athena has been used throughout western history as a symbol of freedom and democracy.[42]
Long-eared owl at Seedskadee National Wildlife Refuge (Wyoming)
Close-up of the head.
Eggs, Collection Museum Wiesbaden
Greater white-fronted geese, Texel Netherlands (2013)
Anser albifrons – Greater White-fronted Goose – XC96532
Egg, Collection Museum Wiesbaden
Golden eagle
Subadult, note white in tail and dark neck
The formidable foot and talons of a golden eagle
Calls of a Golden Eagle, recorded at Kinlochewe, Scotland, July 1969
Golden eagle flying in dihedral with food
Golden eagles are readily distinguished by their brown plumage, paler than most other Aquila, and pale nape patch
Close-up of head
A captive Aquila chrysaetos canadensis shows the typical rusty coloration of the race.
Beinn Mhor on the Isle of Mull, Scotland is typical golden eagle habitat: rugged and mountainous.
In Spain, golden eagles such as this one in the Province of Ávila are sedentary.
Two golden eagles in an aerial conflict over their home ranges, the upper bird clearly a juvenile.
Eyrie (in hollow at left center) in the Valley of the Siagne de la Pare, Alpes-Maritimes, France
1870s illustration of burkut falconers in Kazakhstan
In flight in Czech Republic
Mountain beaver
Mountain beaver burrow
Immature mountain beaver
Amphicyon range based on fossil finds
A. major jaw
Jaws, Paläontologische Museum München
Anadara satowi's fossil in Prefectural Museum of Natural History
Anadara valve interior showing taxodont dentition; Pliocene of Cyprus.
Female plant of A. vaginatum susbp. cryptopodum on Ponderosa pine.
Arbutus menziesii lignotuber near ground level provides fire-resistant storage of energy and sprouting buds if fire damage requires replacement of the trunk or limbs. Note the typically smooth orange bark on the upper portion of the trunk.
The bear and the tree at Puerta del Sol, Madrid
Arctostaphylos
Common Bearberry Arctostaphylos uva-ursi
A manzanita (Arctostaphylos sp.)
Black turnstone
An old empty shell of Megastraea undosa, wedged under a rock and covered in the pink coralline alga Lithothamnion, which has cemented it to the subtrate.
Eating a small fish, the main prey
On a slow-flying glide
At the nest
Albireo A and B (Hunter Wilson)
Description of arm’s section of starfish genus Astropecten.
1- papulas: they are soft and retractable appendages with respiratory functions 2- paxilla 3- superomarginal spines 4- superomarginal plates 5- scales and small spines covering the vertical face of superomarginal plates 6- ambulacral plates 7- adambulacral plates 8- inferomarginal plates 9- inferomarginal spines 10- pedicellaria: special pedicels with prehensile termination necessary to grab bodies and detritus 11- external adambulacral spines 12- median adambulacral spines 13- internal adambulacral spines 14- ambulacral pedicellaria
Ossicles of an Astropecten irregularis.
Ossicles of an Astropecten jonstoni.
Flat ossicles of an Astropecten platyacanthus.
Fossil flipper
Surfacing in the Kenai Fjords, Alaska
Fossil of Balaenoptera acutorostrata cuvieri from Pliocene of Italy
Taxonomy diagram
A cladogram of animals related to the fin whale
Fin whale skeleton
Fin whales often travel in pairs.
A fin whale in the Gulf of St. Lawrence, showing characteristic backswept dorsal fin
Fin whale arching for a deep dive
Porcupine Seabight, South West Ireland
Fin whale showing colouring on right side
Porcupine Seabight, South West Ireland, showing chevrons
Aerial view of a fin whale, showing V-shaped chevron
A frontal view of a fin whale, showing asymmetrical colouration
Photo of stamp displaying diving whale with bent tail with Faroyar printed across the top and Nebbafiskur and Baelaenoptera physalus in successively smaller print at bottom
Drawing of a fin whale on a Faroese stamp, issued 17 September 2001
Fin whale and a boat in the Strait of Gibraltar.
Finback Whale Skull, San Diego Natural History Museum
Photo of whale at surface
Overhead view of a fin whale feeding
Fin whale lunge feeding at the surface
Fin whale being flensed at the Hvalfjörður whaling station in Iceland, showing the baleen bristles used to filter prey organisms
The whaling historian Sigurd Risting sitting on the baleen bristles of a fin whale landed at a whaling station in the Shetland Islands (1912)
Photo of whale on flensing platform with man standing in its opened mouth
A 65-long-ton (66 t), 72 ft (22 m) fin whale caught at Grays Harbor circa 1912
"The Finback" (Balaenoptera velifera, Cope) from Charles Melville Scammon's Marine Mammals of the North-western coast of North America (1874)
An 18.8 m (62 ft) fin whale skeleton at the Oceanographic Museum in Monaco
People in a zodiac watching several Fin whales off Tadoussac
A immature fin whale in distress off national park of Caesarea Maritima
Fossil skull and mandibles of Balaenula astensis from Portacomaro (Asti)
Bankia's operational headquarters in Puerta de Europa Tower in Madrid
Barbourofelis
Ringtail in Phoenix, Arizona
Ringtail in Phoenix, Arizona
A male big skate resting on the sea floor off Mt. Pinos
The egg capsule ("mermaid's purse") of a big skate
Black brant
Buboes on the leg, caused by bubonic plague.
Owl showing much of its camouflage pattern/color
The eyes of great horned owls are amongst the largest of terrestrial vertebrates.
Talons, legs and feet Great, Horned Owl (Canada)
Illustrated comparison of a great horned owl, left, to its closest North American cousin, the snowy owl
Great horned owl perched on the top of a Joshua Tree in Landers, California
Coastal great horned owl (B. v. saturatus) at Grouse Mountain (Vancouver, BC)
South American great horned owl (B. v. nacurutu) with its notably dark eyes
Northern great horned owl (B. v. subarcticus) in Manitoba
Californian great horned owl (B. v. pacificus) stretching, Bernal Hill Park, San Francisco
Desert great horned owl, (wet feathered) Bubo virginianus pallescens waiting out a rainstorm in the Mojave desert
A great horned owl with its eyes closed
Composite photo of great horned owl flight phases
Great horned owls are typically sluggish and passive but aware during daytime.
Closeup of great horned owl toes and talons
Painting by Louis Agassiz Fuertes depicting a great horned owl with one of its primary prey species, a snowshoe hare
A surprisingly large portion of the great horned owl's food consists of small rodents, such as white-footed mice.
Black-tailed jackrabbits are an important food source for western great horned owls.
American coots are often a favored food source for great horned owls living near wetlands.
An immature red-tailed hawk eats a vole, one of the many prey items that feed both the competing hawks and great horned owls.
A juvenile red-tailed hawk eating a California vole
Nestlings of the Rocky Mountains great horned owl (B. v. pinorum) in New Mexico
Juveniles (B. v. saturatus) near Tule Lake National Wildlife Refuge, Oregon, United States
A brooding female great horned owl (B. v. virginianus) on her nest in Louisiana
Great horned owls (B. v. virginianus) in nest near Madison, Wisconsin
Male flying in California
Leaves of Sideroxylon marmulano
File:Bursa
Bursa
A view of Bursa in the 1890s
A view of Bursa in 2013
Kent Meydanı AVM shopping centre
The glass pyramid entrance of Zafer Plaza AVM shopping centre
Uludağ University
Interior of the Ulu Cami (Grand Mosque), showing the fountain (şadırvan) for ritual ablutions.
Bursa Atatürk Museum
Characteristic red tail
Red-tailed hawk
In flight showing the red tail
Red-tailed hawk hovers in the wind
A juvenile red-tailed hawk
Red-tailed hawks engaging in an inflight battle over prey. Painted by John James Audubon.
Red-tailed hawk eating a rodent
Juvenile eating a squirrel
Territorial adult chasing away an immature red-tailed hawk
Parent in nest with chicks
Red-tailed hawk in Oregon
Swainson's hawk
Swainson's hawk migration route.
30 birds were fitted with satellite tracking devices to produce this map
Soaring light-morph adult
Grasshopper, a favorite food of Swainson's hawk
A Swainson's hawk chick
Juvenile Swainson's hawk
Injured light-morph Swainson's hawk recuperating in Boise Zoo
Snake River Birds of Prey National Conservation Area
Ileocecal junction (Cecum appear in orange color)
Gastric cecum of dissected cockroach. Scale bar, 2 mm.
Sanderlings at Ocean Beach, San Francisco
Sanderling at High Island, Texas
at kutch
Two individuals of Calliostoma annulatum are visible on this hydrocoral
Calliostoma canaliculatum
A living specimen of Calliostoma canaliculatum
Calliostoma ligatum
Calosoma denticolle from a colour plate in Jacobson 1905-1915
Calosoma planicolle
Calosoma senegalense
Calosoma scrutator by Alejandro Santillana "Insects Unlocked" Project, University of Texas at Austin
A Camponotus festinatus queen with workers
Canarium resinieferum seeds dispersed by hornbills in Pakke Tiger Reserve
Dammar resin from Canarium strictum
Cancer
Symptoms of cancer metastasis depend on the location of the tumor.
The incidence of lung cancer is highly correlated with smoking.
Cancers are caused by a series of mutations. Each mutation alters the behavior of the cell somewhat.
The central role of DNA damage and epigenetic defects in DNA repair genes in carcinogenesis
Chest x-ray showing lung cancer in the left lung
Death from cancer per million persons in 2012
  135–367
  368–443
  444–521
  522–588
  589–736
  737–968
  969-1,567
  1,568–2,085
  2,086–2,567
  2,568–3,320
Engraving with two views of a Dutch woman who had a tumor removed from her neck in 1689
University of Florida Cancer Hospital
Juvenile cougars conflict with coyotes
Crested caracara in flight
Crested caracara, Brazoria National Wildlife Refuge
The mottled breast and pinkish-purple facial skin and cere are typical of immatures
Young adult perched on a cactus, Bonaire, BES Islands
Northern caracaras fighting. Painted by John James Audubon.
C. prelutosus fossil
An immature bird surveying the surroundings in Texas, USA
A great white shark swimming a few meters below the surface, above a school of much smaller fish.
The great white shark (Carcharodon carcharias) and megalodon were previously thought to be close relatives.[43][44]
Great white shark off Guadalupe Island, Mexico
A 4-cm-tall fossil C. carcharias tooth from Miocene sediments in the Atacama Desert of Chile
Upper teeth
Great white shark's skeleton
Lower teeth
Photo of shark swimming at water surface
A great white shark swimming
Great white shark biting into the fish head teaser bait next to a cage in False Bay, South Africa
Photo of inverted shark at surface
A great white shark turns onto its back while hunting tuna bait
A beachcomber looking at bite marks from a great white shark on a beached whale carcass
A great white shark scavenging on a whale carcass in False Bay, South Africa
Photo of open-mouthed shark at surface.
The great white shark is one of only four kinds of sharks that have been involved in a significant number of fatal unprovoked attacks on humans.
Photo of shark
Great white shark in the Monterey Bay Aquarium in September 2006
A narrow form C. hastalis from the Pliocene of Italy.
Finished hickory in a cabinet
Strip mining for fossil Castanopsis in the form of lignite ("brown coal"). Garzweiler (Germany), 2006. Click to enlarge; note Bagger 288 and 289 in the left background.
Shii (Castanopsis cuspidata) parts drawing
Castanopsis sieboldii leaves
Turkey vulture
In flight over Florida
Turkey Vulture in flight, C. a. septentrionalis (Canada)
Spread-winged adult
Feeding on dead gull at Morro Bay, California
A side view, showing the perforated nostrils.
Ceanothus arboreus, illustrating the three parallel leaf veins characteristic of this genus.
Ceanothus fendleri blossom.
Ceanothus americanus (fruit left, flowers right)
Flowers of Ceanothus cuneatus (Buck brush, Wedgeleaf ceanothus) in Pinnacles National Park.
Ceanothus integerrimus (Deerbrush) in Yosemite National Park.
Open fruits of Cedrela sp. showing the central column.
Celastrus orbiculatus
Bird with scalloped plumage swims in the ocean
A pigeon guillemot in winter plumage at Moss Landing, California
Bird flying over oceean
Pigeon guillemot flying off coast of Oregon
A black bird with white spot on wings stands on a cliff nest to a hole
At cliffside nest
Two pigeon guillemot chicks, one just hatched, in a nesting crevice with eggs shell remains.
An almost fledged pigeon guillemot nestling
Adult calling
A pigeon guillemot diving at Living Coasts, Torquay, England
Aspergillus fumigatus, a fungal disease that affects this bird when in captivity
Cercocarpus
California horn snails are common in the Morro Bay estuary of California
Location of Svidník District in the Prešov Region.
Drawing of shark in profile, showing split tail, and five dark bands that encircle the body between the head and pectoral bands
Male basking shark
Shot of head in profile with partially opened mouth
Head of a basking shark
A basking shark filter feeding
Basking shark filter feeding
Basking shark filter feeding at Dursey Sound
The "wonderful fish" described in Harper's Weekly on 24 October 1868, was likely the remains of a basking shark.
C. riabinini skull
Drawing of the Smooth-headed Dreamer, C. draco
Vocalization
A. c. caerulescens blue morph
A. c. atlanticus, spring migration, blue morphs in foreground, Alexandria, Ontario
Greater snow geese in flight
Snow geese (Anser caerulescens)
Snow geese in a corn field on Fir Island, Washington in the Skagit River delta
Wintering snow geese on Fir Island, Washington
Fossil scallop with barnacles
Fossil scallop with barnacles
Chrysolepis
Cinnamomum tamala, young leaves, Kerala, India
Cinnamomum tree in a 10th-century Arabic manuscript
Bark of Cinnamomum camphora
File:Cinnamomum parthenoxylon.JPG
Leaves of Cinnamomum parthenoxylon
Drawing of Cinnamomum iners Reinwardt. ex Blume by J.C.P. Arckenhausen, ~1835
Cissus verticillata
A Cissus javana cultivar
Well-hidden speckled sanddabs at the Steinhart Aquarium
Ancient statue of Clementia in the Museo Chiaramonti
Atlantic herring (Clupea harengus)
Video loop of a school of Atlantic herring migratiing to their spawning grounds in the Baltic Sea
Commercial herring catch
Medieval herring fishing in Scania, 1555
LC IUCN 3 1.svg
LC IUCN 3 1.svg
Cochliomyia
Entomologist Edward F. Knipling proposed the sterile insect technique.
Sterile C. hominivorax male labeled with a number to study the behavior, dispersal, and longevity of the fly
The extinct Guadalupe flicker
Green-barred woodpecker (Colaptes melanochloros), a forest flicker
The golden-olive woodpecker (Colaptes rubiginosus) was formerly placed in Piculus
Tapiroidea
Homogalax tapirinus, a tapiromorph
Colubraria tortuosa (Reeve, 1844)
Columba
The remains of St. Columba's Church, Gartan, County Donegal.
Saint Columba. Stained glass window in Iona Abbey
At a feeder near Pecos, New Mexico
Upper body
The Columbarium of San Francisco
Conus fergusoni
Black vulture pair feeding on a mule deer. Plate 106 from The Birds of America by John James Audubon.
Coragyps atratus brasiliensis
Adult and juvenile, Hueston Woods State Park, Ohio
A bird in flight
Egg, Collection Museum Wiesbaden
Hatchlings
Feeding on a wood stork
A flock on a horse carcass
In species such as this Cornus unalaschkensis, the tiny four-petaled flowers are clustered in a tightly packed, flattened cyme at the center of four showy white petal-like bracts.
Cornus mas
Cornus florida in spring
Cornus drummondii in flower
Mature and immature flowers of Cornus canadensis, Bonnechere Provincial Park, Ontario
Cornus canadensis fruit
Spring budding
Cherokee Princess dogwood
An American crow making its distinctive call.
The skull of an American crow
Brooklyn Museum - American crow - John J. Audubon
An American crow egg, in the collection of the Children's Museum of Indianapolis
A rock scallop with a sponge covering its shell
Plant of Crataegus monogyna
Close-up of the flowers of C. monogyna
Crataegus monogyna 'Crimson Cloud' in Elko, Nevada
Hawthorn rootstock on a medlar tree in Totnes, United Kingdom.
Hawthorn trees demarcate a garden plot. According to legend, they are strongly associated with the fairies.
Crossata ventricosa
In a defensive posture.
Drawing of three cup-shaped structures vertically bisected to reveal the contents within. The middle cup structure is the largest; it has an open top and has five smaller disc shaped object within, all attached to thin cords to the cup. The left and right structures are smaller, and also contain discs attached by cords; the rightmost structure is the smallest, and its top is not open, unlike the other two structures.
Cross section of C. laeve fruiting bodies in various stages of development
Cross section of C. laeve fruiting bodies in various stages of development
Drawing of a cross-section through a part of a young fruiting body, showing the developing peridioles
A pinecone with six small, light yellow, cup-shaped structures on it
C. laeve growing on a Douglas-fir cone
chemical structure
Skeletal formula of salfredin B11. A total synthesis of the compound was achieved in 1998.[45]
Four cup-shaped structures on a piece of wood; each cup contains three to seven visible whitish-yellow disc-shaped objects within. The interior of the cups is buff or light brown, while the rims are a darker brown.
Close-up of the peridioles of C. laeve
Peumo leaves
Cryptocarya macrocarpa - MHNT
Culicoides brevitarsis
Wing pattern of 12 species of Culicoides
Camboatá (Cupania vernalis)
Cupressus lusitanica foliage and cones
Cupressus goveniana
Whistling swan with yellow patch at base of bill
Adult (front) and half-year-old immature Bewick's swans (C. c. bewickii) wintering in Saitama (Japan)
Adult whistling swans (C. c. columbianus). Click to magnify for seeing variation in the yellow bill spots.
Adult whistling swan in flight. Seen from below, all "Arctic" swans look almost identical.
Flock of adult and young whistling swans
Bewick's swan feeding by upending
The egg
Woodcut by Robert Elliot Bewick of the swan named in memory of his father by William Yarrell. 1847 edition of Thomas Bewick's A History of British Birds.
Tundra swans alight at Mattamuskeet Refuge in North Carolina
Female
Cythara
Paris, France. An instrument from the Stuttgart Psalter (France), early 9th century, labeled "cythara" in that text. Shown vertically here, most illustrations in the psalter show it played held in the arms horizontally, like a citole.
Netherlands. Cittern, showing the buckles, knobs where the neck meets the instrument's body, remnants of the citole's shoulder projections.
Castile/Spain, c. 1300-1340. The left instrument has been called both citole and guitarra latina. It seems to lack the citole's deep neck, trefoil, and vestigial wings, but the body shape resembles the citole, and it has the sound holes in each corner and the circle of sound holes in the center. Right instrument has been called guitarra morisca.
Cyma molding profile (left) and shadow pattern (right)
Spines of D. armata
Trunk of D. lanceolaria
Flowers of D. lanceolaria
Pods of D. lanceolaria
Chess pieces in D. latifolia rosewood
Flowers of D. miscolobium
Wood from a Dalbergia sp. - MHNT
D. superbus skull
D. vetus skull, Paleontology Museum of Zurich
D. vetus skeleton, Paleontology Museum of Zurich
The strait of the Dardanelles (yellow) takes its name from Dardanus.
Females of both species (sooty grouse pictured) are mottled brown with dark brown and white marks on the underparts.
In breeding plumage, this sooty grouse male is typical of the species. It is dark grey with a yellow wattle over the eye. The tail is long and black with a square pale gray tip.
Sooty grouse
Sooty grouse male and female
Size of leatherback compared to human
Oesophagus of a leatherback sea turtle showing spines to retain prey
Hatchlings crawling to the sea
Leatherback turtle covering her eggs, Turtle Beach, Tobago
D. coriacea distribution - yellow circles represent minor nesting locations, red circles are known major nesting sites
Leatherback turtle at Sandy Point National Wildlife Refuge
A leatherback turtle with eggs, photo taken on Montjoly beach (French Guiana)
Baby leatherback turtle
Decaying plastic bag resembling jellyfish
Deroceras panormitanum
Lespedeza thunbergii was formerly known as Desmodium formosum and Desmodium thunbergii
Desmodium intortum
Desmodium triflorum
Beggar lice seeds readily stick to many objects, such as this shoe
Desmodium oojeinense parts drawing. Dietrich Brandis (1874): Illustrations of the Forest Flora of North-West and Central India.
Desmodium paniculatum flowers
Diacria, showing the dispositions of the Greek and Persian forces at the Battle of Marathon
Daeodon
Diodora aspera, underside
Lateral view of a shell of Diodora inaequalis
Ventral view of a shell of Diodora inaequalis
Diospyros
Ebony jivari of a sitar
Diospyros buxifolia leaves
Diospyros celebica wood
Gold apple (D. decandra) fruit
Diospyros geminata foliage and young fruit
Diospyros virginiana in Tampa, Florida
Diospyros whyteana twig with young fruit
Diospyros revaughanii in Mauritius
Merriam's kangaroo rat
Merriam's kangaroo rat
(Dipodomys merriami)
A kangaroo rat narrowly escaping an attack by a Mohave rattlesnake
Ord's kangaroo rat
Southern alligator lizard
Defensive display
Engina pyrostoma
Engina menkeana
Epihippus
Vegetative stem:
B = branch in whorl
I = internode
L = leaves
N = node
Strobilus of Northern giant horsetail (Equisetum telmateia subsp. braunii), terminal on an unbranched stem.
Microscopic view of rough horsetail, Equisetum hyemale (2-1-0-1-2 is one millimetre with 1/20th graduation).
The small white protuberances are accumulated silicates on cells.
Rough horsetail in Parc floral de Paris
Branched horsetail (E. ramosissimum)
Equisetum × moorei (Rough Horsetail × Branched Horsetail)
Equus simplicidens skull
A male at the North Carolina Zoo in Ashboro, North Carolina, US
In British Columbia, Canada
A nest with three chicks in the oil fields of Alberta, Canada
Whale at surface
Southern right whale in the breeding grounds at Peninsula Valdés in Patagonia
Orange whale lice on a right whale
Southern right whale skeleton
Photo of two plumes of spray coming from a whale at the surface
The distinctive V-shaped blow of a right whale
Right whale eye
An example of baleen plates; there are about 50 plates in this photo.
A female North Atlantic right whale with her calf.
Painting of small, flame-engulfed boat with men clinging to wreckage next to spouting whale, with second small boat and larger three-masted ship in background
Whaling in small wooden boats with hand harpoons was a hazardous enterprise, even when hunting the "right" whale.
A southern right whale approaches close to whale watchers near Península Valdés in Patagonia
North Atlantic right whale on a Faroese stamp
Photo of dead whale, floating on surface
The remains of a North Atlantic right whale after it collided with a ship propeller
Euceratherium
Lunatia lewisii is digging into the mud to protect itself.
Apical view of a shell of Lunatia lewisii
Falco peregrinus. Royal National Park, New South Wales, Australia
Illustration by John James Audubon
A map of the world, green shows on several continents, but there are also several big bare spots marked with E for extinct.
Breeding ranges of the subspecies
F. p. anatum in flight, Morro Bay, California
Painting of F. p. babylonicus by John Gould
Juvenile of subspecies ernesti in Mount Mahawu, North Sulawesi, Indonesia
Adult of subspecies pealei or tundrius by its nest in Alaska
F. p. macropus, Australia
F. p. minor, illustration by Keulemans, 1874
Captive Falco peregrinus pealei
Closeup of head showing nostril tubercle
Flying in California, USA
Falco peregrinus, Sandy Hook, New Jersey, USA.
Silhouette in normal flight (left) and at the start of a stoop (right)
An immature peregrine eating its prey on the deck of a ship
At nest, France
Egg, Collection Museum Wiesbaden
Peregrine falcon chicks in a nest on the Verrazano-Narrows Bridge in New York City being banded
Tame peregrine striking a red grouse, by Louis Agassiz Fuertes (1920)
Peregrine flying along the coastline of the White Cliffs of Dover in England
F. catus: a domestic tabby cat
F. chaus: a jungle cat in India
F. s. silvestris: a European wildcat in Germany
F. nigripes: a captive black-footed cat
F. margarita: a captive sand cat
F. bieti: a captive Chinese mountain cat
Aerial root that may eventually provide structural support
A Ficus carica
A common fig's syconium (fruit)
Cut through ripe common fig
Ficus exasperata, fruits
Leaves of the sacred fig (Ficus religiosa)
Fig tree roots overgrowing a sandstone Buddha statue, near Wat Maha That in Ayutthaya province, Thailand
Puffin
A Tufted puffin in Seattle, Washington
Atlantic puffin, Lundy, UK
Atlantic puffins on the Faroe Islands
Puffin in Iceland
1895 portrait of breeding adult
Adult in winter plumage
Juveniles
Adult outside nesting burrow on the Kuril Islands
Adult swimming at the Henry Doorly Zoo
Note feet and red top of frontal shield
American coot on take-off
The American coot is regularly found in sizable flocks.
Brooklyn Museum - American Coot - John J. Audubon
"Caribbean coot" type with fully white frontal shield
Mating pair, American coots
Coot standing over its nest. Note red eyes
Nesting American coot
American coot with two chicks
Northern fulmar
Bird Sound
Bird Sound
A tail-piece wood engraving in Thomas Bewick's A History of British Birds, Volume 2: Water Birds, 1804
Egg, (coll.MHNT)
Nesting in Shetland, Scotland
Nests in County Mayo, Ireland
A fulmar flying in Kongsfjord, Ny Alesund, Svalbard
Fossil shell of Fusinus longiroster from Pliocene of Italy
shell of Fusinus inglorius
Fusinus sp. from the Pliocene of Cyprus.
Profile photo of shark, accompanied by remora, swimming just above a sandy seafloor
Juvenile tiger shark in the Bahamas
Video of juvenile tiger shark at Lord Howe Island, Australia, from PLOS ONE
Photo of shark hung by its tail on the shore
A large tiger shark caught in Kaneʻohe Bay, Oʻahu in 1966
Distribution of Gasterosteus aculeatus (Three-spine stickleback) in the United States, from USGS NAS web site
Male stickleback with red throat and shiny blue eye
A three-spined stickleback with stained neuromasts that form the lateral line system.
Breeding, top, and non-breeding, bottom, black-throated loons
Non-breeding adult
A black-throated loon taking off
Eggs, Collection Museum Wiesbaden, Germany
A video of a black-throated loon foraging
An adult black-throated loon with its chick
In Alaska
Pacific loon
A grey and white bird swims in water.
An adult in non-breeding plumage shows the speckled back which gives the bird its specific name.
Adult in breeding plumage in Iceland
Dark grey fuzzy-looking chick floats on water.
Very young birds are covered with dark brown or grey down feathers.
diagram of silhouette of red-throated loon in flight
In flight, the hunchbacked profile of the red-throated loon is distinctive.
aerial view of tundra, with numerous small lakes dotting the ground
The red-throated loon breeds primarily in coastal tundra, often on very small lakes.
Adult loon in breeding plumage, reared up on the water with its wings spread.
Among the loons, the red-throated loon is exceptional in its ability to take off from very small bodies of water.
Two small fuzzy blackish chicks—one swallowing a silver fish—float on water beside a larger bird with a black back and grey neck.
Once they are 3–4 days old, the young are fed fish—which can be quite large compared to the size of the chick.
Eggs, Collection Museum Wiesbaden
Small fuzzy black chick floats beside a larger bird on calm water with a muddy bank and tall grass in the background
Chicks are competent swimmers, able to accompany their parents soon after hatching.
Greyish bird with white speckles on its back and a sharply pointed grey bill floats on water
Juveniles have darker necks and fewer speckles on their backs than adults do.
Gemmula
Identification
Restoration of foraging Gomphotaria pugnax with Dusignathus in foreground
Desert tortoise, Gopherus agassizii
Agassiz's desert tortoise in Rainbow Basin near Barstow, California
Desert tortoise
A captive male Sonoran Desert tortoise with visible chin glands eats strawberries.
Hatching baby desert tortoise
A young desert tortoise
Tortoise Monitoring and Research at Joshua Tree National Park
Frederick Polydore Nodder's illustration accompanying George Shaw's 1797 species description
California condor skull
Fossil of the extinct species Gymnogyps amplus from the La Brea Tar Pits
G. amplus tarsometatarsus (holotype) accompanying Loye H. Miller's description
Adult in flight. Tracking tags can be seen on both wings.
Upper body
California oak savanna on the east flank of Sonoma Mountain
Preening condors
An adult with a 30-day-old chick in a cave nest near Hopper Mountain National Wildlife Refuge, California, USA
Juveniles feeding
A juvenile in the Grand Canyon, with its numbered tag prominent.
Condor chick being fed by condor feeding puppet
A USFWS sign at Bitter Creek National Wildlife Refuge, California, USA
Pinnacles National Park, a release site
Zooniverse icon for Condor Watch
Condor on 2005 commemorative coin
Haminoea cyanomarginata in situ
shell of Haminoea navicula
Jaw
A Chiapan beaded lizard in captivity.
Hemipristis serra
Dried Cyathea podophylla.
Skeleton in Natural History Museum, London
Restoration of Pleistocene South America
The Nereid Monument. From Xanthos (Lycia), modern-day Antalya Province, Turkey. 390–380 BCE. Room 17, the British Museum, London
Nereid riding a sea-bull (latter 2nd century BC)
French Empire mantel clock (1822) depicting the nereid Galatea velificans
Metapodial
Skull
Skeleton of H. primigenius
Jaw and teeth
A pair of males flanked by a pair of females
Eggs, Collection Museum Wiesbaden
Evolutionary tree chart emphasizing the subfamily Homininae and the tribe Hominini. After diverging from the line to Ponginae the early Homininae split into the tribes Hominini and Gorillini. The early Hominini split further, separating the line to Homo from the lineage of Pan. Currently, tribe Hominini designates the subtribes Hominina, containing genus Homo; Panina, genus Pan; and Australopithecina, with several extinct genera—the subtribes are not labelled on this chart.
A model of the evolution of the genus Homo over the last 2 million years (vertical axis). The rapid "Out of Africa" expansion of H. sapiens is indicated at the top of the diagram, with admixture indicated with Neanderthals, Denisovans, and unspecified archaic African hominins.[46]
H. occidentalis skull
Reconstruction by Heinrich Harder, c. 1920
H. horridus skull
H. horridus and Leptomeryx
Hydrangea paniculata
Hyrachyus
Inga sp.MHNT
Fruit of an Inga-species
Ischnochiton spp. (unknown species) from South Africa
Fossil teeth of I. hastalis
The jaws
Jaw
The lower teeth
The head of a mako shark
Aeneas carrying Anchises, with Ascanius and his wife, red-figure amphora from a Greek workshop in Etruria, ca. 470 BC, Staatliche Antikensammlungen
Landscape with Ascanius Shooting the Stag of Sylvia (1682), Claude Lorrain's last painting
In Juncus effusus (and other species in J. sect. Juncotypus), the bract appears as a continuation of the stem, and the inflorescence appears lateral.
Juniper
Cones and leaves of Juniperus communis
Detail of Juniperus chinensis shoots, with juvenile (needle-like) leaves (left), and adult scale leaves and immature male cones (right)
Juniper needles, magnified. Left, Juniperus communis (Juniperus sect. Juniperus; note needles 'jointed' at base). Right, Juniperus chinensis (Juniperus sect. Sabina; note needles merging smoothly with the stem, not jointed at base)
Juniperus phoenicea on El Hierro, Canary Islands
Juniperus virginiana in October laden with ripe cones
Cones and seeds
Juniperus communis wood pieces, with a U.S. penny for scale, showing the narrow growth rings of the species
Juniper (Juniperus osteosperma and scopulorum) essential oil
Kelletia kelletii
An apertural view of a shell of Kelletia kelletii from its original description drawn by William Hellier Baily.
Three Kelletia kelletii in captivity (one hidden behind another) feed on dead fish, each one using a long, prehensile proboscis to reach down to the food.
The sea star Pisaster giganteus is eating the bivalve Chama pellucida while three Kelletia kelletii are attempting to get to the prey.
Egg laying occur in spawning groups.
Eggs of Kelletia kelletii.
Kellia
File:File:21 - Lima - Août 2008.jpg
Lima
Pachacamac was an important religious centre before the arrival of Spanish conquistadors
Balconies were a major architectural feature during the colonial period
The Walls of Lima were built between 1684 and 1687 by viceroy Melchor de Navarra.
Lima as seen from the International Space Station
Lima at night from space
Weather averages for the Jorge Chávez International Airport
People of Lima.
Children at an elementary school in Santiago de Surco.
Pueblos jóvenes on the outskirts.
Financial center of Lima.
Government Palace of Perú
Lima City Hall building at night
Courthouse.
Lima's main square, c. 1843
Woman in White Poncho on Horseback. Cantonese watercolor, sold in Lima mid-19th century. These paintings were copies of works of Francisco Fierro, a popular Afro-Peruvian artist of the time. Collections of the Museum of International Folk Art, Santa Fe.
Miraflores Hotel Skyline.
Jorge Chávez International Airport.
The Port of Callao.
Buses in Avenida Arequipa.
El Metropolitano.
Lima Metro.
Lampris guttatus
A herring gull (front) and a lesser black-backed gull (behind) in Norway: two species with clear differences.
The Larus gulls interbreed in a ring around the arctic
(1 : Larus argentatus argentatus, 2: Larus fuscus sensu stricto, 3 : Larus fuscus heuglini, 4 : Larus argentatus birulai, 5 : Larus argentatus vegae, 6 : Larus argentatus smithsonianus, 7 : Larus argentatus argenteus)
California gull
Winter plumage, California
Hand-painted glass slide of a colony of California gulls at Malheur Lake, taken by Finley and Bohlman during a 1908 photograph trip to the area. Finley and Bohlman's photographs would later help Malheur become a bird refuge in 1908.
Ring-billed gull
Ring-billed gull in Barcelona
Glaucous-winged gull, juvenile
Once they leave the nest, chicks follow their parents to the nearest water.
Gill of a juvenile gar
Alligator gar are stalking, ambush predators
Alligator gar caught in Moon Lake, Mississippi, March 1910
1995 Choke Canyon Harvest
1995 Choke Canyon Harvest
On site processing
On site processing
Market display of gar fillets
Market display of gar fillets
Fillets grilled and boiled
Fillets grilled and boiled
Ganoid scale jewelry
Ganoid scale jewelry
Ganoid scale earrings
Ganoid scale earrings
6 ft (1.8 m) 129 lb (59 kg) alligator gar caught by Steve Zeug and Clint Robertson, Brazos River, Texas, 2004
Alligator gar maneuvering with pectoral fins in large zoo aquarium
Preserved display of an alligator gar head
Mounted skeleton
Black-tailed jackrabbit sitting.
Juvenile Black-tailed jackrabbit eating a carrot in the California Mojave desert.
Weathered adult Black-tailed jackrabbit eating
An adolescent Black-tailed jackrabbit, is too young to have learned to fear humans, and is oblivious to the camera being 3 feet from him, as he enjoys the hospitality of the cameraman's carrot breakfast in the Mojave desert, California
Typical pose when alerted
Black-tailed jackrabbit in Texas, cooling off in the shade on a hot summer's day.
In the Mojave Desert, a thirsty black-tailed jackrabbit senses water nearby on a human's property, and risks venturing onto the property to steal a drink of water from a dog's water bowl under a swamp cooler.
A flock of migratory waders, dominated by bar-tailed godwit
Dorsal and anterior view of the male's head.
L. styraciflua inflorecences on stem
Fossil leaf of Liquidambar from Pliocene of Italy
Lithocarpus sp. - MHNT
Lithocarpus sp. - MHNT
Lithocarpus pseudoreinwardtii
Skull
The river otter's streamlined shape allows it to glide through the water.
The river otter's sensitive whiskers allow it to detect prey in murky water. Note the inconspicuous ears.
North American River Otter at the River dart
Sliding across ice is an efficient means of travel. Note the long, tapered tail.
Tracks in the snow
Raft of L. c. pacifica surfacing to eat fish
A pair of captive North American river otters at Phillips Park Zoo in Aurora, IL.
The species inhabits coastal areas, such as marshland.
A river otter in the San Anselmo Creek.
River otter swimming in San Francisco Bay stop to sun themselves on rocks at Richmond, CA Marina
Northern river otter eating a white sucker (catostomus commersonii) at the Seedskadee National Wildlife Refuge (Wyoming)
River otters are hunted and trapped for their valuable fur.
Lottia
Lottia mixta
basal view
A shell of Malea ringens. Museum specimen
Mandible
Pygmy mammoth humerus bone, next to that of a Columbian mammoth
Mancallinae
Mouth of preserved specimen
Worldwide sightings of the megamouth shark
Teeth
Tarpon fishing in Sierra Leone.
A speared tarpon leaps from the water in an 1894 illustration by Hermann Simon
Young whale with blowholes clearly visible
Video of a young singing humpback whale in the waters of Vava'u, Tonga
Feeds while being surrounded by kayakers at Port San Luis near Avila
Photo of humpback in profile with most of its body out of the water, with back forming acute angle to water
Humpbacks frequently breach, throwing two-thirds or more of their bodies out of the water and splashing down on their backs.
A humpback in the waters of the Abrolhos Archipelago
Spectrogram of humpback whale vocalizations: detail is shown for the first 24 seconds of the 37-second recording "Singing Humpbacks". In this recording, the ethereal whale "songs" are heard before and after a set of echolocation "clicks" in the middle.
Photo of two whales, one lies on its back with fins outstretched above the surface
Humpback swimming on its back in Antarctica
Double breaching in Alaska
Photo of several whales each with only its head visible above the surface
A group of 15 whales bubble net fishing near Juneau, Alaska
Humpback whale lunging in the center of a bubble net spiral.
A whale off Australia on the spring migration, feeding on krill by turning on its side and propelling through the krill
A humpback straining water through its baleen after lunging.
Humpback breaching near coast
Professor John Struthers about to dissect the Tay whale, Dundee, photographed by George Washington Wilson in 1884
Possible Migaloo sighted off the Royal National Park
Photo of beached whale with observers in background
A dead humpback washed up near Big Sur, California
Humpback whale in Colombia's Uramba Bahía Málaga National Natural Park, a favorite place for whales to give birth to their young, making it a tourist destination
Living specimen of Megathura crenulata with mantle extended over much of its shell.
White-winged scoter
Eggs, Collection Museum Wiesbaden
Composite image of velvet scoter
With crab
MG 5668 Cricket SRGB INW
M. d. differentialis juvenile (4th or 5th stage), Ottawa, Ontario
Differential Grasshopper seen in Arlington, Texas, USA.
Meliosma henryi
Meliosma pinnata var. oldhamii seeds,
Singing in Delaware USA
Taken near Anacortes, Washington in March, this individual is most likely M. m. morphna
Taken at Springfield, Oregon in early April, this photo probably shows M. m. cleonensis or a "phaea" hybrid
Juvenile, Florida
Egg, Collection Museum Wiesbaden
Merluccius productus California, Cordell Bank National Marine Sanctuary
The Barstow Formation in which Merriamoceros was discovered
Illustration
Merycodus
Mesohippus
Skull of a northern elephant seal.
Male elephant seals fighting for mates.
Male elephant seals fighting for mates
Northern Elephant Seal Skull on display at the Museum of Osteology, Oklahoma City, Oklahoma.
Mother and pup, Piedras Blancas
Adult male northern elephant seal at Point Reyes National Seashore, California
Three pups are nursing from a single adult female: Female elephant seals deliver only one pup; the two other may have wandered away from their mothers and gotten lost. In this situation, no pup would get enough milk.
The northern elephant seal population was estimated to be 171,000 in 2005.[47]
Mithra (left) in a 4th-century investiture sculpture at Taq-e Bostan in western Iran.
Mithras-Helios, in Phrygian cap with solar rays, with 1st century BC Antiochus I Theos of Commagene. Found at Mount Nemrut, in present-day eastern Turkey.
Relief of Roman Mithras, in a tauroctony scene.
Ida's miter with egg capsules
First complete skeletal restoration, 1918
M. elatus specimen, AMNH
Restoration of M. elatus by Robert Bruce Horsfall
Large California mussel beds, north Moonstone beach near Cambria, California. Brown, furry-looking seaweed is Gloiopeltis furcata , both in the mid to upper intertidal zones.
Chemical structure of the prototypical NaSSA mirtazapine (original brand name Remeron).
Front view of skeleton
Nectandra cissiflora berry.
Ventral view of live specimen of Neobernaya spadicea crawling on aquarium glass, anterior end to the bottom
Dorsal view of a shell of Neobernaya spadicea, anterior end to the top
Adult female N. fuscipes, UC Davis Quail Ridge Reserve
N. fuscipes house, UC Davis Stebbins Cold Canyon Reserve, CA
Desert woodrat in a century plant
Desert woodrat eating a peanut
Wood rat (Neotoma lepida) midden
Nerita
Shell and opercula of Nerita peloronta
Nerita polita rumphii Récluz, 1841 : often referred to as Nerita litterata
A shell of Nerita spengleriana
Nerium oleander
Nerium Oleander(Red)
A seed follicles spreading seeds
Oleander shrub, Morocco
Oleander growing wild in a Libyan Wadi (river valley)
Nerium Oleanders, in Galveston. Yellow is unusual
Oleandrin, one of the toxins present in oleander
The first oleander planting in Galveston, Texas
'Oleanders' by Vincent van Gogh
Burying beetle
Burying beetle life cycle
N. brachyops skull with canines piercing the leg bone of another specimen
Norrisia norrisii shell with a slipper shell Garnotia norrisiarum attached.
Notoacmea
A shell of Notoacmea mayi
Broadnose sevengill shark
Painting by Kawahara Keiga
Painting by Frederick Schoenfeld
Nucella lima
The forked tail is more easily seen from above
Fork-tailed storm petrel, St. Lazaria Island, Alaska, showing forked tail
Egg (coll.MHNT)
Ocotea guianensis - MHNT
Dried ishpingo (O. quixos) cupules can be used as spice.
Small herd of mule deer in the Sulphur Springs Valley of southern Arizona
Stotting mule deer
Mule deer foraging on a late winter morning at Okanagan Mountain Provincial Park
Mule deer grazing in Zion National Park
Buck grazing near Leavenworth, Washington
Doe grazing in Alberta, Canada
Smalltooth sand tiger in the Flower Garden Banks National Marine Sanctuary, Florida
Smalltooth sand tiger at the Northampton Seamount. In the open ocean, this species is strongly associated with submarine ridges and seamounts.
A smalltooth sand tiger at a hydrothermal vent on the Kasuga-2 submarine volcano. Smaller individuals such as this tend to remain in deeper water.
Olivella biplicata
'Hermit crab using the shell of Olivella biplicata
Mountain goat
Close-up of head
In the Cascade Range, Mount Rainier National Park, near the southern limit of their distribution.
Young mountain goat licking handrail for salt
A mountain goat grazing at Mount Rushmore, South Dakota
Mountain goat kid at Cawridge, Alberta
Mountain goat with kid in Glacier National Park
Oreortyx pictus
Egg of Oreortyx pictus – MHNT
Olympia oysters and shucking knife for scale
Original publication, The Examiner, London, Sunday, January 11, 1818, No. 524, page 24.
A fair copy draft (c. 1817) of Shelley's "Ozymandias" in the collection of Oxford's Bodleian Library
The Younger Memnon statue of Ramesses II in the British Museum. Its imminent arrival in London may have inspired the poem.
1817 draft by Percy Bysshe Shelley, Bodleian Library
An illustration of a shark head (sideview). Visible are wrinkles and an exaggerated nose and eyes, and at the bottom are two individual drawings of shark teeth
The depiction of a shark's head by Nicolas Steno in his work The Head of a Shark Dissected
A black megalodon tooth and two white great white shark teeth above a centimeter scale, the megalodon tooth extends between the zero and thirteen-and-a-half centimeter marks. One great white tooth extends between the eleven and thirteen centimeter marks, and the other extends between from the thirteen and sixteen centimeter marks.
Megalodon tooth with two great white shark teeth
A drawing of a swimming shark showing the front left underside view
Restoration of megalodon with a similar appearance to the great white shark
An illustration of the side-view of a basking shark. The tail fin is crescent shaped with a larger upper lobe. The second-dorsal-fin and anal fins are small, and a caudal keel starts directly above the anal fin. The dorsal fin is large and triangular with a blunt tip, and located near mid-length of the back. Five gill slits extend almost the full depth of the body, and the head has similar depth to the body. The mouth is partly open.
Megalodon may have had a build similar to the basking shark (Cetorhinus maximus).[48]: 35–36 
A sideview of the inside of a megalodon jaw reconstruction showing five rows of teeth. Each row is more horizontal than the last, with the last row essentially resting on the jaw.
Reconstruction showing the position of the replacement teeth
A dark-yellow megalodon jaw reconstruction with two rows of white teeth stained black on the top.
Reconstructed jaws on display at the National Aquarium in Baltimore
A skeletal reconstruction of megalodon. Visible are the jaws with two rows of teeth, eye sockets, a pointed snout, several long, straight spines protruding outwards in the gill area behind the head, and a long horizontal item representing the vertebral column
Reconstructed megalodon skeleton on display at the Calvert Marine Museum
Smmothly rounded dark brown rock-like coprolite
Coprolite attributed to megalodon
A square piece of fossil bone with some roughly parallel grooves across it.
Vertebra of a whale bitten in half by a megalodon with visible gashes from teeth
A skull of an extinct sperm whale, with large smooth conical teeth, and a depression on the top front of the skull. The jaw is open.
Megalodon may have faced competition from large sperm whales, such as Livyatan melvillei.[49]
A painting of a megalodon about to eat two small whales. The mouth is open, and two rows of teeth are visible only on the bottom jaw. There are two other sharks in the background.
Artistic impression of a megalodon pursuing two Eobalaenoptera whales
Several triangular fossil shark teeth on a white background.
Collection of teeth of juvenile megalodon and C. chubutensis from a probable nursery area in the Gatun Formation of Panama
A whale skull behind a glass wall
Megalodon may have become coextinct with smaller baleen whale species, such as Piscobalaena nana.[50]
Painting of a three-masted ship sailing in the ocean
The HMS Challenger discovered megalodon teeth which were erroneously dated to be around 11,000 to 24,000 years old.[51]
Male on the left, female on the right
Palaeolagus
Mandible with tooth marks from Megalodon
Shell of Patelloida mufria
Shell of Patelloida victoriana
Nicodemus the Hagiorite
Skull of P. mauretanicus
Restored skull of P. sandersi
P. chilensis skeleton seen from below
American white pelican
Brown pelican
Peruvian pelican
Great white pelican
Australian pelican
Pink-backed pelican
Dalmatian pelican
Spot-billed pelican
A brown pelican opening mouth and inflating air sac to display tongue and some inner bill anatomy.
American white pelican with knob which develops on bill before the breeding season
An adult brown pelican with a chick in a nest in Chesapeake Bay, Maryland, US. This species will nest on the ground when no suitable trees are available.[52]
Australian pelican gliding
An Australian pelican gliding with its large wings extended
Brown pelicans diving into the sea to catch fish in Jamaica
Pelecanus occidentalis, Tortuga Bay, Island of Santa Cruz, Galápagos
Great white pelicans loafing in Kenya
Egyptian temple relief detail of pelicans
Pelicans on a Fifth Dynasty relief at the Abu Gorab temple, Egypt
Statue of pelican wounding its breast to feed its chicks
WWII 1944 Scottish Blood Transfusion Poster
Statue of pelican wounding its breast to feed its chicks
Queen Elizabeth I: the Pelican Portrait, by Nicholas Hilliard (c. 1573), in which Elizabeth I wears the medieval symbol of the pelican on her chest
The arms of the Kiszely family of Benedekfalva depict a pelican in her piety both in the crest (heraldry) and shield.
Pelican on the Albanian 1 lek coin.
Adult nonbreeding in Marin County, California. Note lack of "horn" and duller bare parts.
American white pelicans gathering at Pelican Island National Wildlife Refuge in Florida.
Brown pelicans can also be seen in center, and at left and right margins.
Non-breeding adult wintering in California
American white pelicans fishing in a group near Corte Madera, California
In breeding condition at Tulsa Zoo, USA
American white pelican (breeding) in Green Bay, WI, 2013
Nest at Chase Lake
Adults on their nests, already in nonbreeding plumage (note dark nape)
Brown pelican
Brown pelican showing throat pouch
Juvenile at Bodega Harbor, California, United States
Adult in flight, Bodega Bay, California
Diving
Flag of Louisiana prominently displaying the brown pelican
Aerial view of the Pelican Island National Wildlife Refuge
Persea americana flowers
Persea macrantha leaves
Imperial shags in Beagle Channel
Wing-drying behaviour
Occipital crest or os nuchale in Phalacrocorax carbo
Cormorant (species unknown) begins its dive
Immature Phalacrocorax atriceps albiventer
Phalacrocorax niger in Hyderabad, India
Guanay cormorant (Phalacrocorax bougainvillii) at Weltvogelpark Walsrode
Little cormorant, Microcarbo niger
Red-legged cormorant (Phalacrocorax gaimardi)
The double-crested cormorant's crests are normally not visible
Great cormorant with hooked bill
Guanay cormorant, Leucocarbo bougainvillii
Brandt's cormorant (Phalacrocorax penicillatus) – crestless, but with ornamental plumes
Little black cormorant, Phalacrocorax sulcirostris
Great cormorant drying its wings
Double-crested cormorant
A Chinese fisherman with his two cormorants
Cormorants catching Fish. Hanging silk scroll by Yūhi, Middle Edo period, Japan, 1755
Adult in breeding plumage with white crest
Displaying, California
With a fish
Eggs, Collection Museum Wiesbaden
Parent and a chick at the nest
Pelagic cormorant
Nonbreeding adult P. p. resplendens on Morro Rock (California, United States)
Pelagic cormorants (presumably P. p. resplendens) at Kitsap Peninsula (Washington, United States) preening after fishing. Note spread-winged posture of bird in center.
Adult on a nest in San Luis Obispo, California, United States
The largely sympatric red-faced cormorant (P. urile, shown here in breeding plumage) is the pelagic cormorant's sister species
Adult showing blue throat patch characteristic of breeding plumage
1859 illustration
Eggs, Collection Museum Wiesbaden
Chick
Red-necked phalarope
Waved albatross pair
A chick just before it left the Hawaiian archipelago
One of several chicks translocated to Muko-jima Island, Japan
Captive Greater flamingos feeding
P. croizeti fossil
Many molecular and morphological studies support a relationship between grebes and flamingos
Flamingos in flight at Rio Lagartos, Yucatán, MX
American flamingo and offspring. The arcuate (curved) bill is well adapted to bottom scooping
Chilean Flamingo feeding its young
Colony of flamingos at Lake Nakuru
Moche Ceramic Depicting Flamingo (200 AD) Larco Museum Collection Lima, Peru
Photinia fraseri', showing the red colour of new growth contrasted to the glossy green older leaves.
Flower of an ornamental shrub cultivar
Texas horned lizard
Phrynosoma douglasii
Comparison of P. modestum and P. platyrhinos
Growing tip of Bishop Pine, showing male cones and the long paired needles
Growth habit
Needles and spikes on a branch
Pine cone on forest floor
Pollen cones. Scale bar, 2 cm
Detail of bark
Plantation in Australia
CSIRO researchers of the Juvenile Wood Initiative sampling the increment growth core
Adult female
Bole of an aged Platanus, in Trsteno, near Dubrovnik, Croatia
Patterned bark of London plane
Life restoration at MUSE - Science Museum in Trento
Grey plover in non-breeding plumage from Arnala, Virar, Maharashtra, India in February 2016
Podiceps sociata foassil
Horned Grebe Basic (nonbreeding) plumage
Chicks swimming alongside adult in alternate plumage
Atlantic midshipman (Porichthys plectrodon)
Photophores on an Atlantic midshipman. Midshipman fish are named after their photophores.
In intertidal reef-flat environments, massive Porites form characteristic microatoll formations, with living tissues around the perimeter, and dead skeleton on the exposed upper surface. Microatoll growth is predominantly lateral, as vertical growth is limited by a lack of accommodation space.[53]
Small colony of Porites porites
Priene
The Temple of Athena with the cliff side of the acropolis in the background.
Location of Priene at Maeander River's mouth.
Bouleuterion
Theatre
The western part of the main street (Western Gate Street) with drainage
Back of blue shark
Japanese cherry (Prunus serrulata) in bloom
Cherries are prone to gummosis.
The development sequence of a nectarine (Prunus persica) over a 7.5 month period, from bud formation in early winter to fruit ripening in midsummer
Coast Douglas-fir seed cone, from a tree grown from seed collected by David Douglas
Coast Douglas-fir branch
Rocky Mountain Douglas-fir twig
The buds of a coast Douglas-fir
Spiny butterfly ray (Gymnura altavela)
Galápagos shearwater, P. subalaris
Comparison between P. olsoni and P. puffinus
Sooty shearwater
Upper body of a bird swimming off the shore of California
A small portion of a huge flock off the shore of California, United States in September
Adult near Burrow on Bruny Island. The photograph was taken at night.
Fledgling, Austins Ferry, Tasmania, Australia
Cougar
Although large, the cougar is more closely related to smaller felines than to other big cats.
Close-up of face
Cougar skull and jawbone
Although cougars somewhat resemble the domestic cat, they are about the same size as an adult human.
Rear paw of a cougar
A captive cougar feeding. Cougars are ambush predators, feeding mostly on deer and other mammals.
Cougar cubs
Cougar cub
A cougar in Yellowstone National Park
A camera trap image of a cougar in Saguaro National Park, Arizona
Front paw print of a cougar. An adult paw print is approximately 10 cm (4 inches) long.[54]
Pumapard, photographed in 1904
Cougar conservation depends on preservation of its habitat
A Boeing-727 from the now defunct Cougar Airlines.
Mountain Lion warning sign in California, USA.
Diagram showing the numbering and ring fusion locations of pyrene according to IUPAC nomenclature of organic chemistry.
Ridgway's rail
Rallus obsoletus
R. l. aequatorialis (left) and nominate (right)
Drupes of a staghorn sumac in Coudersport, PA
A young branch of staghorn sumac
Rhus lancea fruit
Staghorn sumac bob, Hamilton, Ontario
Winged Sumac leaves and flowers
Rhus malloryi fossil. ~49.5 million years old. Early Ypresian, Klondike Mountain Formation, Washington
Sumac spice
Eggs, Collection Museum Wiesbaden
Fossil of Sabal major
The skull of S. ensidens
Leidy's illustrations of the humerus of S. major and the vertebrae of S. ensidens
The vertebrae and limb bones of the holotype specimen of S. ensidens
A fossil of "Saniwa" feisti
Sapindus emarginatus leaves in Hyderabad, India
Sapindus emarginatus drupes in Hyderabad, India
S. saponaria var. drummondii berries
Scaldicetus caretti vertebrae
Spiny lizard
Sceloporus uniformis
Western fence lizard
S. o. occidentalis courting on a log
The blue ventral side of the lizard, giving it the name "blue belly"
Camouflaging
Closeup of head
Sebastes carnatus at the Monterey Bay Aquarium.
Sebastes chlorostictus at the Channel Islands National Marine Sanctuary.
Sebastes constellatus
Sebastes inermis
Sebastes goodei
Sebastes diaconus at the Vancouver Aquarium.
Sebastes nebulosus.
Sebastes norvegicus at the New England Aquarium.
Sebastes pachycephalus.
Sebastes serriceps
Fossil shell of Semicassis rondoletii
A mid-15th century Florentine world map based on the 1st (modified conic) projection in Jacobus Angelus's 1406 Latin translation of Maximus Planudes's late-13th century rediscovered Greek manuscripts of Ptolemy's 2nd-century Geography. Serica is shown in the far northeast of the world.
A Latin inset map derived from Ptolemy's Geography.[55] Serica (Sericae Pars) lies to the north of the Sinae, who lie on the Great Gulf (Magnus Sinus) at the eastern end of a land-locked Indian Ocean (Indicum Pelagus).
Laurent Fries's 1522 world map, including both Serica (Serica Regio) north of the Himalayas and Cathay (Cathaya) in far northeastern Asia.
Green Roman glass cup unearthed from an Eastern Han Dynasty (25-220 AD) tomb, Guangxi, China
Bronze coin of Constantius II (337–361), found in Karghalik, modern China
Restoration of S. nitida as a semi-aquatic animal
Blue admiral (Kaniska canace) caterpillar on China smilax (S. china)
Diosgenin is found in S. menispermoidea
American sarsaparilla (S. aristolochiifolia) from Köhler's Medicinal Plants
California ground squirrel at Point Lobos
Golden-mantled ground squirrel
The Pacific angelshark has dorsally placed eyes, a terminal mouth, and nasal barbels.
Squatina californica jaws
The Pacific angelshark's cryptic dorsal coloration enables it to ambush prey.
Two skuas and a giant petrel fighting over a dead Antarctic fur seal
Skua in Antarctica
A skua nestling, with egg tooth present
The six stamens and style of Sternbergia lutea
Alcock's boafish, S. nebulosus
Lobatus galeatus
Long-tailed meadowlark
Skull
Brush rabbit
Sthenictis campestris jaw
Taranis (Jupiter with wheel and thunderbolt), Le Chatelet, Gourzon, Haute-Marne, France
Gundestrup cauldron, created between 200 BC and 300 AD, is thought to have a depiction of Taranis on the inner wall of cauldron on tile C
Votive wheels called Rouelles, thought to correspond to the cult of Taranis. Thousands of such wheels have been found in sanctuaries in Belgic Gaul, dating from 50 BC to 50 AD. Musée d'Archéologie Nationale.
Skull, showing the powerful beak
Egg, Collection Museum Wiesbaden, Germany
An Eulenloch ("owl-hole") in northern Germany lets barn owls access the attic for nesting
Brood prior to fledging, beginning to shed their nestling down
Three barn owl chicks threatening an intruder
Captive bird landing
Landing on a handler's gloved hand. Captive birds often live longer than wild ones.
Light coloured adult
In flight, Sandesneben (Germany)
Barn owl on Lithuanian silver coin of 5 litas (2002)
Fossils of Tyto cavatica
Fossil of Tyto ostologa
The fossil species Tursiops osennae
Profile photo of dolphin breaching
Indo-Pacific bottlenose dolphin, T. aduncus
Photo of left side of dolphin head at surface
Wolphin Kawili'Kai at the Sea Life Park in Hawaii
Photo of dolphin above surface
Bottlenose dolphin head, showing rostrum and blowhole
Dolphin and a paddler at Dalkey Island
Bottlenose dolphin responding to human hand gestures.
Photo of juvenile diving just above its mother's dorsal fin
Mother and juvenile bottlenose dolphins head to the seafloor
Photo of one large and two small dolphins breaching together
An adult female bottlenose dolphin with her young, Moray Firth, Scotland
Photo of two animals at surface surrounded by spray
A bottlenose dolphin attacks and kills a harbour porpoise at Chanonry Point, Scotland
Profile photo of dolphin soaring over the outstretched arms of an aquarium entertainer
At Notojima Aquarium, Japan
Photo of dolphin leaping clear of the water next to a man wearing a hat
K-Dog, trained by the US Navy to find mines and boobytraps underwater, leaping out of the water
Bottlenose dolphin (at Hundred Islands National Park).
1659 painting by Elisabetta Sirani (adapting Merian's engraving); Timoclea pushing the Thracian captain who raped her into a well.
Timoclea before Alexander the Great, painting by Domenichino, c. 1615, Louvre.
Léon Davent, Etching, c.1541/45, after Francesco Primaticcio. 341 x 231 mm.
Fossil specimen
Relative sizes of various tunas, with the Atlantic bluefin tuna (top) at about 8 ft (2.4 m) in this sample
Maximum reported sizes of Thunnus species.
Adult flying over the German Wadden Sea; note white underwings
Chipmunks in northern Wisconsin
Eastern chipmunk at the entrance of its burrow
Skull
Teratornis
Terminalia
Botta's pocket gopher skull and teeth from Elliot 1901
An individual emerging from a burrow in southern California
The certain global range and distribution of Cape Snoek.[56]
California thrashers in mating ritual at Descanso Gardens, California.
Male lemon-yellow clawed fiddler crab (Uca perplexa), waving
General anatomy of a fiddler crab
Umbellularia
Lignotuber near ground level provides fire-resistant storage of energy and sprouting buds if fire damage requires replacement of the trunk or limbs.
Naturalized occurrence of species in Snake Lake Park, Tacoma, Washington
The leaves are entire and lance-shaped about 3–10 centimetres (1.2–3.9 in) long. They may substitute for the Mediterranean bay leaf in cooking.
Flowers open in late winter and early spring.
An unripe bay nut
Nearly ripe bay nuts being prepared for roasting.
Roasted bay nuts ready for eating, or grinding into a powdery paste for beverages and cooking
Adult bird in basic (winter) plumage, Germany
Etching of a common guillemot.
"Bridled guillemot" in Iceland
Skeleton
Part of a U. a. californica colony, Farallon Islands, California
Murre eggs
Herring gull steals an egg, Lundy
Adults feeding chick, Lundy
Pups
Male common side-blotched lizard, with blue and yellow coloration and a characteristic dark blotch behind the forearm
Common side-blotched lizards mating
Cooper's drawing of Urolophus halleri, accompanying his 1863 description.
A round stingray at Laguna Beach. This species injures hundreds of people each year off California.
Venus
Venus, without its atmosphere, is placed side by side with Earth. They are nearly the same size, though Venus is slightly smaller.
Size comparison with Earth
Image is false-colour, with Maat Mons represented in hues of gold and fiery red, against a black background
False-colour image of Maat Mons with a vertical exaggeration of 22.5
The plains of Venus are outlined in red and gold, with impact craters leaving golden rings across the surface
Impact craters on the surface of Venus (false-colour image reconstructed from radar data)
Venus is represented without its atmosphere; the mantle (red) is slightly larger than the core (yellow)
The internal structure of Venus – the crust (outer layer), the mantle (middle layer) and the core (yellow inner layer)
the orbits of Mercury, Venus, Earth and Mars are seen in motion from the top down against a spiderweb graph. Earth's orbit leaves a blue trail, while Venus's orbit leaves a yellow trail
Venus orbits the Sun at an average distance of about 108 million kilometres (about 0.7 AU) and completes an orbit every 224.7 days. Venus is the second planet from the Sun and orbits the Sun approximately 1.6 times (yellow trail) in Earth's 365 days (blue trail)
A photograph of the night sky taken from the seashore. A glimmer of sunlight is on the horizon. There are many stars visible. Venus is at the centre, much brighter than any of the stars, and its light can be seen reflected in the ocean.
Venus is always brighter than all other planets or stars as seen from Earth. The second brightest object on the image is Jupiter.
diagram illustrating the phases of Venus, going from full to new, showing that its diameter increases as its visible area decreases
The phases of Venus and evolution of its apparent diameter
Venus appears as a black bubble on the edge of the Sun's disk, dimmed through filters to a dull orange.
2004 transit of Venus
The image resembles a complex, spirograph floral pattern with five loops encircling the middle.
The pentagram of Venus. Earth is positioned at the centre of the diagram, and the curve represents the direction and distance of Venus as a function of time.
a hand-drawn sequence of images showing Venus passing over the edge of the Sun's disk, leaving an illusory drop of shadow behind
The "black drop effect" as recorded during the 1769 transit
Venus is shown in various positions in its orbit round the Sun, with each position marking a different amount of surface illumination
Galileo's discovery that Venus showed phases (although remaining near the Sun in Earth's sky) proved that it orbits the Sun and not Earth
black and white image of Venus, its edges blurred by its atmosphere, a small crescent of its surface illuminated
Modern telescopic view of Venus from Earth's surface
Artist's impression of Mariner 2, launched in 1962, a skeletal, bottle-shaped spacecraft with a large radio dish on top
Global view of Venus in ultraviolet light done by Mariner 10.
♀
drawing of one row of teeth in the radula of Velutina velutina
The song of the rufous-browed peppershrike is described as a whistled phrase with the rhythm Do you wash every week?
Two forms of vulsellum forceps
California sea lion
Lithography by Joseph Smit.
California sea lion skeleton
Sea lions in Santa Cruz, California
Sea lion rookery
Sea lion pup
Sea lions resting on a buoy
Zak, a 375 lb (170 kg) Navy sea lion leaps back into the boat after a harbor-patrol training mission.
Captive sea lion performing
A California sea lion at Central Park Zoo. It has climbed to the edge of its tank awaiting feeding, showing awareness of its regular feeding time.
Photo of sea lions crowded together on dock
Hundreds of California sea lions bask on Pier 39 in San Francisco, where they are welcomed as a tourist attraction.
Shooting sea lions, ca. 1870s
In Hermosillo, Sonora, Mexico
In Guelph, Ontario, Canada.
Adult and squabs in cactus-protected nest, High Desert (California)
Adult
Egg, Collection Museum Wiesbaden
Parent and two chicks in Arizona
Pair of doves in late winter in Minnesota
Audubon's Carolina pigeon
In California, United States
Zygolophodon tapiroides tusks excavated in Milia (Greece)
Autumn foliage
The Golden Fleece by Herbert James Draper (1904)
"Aeetes Accepts the Dismembered Corpse of Absyrte". Engraved by René Boyvin after Leonard Thiry, 1563.
Plaque with Medea's Murder of Absyrtus by Martin Didier Pape (between 1580 and 1600)
Acrostichum
Agrilus
Agrilus biguttatus on a stump of a tree
Agrilus alesi
Agrilus aureus
Agrilus auriventris
Agrilus auroapicalis
Agrilus biakanus
Agrilus celebicola lectotype.
Agrilus connexus holotype.
Agrilus crepuscularis holotype.
Agrilus cupricauda lectotype.
Agrilus diversornatus holotype
Agrilus evinadus lectotype.
Agrilus horni lectotype.
Agrilus horniellus
Agrilus inamoenus
Agrilus korenskyi lectotype.
Agrilus kurandae lectotype.
Agrilus laurenconi holotype.
Agrilus marmoreus lectotype.
Agrilus mucidus holotype.
Agrilus nebulosus.
Agrilus nirius lectotype.
Agrilus nitidus lectotype.
Agrilus oblatus lectotype
Agrilus perroti
Agrilus picturatus holotype.
Agrilus pluvius holotype.
Agrilus pseudoambiguus holotype.
Agrilus samoensis holotype.
Agrilus sordidulus
Agrilus tebinganus lectotype.
Agrilus tesselatus holotype.
Agrilus trepanatus holotype.
Agrilus umrongso holotype.
Agrilus yamawakii
Agrilus zanthoxylumi
Restoration of A. elrodi by Robert Bruce Horsfall
Life reconstruction of Aepycamelus giraffinus
Aeshna speciosa fossil
Agabus
Candlenut (Aleurites moluccanus)
Candlenut seedling
Allophylus timoriensis - MHNT
Utah, October 2005
Nevada, summer 2006
Multicolored swarm in Nevada, 2002.
Andrena vaga visiting her nest
Anemia
Main symptoms that may appear in anemia[57]
The hand of a person with severe anemia (on the left) compared to one without (on the right)
Figure shows normal red blood cells flowing freely in a blood vessel. The inset image shows a cross-section of a normal red blood cell with normal hemoglobin.[58]
Peripheral blood smear microscopy of a patient with iron-deficiency anemia
Anthomyia procellaris laying eggs into faeces on a stump of tree
Anthonomus
Aphodius
Aphodius septemmaculatus
Marbled orb-weaver (Araneus marmoreus), Temagami, Ontario
Marbled orb-weaver (Araneus marmoreus)
Anthomyia
Eacles imperialis caterpillar undergoing apolysis
Calico flower (A. littoralis): habit
Aristolochic acid, the main toxin of pipevines
Ornamental Aristolochia ringens
Rajah Brooke's birdwing: its caterpillars feed on Aristolochia foveolata
Aristolochia acuminata habitus drawing
Aristolochia arborea flowers
Aristolochia eriantha
Aristolochia gibertii
Aristolochia pistolochia
Aristolochia maxima
Aristolochia lindneri
Aristolochia macrophylla
Aristolochia pontica
Aristolochia sempervirens
Michel Adanson (1727-1806), who named the genus Asimina
A red-purple, green, and white flower
Flower of Asimina reticulata
Asimina triloba is often called prairie banana because of its banana-like creamy texture and flavor.
Black spleenwort (A. adiantum-nigrum)
Asplenium aethiopicum
Crow's-nest fern (A. australasicum), one of the bird's-nest ferns
Asplenium azoricum
Sea spleenwort (A. marinum)
Forked spleenwort (A. septentrionale)
Green spleenwort (A. viride)
Female
Neck-stretching courtship ritual of the male redhead
Athaliah
Gustave Doré, The Death of Athaliah.
Attagenus
Attagenus fasciatus larva
Attagenus trifasciatus
Borealosuchus skeleton cast at the North Dakota Heritage Center & State Museum
Borealosuchus sp. fossil
Brachinus sclopeta
Bruchus atomarius
Bruchus rufimanus
Bruchus affinis
Buprestis dalmatina
Buprestis haemorrhoidalis
Buprestis lineata
Buprestis novemmaculata
Buprestis octoguttata
Buprestis rufipes
Female Callomyia amoena
Cardiospermum halicacabum - MHNT
Typical interior structure of a small carpenter bee's nest, here built into a dry stem of fennel. The stem cavity is partitioned into cells, each one containing pollen bread and one offspring. In the lowermost cell (on the right), the larva has already hatched. The other two cells still contain eggs.
Ceratina bifida
Ceratina chalcites
Ceratina smaragdula
"Dog Town" or settlement of prairie dogs
Aphrodite
Aphrodite Ourania, draped rather than nude, with her foot resting on a tortoise (Musée du Louvre)
Ruins of the temple of Aphrodite at Aphrodisias
Mosaic from Roman Syria depicting Aphrodite and Ares. Shahba, Syria
Ancient Greek mosaic from Antioch dating to the second century AD, depicting the Judgement of Paris
The so-called "Venus in a bikini", from the house of Julia Felix, Pompeii, Italy actually depicts her Greek counterpart Aphrodite as she is about to untie her sandal, with a small Eros squatting beneath her left arm, 1st-century AD[Notes 1]
Wall painting from Pompeii of Venus rising from the sea on a scallop shell, believed to be a copy of the Aphrodite Anadyomene by Apelles of Kos
The Judas tree (Cercis siliquastrum) often bears flowers directly on its trunk.
Hispid pocket mouse
Archaeological museum of Chalkida
View of the ancient Roman aqueduct
Venetian map of Chalcis (Negroponte) (1597).
Church of Saint Paraskevi, patron saint of Chalkis
Negroponte by Vincenzo Coronelli, 1687
The Ottoman fortress of Karababa
St Nicholas church
The city hall
The Chalcis' Bridge connecting the island with the mainland of Greece.
M/V Arktos at Chalkis Shipyards.
Bust of philosopher Aristotle, from Chalcidice, apoikia of Chalkis.
A statue of Mordechai Frizis
Nikos Skalkottas
Goldenrod soldier beetle (C. pennsylvanicus)
Cicada
A 17-year cicada, Magicicada, Robert Evans Snodgrass, 1930[59]
Chorus cicada, a species endemic to New Zealand
Mesozoic fossil forewing of Mesogereon superbum, Australia
The giant cicada Prolystra lithographica from Germany Jurassic, about 150–145 Mya
A Japanese Minminzemi (Oncotympana maculaticollis)
Cicada sound-producing organs and musculature.
a, Body of male from below, showing cover-plates;
b, From above, showing drumlike tymbals;
c, Section, muscles that vibrate tymbals;
d, A tymbal at rest;
e, Thrown into vibration, as when singing
Cicada exuvia
Eastern cicada killer wasp (Sphecius speciosus) with cicada prey. United States
Cicada camouflaged on an olive tree. Kassiopi, Corfu, Greece.
Cicadas evade predators with strategies such as camouflage.
The day-flying cicada Huechys sanguinea warns off predators with its aposematic red and black coloration. Southeast Asia
Silver casket with writing utensils, made by the Nuremberg goldsmith Wenzel Jamnitzer (1507/08–1585). Silver cicada is at lower left.
Japanese snuff bottle in the form of a cicada, c. 1900
Deep-fried Cryptotympana atrata in Shandong cuisine
Curculionidae
A true weevil
Compound of a Cyrtotrachelus in acryl
Cionus tuberculosus (Curculioninae)
A northern flicker at a tree in the Seedskadee National Wildlife Refuge
Two males in a territorial display during spring
Northern flicker feeding juvenile at nest cavity entrance
Prairie dog
Full view of a prairie dog
Prairie dogs at a burrow entrance
Prairie dog family
A pair of prairie dogs
Female with juvenile
Juvenile prairie dogs
Prairie dog calling
A prairie dog and his hole
A black-tailed prairie dog forages above ground for grasses and leaves.
Cryptophagus corticinus
Cryptophagus lemonchei
Anatomy of a Culex larva
Anatomy of a Culex adult
Culex malariager in amber
Houses in Ghadames are made of mud, lime, and palm tree trunks with covered alleyways between them to offer good shelter against summer heat.
Cylindrotoma distinctissima in copula
Baroque Italian sculptor Gian Lorenzo Bernini (1598–1680) depicted the pursuit of the nymph Daphne by the god Apollo as inspired by Ovid's Metamorphoses, in Apollo and Daphne (1622–1625). This statue is in the collection of the Galleria Borghese in Rome.
Daphnia
The beating heart of Daphnia under the microscope
Resting egg pouch (ephippium) and the juvenile daphnid that just has hatched from it
Fishhook waterflea (above) and Bythotrephes longimanus (spiny water flea) (below)
Extracted human botfly larva. The arrow points to the larva's mouthparts.
Map of human botfly region
Dermestes
Dermestes haemorrhoidalis
Jaw fragments
A hemodialysis machine
Osmosis diffusion ultrafiltration and dialysis
Schematic diagram of peritoneal dialysis
File:Continuous Venon Venous Haemofiltration with pre and post-dilution (CVVH).svg
Continuous veno-venous haemofiltration with pre- and post-dilution (CVVH)
Continuous veno-venous haemodiafiltration (CVVHDF)
Arm showing tubes
Skeleton in the Field Museum of Natural History
Restoration of Dinictis chasing Protoceras, Charles R. Knight
D. hyalipennis
D. linearis
D. rufipes
D. goldiana, Goldie's fern
Dysdercus cingulatus, Kaeng Krachan National Park, Thailand
Ectobius species – Nymph
The mature strobili of a horsetail (Equisetum arvense).
A cross section through a horsetail strobilus, showing spores with elaters.
Spores and two elaters of the liverwort Ptilidium.
Empis (Xanthempis) lutea, female feeding honeydew
Eobasileus (left) and Uintatherium (right)
Skull in the Field Museum
Restoration by Charles Knight
Model of Eotitanops (bottom) in comparison with various species of Megacerops
Bottle of ephedrine, an alkaloid found in ephedra
A 1798 printed broadside advertising the availability of a stallion for horse-breeding
modern Tatuidris tatusia worker
Euphorbia as a small tree: Euphorbia dendroides
Euphorbia milii
Euphorbia false-flower
Detail of poinsettia flowers and immature fruits
An old Euphorbia hybrid
Euphorbia obesa
Simplified diagram of relations in subtribe Euphorbiinae
Distribution of the least chipmunk
Least chipmunk
F. accreta worker, with cocoons
F. integroides worker
Fornax Chemica can be seen below Cetus in this card from Urania's Mirror (1825).
The constellation Fornax as it can be seen by the naked eye.
Four globular clusters in Fornax.[60]
The Hubble Ultra Deep Field seen with MUSE.[61]
A photograph of the head of a tsetse illustrating the forward pointing proboscis
A photograph of the head of a tsetse illustrating the forward pointing proboscis
A photograph of the whole body of a tsetse illustrating the folded wings when at rest
A photograph of the whole body of a tsetse illustrating the folded wings when at rest
A photograph of the wing of a tsetse illustrating the hatchet shaped central cell
A photograph of the wing of a tsetse illustrating the hatchet shaped central cell
A photograph and diagram of the head of a tsetse illustrating the branched hairs of the antenna's arista
A photograph and diagram of the head of a tsetse illustrating the branched hairs of the antenna's arista
Glossina palpalis and G. morsitans from a 1920 lexicon
Cows dead from rinderpest in South Africa, 1896
Serengeti National Park, Tanzania
Tsetse fly from Burkina Faso
Trypanosomes in a blood smear
Tsetse fly from Burkina Faso
Tsetse trap
G. kohlsi paratype
Ponderosa forest near Forest Lakes, Arizona
Pinyon jay in flight
H. gregarius
Skull
Miriholcorpa forcipata holotype, a Middle Jurassic scorpionfly
Humulus
H. improssopunctatus
Hylobius abietis
Holotype BMNH M16336
Restoration by Heinrich Harder
Ilex paraguariensis
Hollies (here, Ilex aquifolium) are dioecious: (above) shoot with flowers from male plant; (top right) male flower enlarged from female plant; (lower right) female flower enlarged, showing stamen and reduced, sterile stamens with no pollen.
Traditional Christmas card with holly and mistletoe. Circa 1880s
The underside of a fertile frond of Dicksonia antarctica. Each circular brown structure is an individual sorus.
Janus
Different depictions of Janus from Bernard de Montfaucon's L'antiquité expliquée et représentée en figures
The temple of Janus with closed doors, on a sestertius issued under Nero in 66 AD from the mint at Lugdunum
A bronze as from Canusium depicting a laureate Janus with the prow of a ship on the reverse
The traditional ascription of the "Temple of Janus" at Autun, Burgundy, is disputed.
A cylinder seal depicting the gods Ishtar, Shamash, Enki, and Isimud, who is shown with two faces (circa 2300 BCE)
Iasos
Interior of bouleuterion
View of agora from bouleuterion
Ruins on the agora, possibly from the basilica
Portico on eastern side of agora, looking south
Sanctuary of Artemis Astias
Male slate-colored junco (Junco hyemalis hyemalis)
Male and female Junco hyemalis
Oregon junco
Pink-sided junco
Gray-headed junco
Fledgling pink-sided junco (Junco hyemalis mearnsi) at about 1 month after hatching, Yellowstone National Park.
Nest with eggs
Junco hyemalis in flight
A pink-sided junco in Elizabeth, Colorado
Kalmia
Kalmia microphylla
egg of a Lagopus
Willow ptarmigan
Rock ptarmigan
White-tailed ptarmigan
White-tailed ptarmigan
A red grouse (Lagopus lagopus scotica) in the Yorkshire Moors of England
An individual with late summer plumage blends into subalpine tundra
Lasius
Lasius niger, queen, workers, and eggs
Lasius flavus
Carrie Fisher reprised the role of Leia in Star Wars: The Force Awakens in 2015.
Princess Leia cosplay (Star Wars Celebration in Anaheim, California, April 2015)
File:Amsterdam Women's March L1003135-Edit (32399726686) (cropped).jpg
Protest sign from the Amsterdam Women's March in 2017 reading "A Woman's Place is in the Resistance" over a photograph of Princess Leia.
Actress Olivia Munn cosplaying in the iconic Princess Leia "metal bikini" slave outfit from Return of the Jedi (1983)
White-tailed jackrabbit in the snow at Seedskadee National Wildlife Refuge (Wyoming)
Running in Great Sand Dunes National Park
Black rosy finch
Sandia Peak - New Mexico
Female - Sandia Peak - New Mexico
Dried Fruits of Lindera neesiana Used as spice
(coll.MHNT)
Lindera umbellata
Linnaeus in the traditional dress of the Sami people of Lapland, holding the twinflower (Linnaea) that became his personal emblem (1853 portrait by Hendrik Hollander)
The leaves are under 1cm long, with a few shallow teeth on the upper half.
Linnaea borealis ssp. longiflora in the Mount Baker-Snoqualmie National Forest, Washington, U.S.
Linnaea borealis may form long-persisting clonal colonies
Rue Linnea Borealis, Cogne (Aosta Valley)
"Locusta testing in Nero's presence the poison prepared for Britannicus", painting by Joseph-Noël Sylvestre, 1876
Lycosa
Lycosa hawaiiensis carrying young
Lycosa narbonensis
Lycosa singoriensis
Lycosa tarantula, illustration
Lycosa godeffroyi carrying young
Flowering crabapple blooms
Ripe wild crab apples (Malus sylvestris)
Baskets of crab apples for sale in Connecticut in 1939.
Trunk of malus
Crabapple bonsai tree taken in August
Yellow-bellied marmot
Well-fed Marmota flaviventris standing, Ansel Adams Wilderness, CA
Female with nursing pup, Kamloops, British Columbia
Marmots eating trash left by backpackers at Trail Camp near Mount Whitney, CA
Megalictis
Restoration of M. arikarense
Female and male M. arikarense skulls
Messor
Dawn redwood foliage - note opposite arrangement
Eocene (Ypresian) age M. occidentalis branchlet
File:File:Metasequoia occidentalis.jpg
Metasequoia occidentalis
M. occidentalis cone with long, leafless stalk; early Paleocene, Alberta
Left upper and lower molar teeth
Long-tailed voles may reside near marshes growing hardstem bullrush (Schoenoplectus acutus)
Musca (as Apis) can be seen in the upper right of this extract from Bayer's Uranometria of 1603
The constellation Musca as it can be seen by the naked eye
The Coalsack Nebula can be seen as the large dark region near the top of the photo. It extends into the northeast of Musca. The vertical dark column in the lower right of the image is the Dark Doodad Nebula.
Skull, as illustrated in Merriam's Synopsis of the weasels of North America
Black-footed ferret at the Louisville Zoo
Black-footed ferret performing a weasel war dance
Black-footed ferret kits
Black-footed ferret chasing prairie dog.
Ferret in the wild, July 2008
Myrmica species cultivating aphids
Myrmica species workers drinking sugared water
Bottom view of N. pilipes, Agumbe Rainforest, India
Mature female (N. clavipes), Davie, Florida
N. clavipes web, Merritt Island National Wildlife Refuge, Florida
Australian golden silk orb-weaver (N. edulis) and a locust caught in its web.
N. pilipes female with many males
N. inaurata, Madagascar
Cape made from Madagascar golden orb-weaver spider silk, Victoria and Albert Museum, London[62]
Inskip Point, SE Queensland, Australia
Far Eastern curlews in Olango Island Group, Philippines.
Snowy owl
The engraving Snowy Owl, Plate 121 of The Birds of America by John James Audubon. Male (top) and female (bottom).
Juvenile Snowy Owl, about 12 weeks old
Adult Snowy Owl, Canada
Cross-section of a floating leaf of Nympheae alba, E1: upper Epiderm, E2: lower Epiderm, P: Palisade mesophyll, M: Spongy mesophyll, B: vascular bundle, I: intercellular, S: sclerenchyma
Nymphaea stellata
Blue lotus (Nymphaea caerulea) on an 18th Dynasty jar found at Amarna
Water Lilies by Claude Monet, 1906
This individual was at 603 m (1,978 ft) in Mount Baker-Snoqualmie National Forest.
The American pika's cryptic coloration helps it blend in with its environment in the Sierra Nevada.
Lepus (Lagomys) princeps print from original scientific text.
Slender glass lizard (Ophisaurus attenuatus)
Frontal view of skull
Orohippus
Osmanthus decorus
Female Rocky Mountain bighorn sheep (O. c. canadensis) in Yellowstone National Park
Paederus
Mandible of the type species P. minuta, from Schlosser 1888
Inferior view of Bunaelurus (=Palaeogale) from Matthew 1902
Tooth of Phenacodus and Palaeonictis
Mandible of P. eterrima
Panorpa
P. nuptialis
Skull of Patriofelis ulta
Pepsis
Pepsis wasp with prey
North American deer mouse range
Astragalus hamosus - MHNT
Pheidole mendicula
Skeleton of Phenacodus primaevus.
Restoration by Heinrich Harder
Flowering Lewis's Mock-orange (Philadelphus lewisii) in habitat
Mexican evergreen mock-orange, Philadelphus karwinskyanus
Japanese mock-orange, Philadelphus laxus
Hoary mock-orange, Philadelphus pubescens
Schrenk's mock-orange, Philadelphus schrenkii
Phyllobius virideaeris in copula
In Yellowstone Bear World (near Idaho Falls, Idaho)
Back view showing dark blue-green feathers
Scavenging the remains of a large animal carcass
At Seedskadee National Wildlife Refuge (Wyoming)
Platycheirus fulviventris male
Platycheirus peltatus male
Platycheirus clypeatus male
Platycheirus manicatus male
Platycheirus splendidus male
Platycheirus albimanus female
Platycheirus manicatus female
Platycheirus occultus female
Close-up of head, P. nearctica
Fossil of Poebrotherium sp. in CosmoCaixa Barcelona
Poebrotherium wilsoni skull in the Milan Natural History Museum
Right dentary dentition of a juvenile P. wilsoni from the White River Badlands.
Australian spotted crake (P. fluminea)
Egg of Baillon's crake (P. pusilla)
Differing plumages of male (left), female (center) and immature little crakes (P. parva)
Footage of the now-extinct Laysan rail (P. palmeri)
The enigmatic dark crake of the Big Island of Hawaiʻi is today included in P. sandwichensis
Sora foraging in water
Skeleton cast
Rhagio
Rhagio notatus, female
Rhagio scolopaceus
Rhagio sp.
Rhagio tringarius, male
Rhagio vitripennis
R. limbata
R. arcticus
R. odoratus
R. saxatilis
R. ellipticus var. obcordatus
R. ulmifolius
R. chamaemorus
R. phoenicolasius
R. hirsutus
R. caesius
R. parviflorus
R. idaeus
R. fruticosus
R. laciniatus
R. hawaiensis
R. spectabilis var. spectabilis
Commercially produced R. strigosus raspberries
R. rosifolius
Flowers of European black elder
Sambucus canadensis showing the complex branching of the inflorescence
Sambucus canadensis showing the inflorescence
Sambucus javanica
Elderberry cultivation in Austria
Dried elderberries ready for steeping
Male and female Sassafras albidum flowers. The male flower is on the right; the female is on the left. The male flower has nine stamens (one partially obscured), while the female has a central pistil.
Fossil Sassafras hesperia leaf from Early Ypresian, Klondike Mountain Formation, Washington, USA
S. albidum is a host plant for the spicebush swallowtail.
Male with blue sides
Camouflaged by tree
Eastern fence lizard (Sceloporus undulates) Amelia Court House, VA
Eastern fence lizard (Sceloporus undulatus) with turquoise markings
Eastern fence lizard egg
Scolytus scolytus
Bluebird
S. obscura
Map showing the Roman empire in AD 125 and contemporary barbarian Europe, showing two possible locations of the Sitones. One, based on Tacitus, places them in Central Sweden. Another view places them roughly in modern Estonia and/or Finland.
The red-breasted nuthatch is said to have a call like a tin trumpet.
Open ponderosa pine woodlands are a habitat for pygmy nuthatch.
Cross-section of a western rock nuthatch nest cavity with a mud wall and tunnel across its entrance.
The great spotted woodpecker is a serious predator of Eurasian nuthatch nests.[63]
Eurasian nuthatch on a garden bird feeder
White-breasted nuthatch, common in much of North America
White-breasted nuthatch
Tail displayed S. c. carolinensis
Deciduous woodland is the preferred habitat in the northeast
An adult at nest entrance, feeding its nestlings.
Feeding sequence
Feeding on Suet
Bird feeders provide a supplementary source of food
Spermophagus sp.
Fossil specimen
Exhibiting territorial behavior
Eating a dandelion
In a suburban environment
Sterculia
S. setigera, dry capsules and seeds – MHNT
S. pruriens, wood texture – MHNT
Panama tree, S. apetala
Bust of unnamed Stratigos with Corinthian helmet; Hadrianic Roman copy of a Greek sculpture of c. 400 BC
The insignia of a full Stratigós of the Hellenic Army.
Image by Harold Maxwell-Lefroy - Life history of Syrphus
Flying in Central New York, US
Mating
Nesting
Tenor voice range (C3–C5) notated on the treble staff (left) and on piano keyboard in green with dot marking middle C (C4). Note that the numeral eight below the treble clef indicates that the pitches sound an octave lower than written: see Clef#Octave clefs. This is the standard clef for tenor parts in scores.
Thamnophis elegans terrestris with dark coloring
Thomisus
male Thomisus kitamurai from Japan
female Thomisus okinawensis
South African species of Thomisus in ambush on Lavandula, by a flower too small for her to occupy
South African species of Thomisus disturbed on Lavandula inflorescence
female T. labefactus
Sapindaceae
Dodonaea viscosa flowers
Rambutan fruits.
Alupag, Dimocarpus didyma fruits
Location of Tingis in Roman Mauretania Tingitana
Triumfetta
Triumfetta pentandra
Triumfetta semitriloba
Trox
Worldwide vetch yield
Hungarian vetch (V. pannonica) is often grown for forage.
4-Chloroindole-3-acetic acid (4-Cl-IAA), a phytohormone found in several vetches
Leucoagglutinin, a toxic phytohemagglutinin found in raw Vicia faba
The branched tendrils of black vetch (V. nigricans) help to distinguish it from other species.
Vicia amoena
Kashubian (Danzig) vetch (V. cassubica)
Vicia grandiflora
Pea-flowered vetch (V. pisiformis)
Vicia tenuifolia ssp. dalmatica
The Villa Medici in Fiesole with early terraced hillside landscape: by Leon Battista Alberti
The Getty Villa, an adaptation of the Villa of the Papyri, in Pacific Palisades, Los Angeles
Model of Fishbourne Roman Palace, a governor's villa on the grandest scale
The Villa di Medici by Giuliano da Sangallo-1470: Poggio a Caiano, Tuscany
Villa di Pratolino with lower half of the gardens: by Giusto Utens-1599. Museo Topografico, Florence.
Villa Doria Pamphili, Rome
Villa "Sea Greeting" (Meeresgruss) in Binz, Rügen Island - a typical villa in 19th-century German resort architecture style
Aerial view of giant "villa colonies" (Villenkolonien) in Dresden, Germany: Gründerzeit quarters of Blasewitz (incl. Tolkewitz and Striesen), Gruna and Johannstadt.
Typical Villa in Graz, Austria
Example of Modern architecture villa in Sicily, Italy
Heritage villas: late 19th century, Auckland, New Zealand
Viburnum grandiflorum
Weinmannia blumei
Xantholinus glabratus
Xylocopa caerulea, Blue Carpenter Bee, robbing nectar
Carpenter bee
Zamia furfuracea leaves
Shell of Argopecten irradians from Bermuda Islands at the Museo Civico di Storia Naturale di Milano
Range of Sinitrofulgur perversum
Live lightning whelk on the beach at Core Banks, North Carolina
Abapertural view of a shell of Sinistrofulgur perversum
Sinistrofulgur perversum egg cases.
A long string of egg cases also known as a "mermaid's necklace" on display in a museum
Busycotypus canaliculatus
A school of small, slim-bodied, silvery fish
Southern African pilchard are the most important prey species of copper sharks off South Africa.
The copper shark is often caught by recreational anglers.
A Caribbean reef shark surrounded by jacks.
Numerous Caribbean reef sharks attracted to a bait ball.
Several Caribbean reef sharks being fed at a "shark feed" in the Bahamas.
A blacktip shark swimming in murky water off Oahu, Hawaii
Blacktip sharks are social and usually found in groups.
The blacktip shark usually poses little danger to divers.
A Caribbean reef shark cruising over a coral reef in the Bahamas.
Fossil valves of Cerastoderma edule from Pliocene of Italy
Common slipper shell
10 fresh shells of Crepidula fornicata
Jackknife clam, cooked, valves open
François Perrier's The Sacrifice of Iphigenia (17th century), depicting Agamemnon's sacrifice of his daughter Iphigenia
Iphigenia as a priestess of Artemis in Tauris sets out to greet prisoners, amongst which are her brother Orestes and his friend Pylades; a Roman fresco from Pompeii, 1st century AD
Iphigenie (1862) by Anselm Feuerbach
Mactra glauca
Left valve interior of Mercenaria mercenaria
Fossil shell of Mercenaria permagna. Pleistocene of United States
Left valve interior of Mercenaria mercenaria.
An old quahog shell that has been bored (producing Entobia) and encrusted after the death of the clam
Steamed clams
Raw top neck clams in New Jersey.
A beachworn right valve of Petricolaria pholadiformis, from Wales
Jaws
Teeth
21 ton whale shark caught in China in 2008
Whale shark filtering plankton in Maldives
A whale shark in the Philippines with remoras
In Oslob, Philippines, whale sharks are fed shrimp to return every morning for tourists and divers.
Swimming alongside an adult free diver
Aquarium photograph of whale shark in profile with human-shaped shadows in foreground
A whale shark in the Georgia Aquarium
Snorkelling with whale shark near Isla Mujeres (Mexico) 30 August 2011
Jaw
Stewartia koreana - MHNT
S. bariensis skull
Partial skull
Premolar
1840 illustration
Cooper's hawk
Video: Accipiter cooperii
Comparison of a male Cooper's hawk (left) with a female sharp-shinned hawk (right)
Immature Cooper's hawk in winter
Typical fall foliage in red maple country.
Red Maple leaf from specimen in northern Florida
Immature foliage of Acer rubrum (Red Maple)
Drawing showing male and female flower, leaf and samara
Samaras from a specimen in Milford, New Hampshire
Female flowers
Male flowers
Acer × freemanii 'Jeffersred' in Toronto
Mature bark, at Hemingway, South Carolina
Specimen showing variation of autumn leaf coloration
A bottle of maple syrup
Male calling and entering amplexus
'Acropora cervicornis, Bonaire, 2007, notice the "stems" reacting to a disease.
Acropora palmata afflicted with white pox disease, Molasses Reef, Florida Keys, in March 2008
Eggs, Collection Museum Wiesbaden
Northern saw-whet owl
Three juveniles in Oregon, United States
Spotted eagle rays are social and often occur in groups. Three individuals off Belize
The silvertip shark is a predator of the spotted eagle ray.
An eagle ray searching the bottom for food at Curaçao, Netherland Antilles
Nest with eggs
Agitated male
male red-winged blackbird hectoring an osprey
Perched display
The "perched display", with wings held away from the body, is an agonistic behavior of the red-winged blackbird.
A. piscivorus, neonate; note the yellow tail tip.
Distribution: Blue = A. p. piscivorus; Red = A. p. conanti, Green = A. p. leucostoma, Gray = intergradation[64]
A cypress swamp in Big Cypress National Preserve, south Florida
A. p. piscivorus – gaping is part of the typical threat display.
A. p. piscivorus, light-colored adult
The effects of central fusion and terminal fusion on heterozygosity
The effects of central fusion and terminal fusion on heterozygosity
Wood duck in flight
Wood duck
Lifting off to fly
Close up of male head
In Central Park, New York, USA
Adult with two juveniles on a nest
Alligator
A rare albino alligator swimming
American alligator showing teeth
Alligator prenasalis fossil
American alligator skull
The snout of an American alligator
X-ray video of a female American alligator showing contraction of the lungs while breathing
American alligator (right) and American crocodile (left) at Mrazek Pond, Florida
A young American alligator preying on a bullfrog
American alligator in the Everglades
American alligator eating a crab.
Nest and young in Florida
Young American alligator swimming, showing the distinctive yellow striping found on juveniles
Defensive American alligator with mouth open
Man wrestling American alligator
Fossil of Alosa elongata
Shad roe
Alveopora spongiosa
Bowfin activity in an aquarium.
Diagram showing fins and eyespot of a bowfin. USFW&S
Drawing of a bowfin skull showing the bony plates protecting the head
Lateral view of a Bowfin skull. The dermal bones that are seen are composed of dermatocranium and cover the chondrocranium which is present but is located underneath the layer of dermatocranium. This specimen came from the Pacific Lutheran University Natural History collection.
The lower figure is a skeleton of the bowfin. The pelvic and pectoral girdles are both visible and the axial and cranial elements are also both present.
Dissection of a bowfin Swim bladder.
Three divisions of Neopterygii comprising Lepisosteiformes, Amiiformes, and Teleostei
The gill rakers are short with blunt processes and with a small space in between them. They are connected to the gill arch of the gills.
Amia calva distribution in the eastern U.S., as well as from the St. Lawrence River and Lake Champlain drainage of southern Ontario and Quebec, westward around Great Lakes in southern Ontario into Minnesota
Lernaea, or anchor worm, on a Murray cod. The same parasite also attacks bowfin.
A man with a freshly caught bowfin
Northern pintail female wingspan
Northern pintail male in flight
Northern pintail female
Male in river Ljubljanica, Slovenia
Non-breeding males wintering in India
Breeding pair
Egg, Collection Museum Wiesbaden
Up-ending to feed (male on right)
Male preening
Male flying above Seedskadee National Wildlife Refuge in Wyoming
Female
Female Spatula cyanoptera septentrionalium
Male (left) and female
Male
Blue-winged teal
Males and a female, Richmond, British Columbia
In flight, Ladner, British Columbia
Males in Sarpy County, Nebraska
Mottled duck
Florida subspecies
A female American black duck (top left) and a female mallard (bottom right) in eclipse plumage
American black duck
A female with a dull green beak
Anas rubripes female, Hudson River, New Jersey, USA
Chart showing differences between the American black duck and the female mallard
Female and male dabbling, WWT London Wetland Centre, Barnes
M. sejunctus front and back feet (right) and M. sphenodus lower jaw fragment
Florida softshell turtle (Apalone ferox) close-up.
Close-up of head of A. ferox.
Juvenile Florida scrub jay developing adult coloration
Juvenile Florida scrub jay
Grey-necked wood rail
A grey-necked wood rail feeding on seeds
A wading grey-necked wood rail
Limpkin performing a wing-stretch
Limpkin with an apple snail (Pomacea)
Limpkin searching underwater for food
Juvenile limpkin
Limpkin chicks with parents
Test of a Arbacia lixula.
Shell of Argopecten irradians from Bermuda Islands at the Museo Civico di Storia Naturale di Milano
Arius
Short-eared owl (Asio flammeus) in Mangaon, Maharashtra, India
Asio flammeus flammeus from Pangolakha Wildlife Sanctuary in Sikkim from 13,500 ft near Lungthu. Such high altitude distributions can be found in Himachal Pradesh and Ladakh area of Higher Himalayas as well.
In Texel, North Holland, Netherlands
On the Galapagos Islands, Ecuador
Short Eared Owl in its habitat. Notice how it chooses short shady trees to roost under, in a grassland/ desert habitat.
Egg, Collection Museum Wiesbaden
In flight
In flight
In Piraju, São Paulo, Brazil
Atractosteus africanus fossils
Egg, Collection Museum Wiesbaden
Flock feeding in Tokyo bay, Japan
Photograph
Drake with a leg ring in North Carolina
Greater scaup decoys, male on the left and female on the right. Each is attached to a lead weight.
Canvasback
Fossil of Balaenoptera acutorostrata cuvieri from Pliocene of Italy
Skeleton of the Common minke whale
Minke whale in the Saguenay–St. Lawrence Marine Park, showing the blowholes and dorsal fin at the same time
Minke whale in the Gulf of St. Lawrence showing scars perhaps caused by killer whales
Minke whale's size relative to a Zodiac off Tadoussac
Dwarf minke whale showing prominent white flipper and shoulder blazes, the light gray thorax patch, and the various dark gray dorsal fields
View of a common minke whale underwater, showing the diagnostic white flipper band
Whale penis (Balaenoptera acutorostrata)
Common minke whale breaching off the Azores
Norwegian minke whale quotas (blue line, 1994–2006) and catches (red line, 1946.2005) in numbers (from Norwegian official statistics)
Common minke whale breaching in the St. Lawrence River near Tadoussac, Quebec
Bay barnacles in the Sea of Azov, Ukraine
Live barnacles on a shell with the small hermit crab (Diogenes pugilator)
Basiliscus
Cap Bon, in modern Tunisia is the place where the Roman fleet led by Basiliscus landed to launch an attack upon the Vandal capital of Carthage.
Tremissis issued by Emperor Zeno. Zeno, whose original name was Tarasicodissa, was of Isaurian origin, and thus considered a "barbarian" and not loved by the people of Constantinople. Basiliscus successfully exploited his unpopularity to get the purple for himself, only to become unpopular in his turn, mainly for his religious belief.
Lindera melissifolia
Pondberry flowers
Apical, apertural and umbilical view of the shell of Biomphalaria tenagophila. Scale bar is 3 mm.
Northern short-tailed shrew
B. c. constrictor
Head shape of B. c. imperator
Juvenile South American boa constrictor
A boa constrictor in Belize
A juvenile female boa constrictor in a shed cycle, note the blue "opaque" eyes
Captive boa constrictor strike-feeding on large (already dead) rat
A vivarium
illustration Boa constrictor eques (Eydoux & Souleyet 1842), synonymized into B. c. imperator
American bittern
American bittern, Nisqually National Wildlife Refuge
For sale in a Japanese supermarket, 2014
Ponds along Attikamek Trail at Sault Ste. Marie Canal
Oak toad
Adult male (left), female (right). Note the sharply contrasted ventral surface, the vocal sac on the male's throat, and the female's larger size.
Oak toad tadpole
Smallest toad species in North America.
An apertural view of the shell of Bulimulus dealbatus[65]
Apertural view of Bursa rhodostoma thomae (d’Orbigny, 1847) with operculum.
Knobbed whelk
Knobbed whelk shells
Whelk egg case
Range of Sinitrofulgur perversum
Live lightning whelk on the beach at Core Banks, North Carolina
Abapertural view of a shell of Sinistrofulgur perversum
Sinistrofulgur perversum egg cases.
A long string of egg cases also known as a "mermaid's necklace" on display in a museum
Sinistrofulgur sinistrum
Museum specimen of egg capsules of Sinistrofulgur sinistrum
Busycotypus canaliculatus
Red-shouldered hawk taking flight at Green Cay Wetlands, Florida
A pair of red-shouldered hawks. Painted by John James Audubon.
Broad-winged hawk at Isle Royale National Park
Rufous-morph bird in Hereford, Arizona, on its way to the pampas
Subspecies B. v. maculata
"Green heron" by John J. Audubon
Red knot
Large flocks of C. c. islandica winter in the coastal marshes of Britain, along with other waders. The Wash, Norfolk
Nonbreeding adult
Calidris canutus MHNT
Large numbers of brown, white and reddish birds dip their heads into shallow water behind the carapace of a large crab-like creature
Red knot feeding on horseshoe crab eggs in Delaware Bay
Montage showing the morphological variation of the dog.
Lateral view of skeleton.
"Five different types of dogs," c. 1547.
Montage showing the coat variation of the dog.
A Golden Retriever with a golden shade of coat. Shades of coat colors can vary within breeds of dogs. For example, some Golden Retrievers have light, almost cream colored coats, and others may have dark, brownish shades of coat. [66]
A mixed-breed terrier. Mixed-breed dogs have been found to run faster and live longer than their pure-bred parents (See heterosis)
Dog nursing newborn puppies
A feral dog from Sri Lanka nursing her four puppies
The Saarloos wolfdog carries more gray wolf DNA than any other dog breed[67]
Golden Retriever gnawing a pig's foot
Cavalier King Charles Spaniels demonstrate different colored coats within the one breed
Gunnar Kaasen and Balto, the lead dog on the last relay team of the 1925 serum run to Nome.
Siberian Huskypack animal
Couple sitting on the lawn with a pet British Bulldog
A British Bulldog shares a day at the park.
Green velvet dog collar, dates from 1670 to 1690.
Dogs come in a range of sizes.
Gaegogi (dog meat) stew being served in a Korean restaurant
Small dog laying between the hands
A human cuddles a Doberman puppy.
Spread of Seuso, dogs at Lake Balaton
A painting of Saint Dominic carrying the Dominican Rosary, with a dog bearing a torch, at his side
Decameron hunting scene, Davide Ghirlandaio, c.1485 Brooklyn Museum
Figure of a Recumbent Dog, China, 4th century, Brooklyn Museum
some ancient stone ruins of buildings in a sandy area
Building J (foreground) at Monte Albán
photograph of night sky above a dimply-lit horizon
Annotated night sky image showing Auriga and the Pleiades – Capella is the brightest star, towards top left
two large pale yellow circles and three small circles on black background. They denote the two giants, and Sun and two dwarfs of the Capella system.
Capella components comparison with the Sun
Hertzsprung Russell diagram showing Capella Aa and Ab
H-R diagram show an evolutionary track for a star of approximately the mass of the two Capella giants. The current states of Capella Aa and Ab are marked.
Giant trevally, C. ignobilis, the largest fish in the genus
Caranx gracilis of the Oligocene from the Romanian Eastern Carpathians
A school of Pacific crevalle jack, Caranx caninus in Panama
Crevalle jack
Several crevalle jacks over a reef in Florida
A school of crevalle jack swarming around a Caribbean reef shark
Claspers (external male copulatory parts) of a young Carcharhinus brevipinna
The spinner shark is valued by both commercial and recreational fisheries.
Photo of bull shark in shallow water
Bull shark (Bahamas)
A blacktip shark swimming in murky water off Oahu, Hawaii
Blacktip sharks are social and usually found in groups.
The blacktip shark usually poses little danger to divers.
Upper teeth
Lower teeth
Sandbar shark caught in the Atlantic.
a small, big-eyed gray shark lying on its side on a piece of wood
A juvenile night shark; after birth young sharks grow quickly, thereby reducing their risk of predation.
Diagram indicating the differences between C. taurus and O. ferox
Annual movements of sand tiger sharks off South Africa and Australia
A bottom-living smooth-hound shark, one of the important prey items of sand tiger sharks
Growth curve for sand tiger sharks in the north Atlantic
Sand shark in the Newport Aquarium
Male Northern Cardinal in Manhasset, NY
The male often feeds the female as part of their courtship behavior.
Female cardinal eating a katydid, Missouri Ozarks
Male cardinal at feeder
A male Northern Cardinal feeding on a bird feeder
Photo of the carapace of a loggerhead sea turtle.
The carapace of this loggerhead is reddish brown; five vertebral scutes run down the turtle's midline bordered by five pairs of costal scutes.
A map of the range of a loggerhead sea turtle covering the Atlantic, Pacific, and Indian Oceans, and the Mediterranean Sea
Range of the loggerhead sea turtle
A loggerhead sea turtle resting under a rock with its eyes open
A resting loggerhead sea turtle
Translucent moon jelly on black blackground: The jelly contains a solid white mass extending through about two-thirds of its body
An adult Aurelia jellyfish which loggerheads eat during migration through the open sea
A horned ghost crab (Ocypode ceratophthalma) preying on a loggerhead hatchling in Gnaraloo, Western Australia. Ghost crabs are one of the chief causes of egg and hatchling mortality in sea turtles.[68][69][70]
A red fox walking along a fallen tree
The red fox is a predator of loggerhead nests in Australia.
Hatchling running to sea
Photo of a loggerhead swimming above a reef
A mature loggerhead sea turtle
Loggerhead turtle track on a beach
A female loggerhead sea turtle from the back, laying eggs into the hole it has dug
A loggerhead sea turtle laying eggs
An orange diamond sign with the words "Loggerhead Turtle Nesting Area" is blocking off a roped-off area on the beach where a loggerhead has laid eggs.
Loggerhead sea turtle nest roped off as part of the Sea Turtle Protection Project on Hilton Head Island
A loggerhead sea turtle escapes a circular fisherman's net via a TED
Loggerhead sea turtle escapes from fishing net through a turtle excluder device
In this Carex panicea, the upper spike contains male flowers, and the lower spike contains female flowers.
In flight
Spearing a fish
Cassis
Calanque de Port-Miou
Port-Miou calanque in Cassis
View of Cassis
Emperor/Queen Helmet Snail in the wild.
Cameo by Ascione manufacture, 1925, Naples, Coral and Cameo Jewellery Museum.
Fossil valves of Cerastoderma edule from Pliocene of Italy
50 second video of snails (most likely Natica chemnitzi and Cerithium muscarum) feeding on the sea floor in the Gulf of California, Puerto Peñasco, Mexico
Eggs in a nest on the ground
Parent protecting small chicks by performing a distraction display to draw attention to itself away from the nest
Drawing of turtle carapace and plastron showing respectively, vertebral, costal, marginal, and supracaudal and intergular, gular, pectoral, abdominal, humeral, femoral, anal, axillary (anterior inframarginal), and ingiunal (posterior inframarginal) shields
Scalation of carapace and plastron
Taxidermied shell a Chelonia mydas
Photo of turtle swimming towards surface with diver in background
About to break the surface for air at Kona, Hawaii
Turtle swimming toward surface
Swimming, Hawaii
Green sea turtle grazing on seagrass
Photo of newly hatched turtle held in human hand
Hatchling
Black-and-white photo of several turtles set on their backs
Harvested green turtles on a wharf at Key West, Florida
Photo from front of swimming turtle
In a public aquarium
A poached green turtle in Costa Rica
At the Osaka Aquarium, profile photo of turtle resting on bottom
Common snapping turtle
Skull
Illustration from Holbrook's North American Herpetology, 1842
A snapping turtle's eggs
Political cartoon depicting merchants attempting to dodge the "Ograbme"
Head
Woolly-necked stork Ciconia episcopus
Circus
Sells Brothers Circus with Great Danes
Video of a circus from 1954.
Astley's Amphitheatre in London c.1808
Trapeze artists, in lithograph by Calvert Litho. Co., 1890
Circus parade around tents, in lithograph by Gibson & Co., 1874
Lion tamer, in lithograph by Gibson & Co., 1873
Painting by Venezuelan Arturo Michelena, c. 1891, depicting a backstage area at the circus
Cirque du Soleil performing Dralion in Vienna, 2004
Ticket Sale of Sirkus Finlandia in Jyväskylä, Finland
Fire breathers risk burns, both internal and external, as well as poisoning in the pursuit of their art.
Female lion tamer and leopard.
Elephants from Cole Brothers Circus parade through downtown Los Angeles, 1953
gorillas horse act
Elephant act at a 2009 circus in Pachuca, Hidalgo, Mexico. In December 2014, as a response to reports of animal mistreatment, the Mexican Congress passed a law banning the use of animals in any circus in the country.[71] The law set fines for violations and required circuses to submit lists of the wildlife they possessed, which would then be made available to zoos interested in taking the animals.[71]
Circus building
Paper postcard of the Old Kharkov Wood Circus
The Circus, by Georges Seurat, painted 1891. Original in Musée d'Orsay, Paris.
Circus seals
Bird in flight at an altitude over 12,500 ft in Pangolakha Wildlife Sanctuary in East Sikkim district, India in the month of November
Eggs, Collection Museum Wiesbaden
Sedge wren
Sedge wren in tall vegetation
Cladocora
Female
Egg, Collection Museum Wiesbaden
Mother and six ducklings in Iceland
In flight
Adult, Indialantic, Florida
Comparison of black-billed cuckoo and yellow-billed cuckoo
An illustration of a Colpophyllia natans colony.
Conepatus humboldtii
Hog-nosed skunk
A hog-nosed skunk skeleton on exhibit at the Museum of Osteology, Oklahoma City, Oklahoma
Cythara
Conasprella delessertii (Récluz, C., 1843)
Apertural view of Conus patricius.
Apertural view of a shell of Coralliophila mira
Composite image of fish crows
Fish crow eating an egg
specimen at AMNH
10 fresh shells of Crepidula fornicata
Common slipper shell
C. adamanteus, Saint Louis Zoological Park
Detail of rattle
C. adamanteus
In the Universeum Science Park, Gothenburg, Sweden
C. adamanteus showing one of its venomous fangs, Louisville Zoo, Louisville, KY
Crucibulum
Inula helenium
Inula oculus-christi
Ploughman's-spikenard (Inula conyzae)
F. c. columbarius hunting a northern blue jay (Cyanocitta cristata bromia), Mount Auburn Cemetery, Massachusetts, United States
Juvenile at the Cincinnati Zoo
Its black bill is useful in distinguishing the trumpeter swan from other species
Plate 406 of the Birds of America by John James Audubon, depicting the trumpeter swan
Approximate summer range of the three regional populations of trumpeter swans in North America
In winter, they may eat crop remnants in agricultural fields, but more commonly they feed while swimming
Trumpeter swan brood
Three flying in Missouri
Wintering in British Columbia
Mated pair on a lake, Kenai National Wildlife Refuge, Alaska
Adult and three juvenile trumpeter swans on the shore of Woods Lake, near Oyama, British Columbia
Skull of C. peruvianus at the MNHN, Paris
Cyphoma signatum
Flamingo tongue on a sea rod
Fossil of Cypraecassis pseudocrumena from Pliocene of Italy
Daedalochila uvulifera.

Chicken turtle
Adult chicken turtle laying eggs, Florida
Large adult chicken turtle, Florida
Skeleton, Natural History Museum of Genoa
Dentition, as illustrated in Knight's Sketches in Natural History
The opposable "thumb" on the back foot
Opossum considers a bagel, but walks away
Pacing diagram for Virginia opossum - key: rectangles represent hind tracks, ellipses are fore tracks, left tracks are red, right are green. (a) the position of the four feet frozen in mid-pace. (b) the opossum brings right fore and hind feet forward. (c) the opossum brings left fore and hind feet forward. One grid square represents one square inch.
Opossum tracks (photo center) in mud: Left-fore print appears on left center of photo, right-hind print appears right center. The small, circular tracks at bottom center of photo were made by a meadow vole. The yellow ruler (top) is in inches.
When injured or threatened, the Virginia opossum is well known for attempting to fake death or "play possum", as seen in this photo.
Carrying its young
Juvenile opossum in Minnesota hissing defensively.
Virginia opossum in northeastern Ohio
Virginia opossum inhabiting a piano in Houston, Texas, shortly before its release
Grooved brain coral, Caribbean Sea, Vieques, Puerto Rico
Grooved brain coral with black band disease in Caribbean Sea, Bahia de la Chiva, Puerto Rico
Southern lapwing with youngster under wings
Southern lapwing chick
Nest of V. c. lampronotus with small clutch
Drymarchon melanurus erebennus
The sea potato, Echinocardium cordatum, is the favored echinoid prey of S. granulata in the Mediterranean.[72]
Little egret Egretta garzetta in Kolleru, Andhra Pradesh, India
White-faced heron, Egretta novaehollandiae with a frog
A black rat snake, Chatham County, North Carolina
Showing "kinked" threatened posture
Raiding a bluebird birdhouse
Mating while climbing a tree
Cliff chirping frog, Eleutherodactylus marnockii
Jackknife clam, cooked, valves open
Jackknife clam
Equetus
Juvenile jack-knifefish, Equetus lanceolatus
Jack-knifefish, Equetus lanceolatus
Spotted drum, Equetus punctatus
Claw of Eremotherium eomigrans at MUSE - Science Museum in Trento
Hawksbill sea turtle
Photo from above of swimming turtle, with four outstretched flippers and faceted shell
Carapace's serrated margin and overlapping scutes are evident in this individual
Profile photo of animal head with prominent beak protruding above lower jaw, a faceted head covering surrounds the eye
Close-up of the hawksbill's distinctive beak
This world map shows concentrated nesting sites in the Caribbean and northeast coast of South America. Many other sites are spread across South Pacific islands, with other concentrations in the Red Sea and Persian Gulf, China's East coast, Africa's southeast coast and Indonesia.
Another model of the possible distribution of E. imbricata: Red circles represent known major nesting sites. Yellow circles are minor nesting sites.
Photo of swimming turtle with extended head
E. imbricata in a coral reef in Venezuela
Photo of swimming turtle
Young E. imbricata from Réunion Island
A female hawksbill turtle laying eggs on beach at Mona island, Puerto Rico
Hawksbill baby turtle in Paulista, Pernambuco, Brazil
Photo of small turtle walking across sand
Hawksbill hatchling in Puerto Rico
Fanciful drawing showing seven turtles, with a variety of carapaces and body shapes
Hawksbill sea turtle (top right) in a 1904 plate by Ernst Haeckel
Photo of dish
Palauan women's money (toluk)
Photo of turtle swimming in shallow, green water
A hawksbill sea turtle in Tobago
A specimen at the National Aquarium in Baltimore.
Lamarck's original description of Cidarites tribuloides (Eucidaris tribuloides), ca. 1816.
A specimen dried for preservation.
Adult flying in Huntington Beach State Park, South Carolina, United States
An American white ibis at Riverside Park, Jacksonville, Florida
Adults in shallow water at Merritt Island National Wildlife Refuge near the Atlantic coast of Florida
Adult American white ibis on pavement outside of Orlando, FL.
American white ibis in a neighborhood pond in Tampa Bay, Florida
Birds roosting in a tree near to St. Johns River, Florida
Juvenile in Everglades National Park. Some of its brown feathers have molted and have been replaced with white feathers.
Juvenile in Florida
Adult eating a fish
Video of adults foraging on Bonita Beach, Bonita Springs, Florida, United States
Adults foraging for food in a front garden in Florida
Euglandina rosea from W. G. Binney, 1878.[73]
Left to Right: Euglandina rosea (2 specimens), Euglandina rosea bullata, and Euglandina vanuxemensis. from W. G. Binney, 1878.[74]
Euglandina rosea from NW Florida
Eulithidium affine
Eulithidium bellum
Plestiodon fasciatus on boardwalk at Francis Beidler Forest
Detail of head
Subadult with partly regrown tail pictured in parkland in Memphis, Tennessee
Closeup of the Skink's face
European subspecies aesalon. Adult male (front) and female (behind)
Presumably coastal forest merlin (F. c. suckelyi), Potter Marsh, Anchorage (Alaska, United States)
Male (presumably F. c./a. pallidus) wintering in Little Rann of Kutch (Gujarat, India)
Juvenile, F. c. columbarius
Upperside pattern of male (presumably F. c./a. pallidus) wintering in Little Rann of Kutch, Gujarat, India
Falco columbarius egg
Nestlings
A male smyril is featured on this Faroese stamp by Edward Fuglø
Hunter with trained merlin, Jandari Lake, Georgia, November 1979
Eastern mud snake, Pasco County, Florida 2011
Venter
Anerythristic eastern mud snake, Florida
Favia sp., Pulau Aur, West Malaysia
Variegated fig
Bud
Leaves and immature fruit
Mountain fig tree in Zibad
"Schiocca": calabrian dried figs
Fresh figs
Dried figs
Figs in various stages of ripening
The Expulsion from the Garden of Eden showing Adam and Eve with and without fig leaves, by Masaccio, 1426–27
Map of Florida, likely based on the expeditions of Hernando de Soto (1539–1543).
St. Augustine is one of oldest cities in Florida, established in 1565. The Spanish-Floridan color scheme of red and white is repeated throughout downtown.
The Castillo de San Marcos. Originally white with red corners, its design reflects the colors and shapes of the Cross of Burgundy and the subsequent Flag of Florida.
Grenadiers led by Bernardo de Gálvez at the Siege of Pensacola. Painting by Augusto Ferrer-Dalmau, 2015.
A contemporaneous depiction of the New River Massacre in 1836
A Cracker cowboy, 19th century.
The Battle of Olustee during the American Civil War, 1864.
A topographic map of Florida.
Köppen climate types of Florida
Florida and its relation to Cuba and The Bahamas.
An alligator in the Florida Everglades.
The beaches of Key Biscayne in Miami.
Florida's population density
A map of Florida showing the 67 county names and boundaries.
Predominant ancestry in Florida in 2010
Cuban men playing dominoes in Miami's Little Havana. In 2010, Cubans made up 34.4% of Miami's population and 6.5% of Florida's.[75][76]
20% of Floridians speak Spanish, the second-most widely-spoken language.
Miami Cathedral of Saint Mary. Roman Catholicism is the largest single religious denomination in the state.
Florida Capitol buildings
Treemap of the popular vote by county, 2016 presidential election.
The Florida Supreme Court
Launch of Space Shuttle Columbia from the Kennedy Space Center
Map of Florida showing average income by county.
The Brickell Financial District in Miami contains the largest concentration of international banks in the United States.[77][78]
The Port of Miami is the world's largest cruise ship port.
Walt Disney World Resort in Orlando.
Florida oranges
The Miami Civic Center has the second-largest concentration of medical and research facilities in the United States.[79]
Miami Art Deco District, built during the 1920s–1930s.
Florida's Turnpike
Miami International Airport is the world's 10th-busiest cargo airport, and second busiest airport for international passengers in the U.S.
Amtrak serves most major cities in Florida. This West Palm Beach Station serves Amtrak and Tri-Rail commuter rail service.
The Miami Metrorail is the state's only rapid transit system. About 15% of Miamians use public transit daily.
Daytona International Speedway is home to various auto racing events
Juvenile, Tobago
Russetfin Topminnow (F. escambiae)
G. g. faeroeensis in Iceland
Gallinago gallinagoMHNT
G. g. gallinago at Keoladeo National Park, Bharatpur, Rajasthan, India.
Common Snipe at Chilika, Odisha
Common moorhens fighting
The flightless Tasmanian nativehen, Tribonyx mortierii
Badge of HMS Moorhen
Common moorhen feet have no webbing
Moorhen sighted in Fangu, Corsica (France)
Eggs, Collection Museum Wiesbaden, Germany
Mosquito larvae
An adult male
Video of a male calling
G. carolinensis eggs
Gavialosuchus eggenburgensis skull
Heads of Geothlypis taxa
Common Yellowthroat in Birds of America
Common Yellowthroat in Birds of America
Singing male yellowthroat
Pilot whale
Jaw of the extinct species Globicephala etruriae
Long-finned pilot whale skeleton
Pilot whale in the Gulf of California
Pilot whales near Cape Breton Island
Pilot whale pod near Ireland
Pilot whale mother and calf near Kona, Hawaii
Volunteers attempt to keep body temperatures of beached pilot whales from rising at Farewell Spit, New Zealand.
Killed pilot whales in Hvalba, Faroe Islands
Pilot whale meat (black), blubber (middle), dried fish (left) and potatoes, a meal on the Faroe Islands
Bubbles, the pilot whale, performing at Marineland of the Pacific, 1962
Short-finned pilot whale
A short-finned pilot whale come up to the surface of the water.
At along the western coast of Tenerife, Canary Islands
A number of beached short-finned pilot whales on Highland beach.
A Japanese meal with short-finned pilot whale meat includes a skewer of fried whale meat (left) and a bowl with grilled meat over rice, topped with pickled ginger (right).
Gopher tortoise
Carapaces of hatchlings are yellow, but they take on a darker color as they mature
Courtship ritual and mating
Bleached shell of dead gopher tortoise
Road sign in Sanibel Island, Florida
Lesser sandhill crane (G. c. canadensis)
George C. Reifel Migratory Bird Sanctuary, Ladner, British Columbia
Florida sandhill crane, G. c. pratensis adult (behind) and juvenile
In British Columbia, Canada
A huge flock at Bosque del Apache National Wildlife Refuge, New Mexico
A baby Mississippi sandhill crane is weighed at White Oak Conservation.
Flying at Bosque del Apache National Wildlife Refuge, New Mexico, United States
Florida sandhill crane, Ocala National Forest
Sandhill crane at Jonathan Dickinson State Park, Florida
Texas City Dike, Texas
American oystercatcher
Juvenile
American oystercatcher
Halimeda
Fossilised Halimeda
Erect and sprawling Halimeda plants
Herodias, by Paul Delaroche
Feast of Herod, Lucas Cranach the Elder, 1531
Feast of Herod, Peter Paul Rubens
Feast of Herod, Mattia Preti, c. 1660
Salome delivers the head of John the Baptist, Juan de Flandes, 1496
Describes the natural history of H. simus
Hexaplex fulvescens
Holmesina occidentalis
Schematic representation of the emergence of H. sapiens from earlier species of Homo. The horizontal axis represents geographic location; the vertical axis represents time in millions of years ago. Blue areas denote the presence of a certain species at a given time and place. Early modern humans spread from Africa across different regions of the globe and interbred with other descendants of Homo heidelbergensis, namely Neanderthals, Denisovans, and unknown archaic African hominins (top right).[80]
love dart of Humboldtiana nuevoleonis
With distended vocal sac
Male Hyla cinerea calling
Pair breeding
Tadpole
Metamorph
American green tree frogs vary in color.
Pinewoods tree frog tadpole with red tail induced by the presence of predators (dragonfly larvae).
In Central Park, New York City
Nesting in Pennsylvania, USA
'Compacta' leaves
Least bittern in Florida, United States
South Padre Island - Texas
Closeup of head
In the Pantanal, Mato Grosso, Brazil
Fortuna, Costa Rica
Northern jacana foraging at Tortuguero, Costa Rica
A juvenile northern jacana
Jacana pair and chick near a caiman
Photo of a live pinfish, Lagodon rhomboides
Eastern red bat
A margay at Parc des Félins in France
Profile
Captive ocelot
An Ocelot at the Sonora Desert Museum in Tucson Arizona
Ocelot
Moche Ocelot. 200 A.D. Larco Museum Collection Lima, Peru
The fur trade is a major threat to ocelot populations.
Margay photographed near one of the active volcanoes in Costa Rica.
Margay in Parque Municipal Summit, Panama
Ridley sea turtle
fossil of Lepomis kansasensis
L. miniatus
Warmouth
a juvenile specimen of Lepomis gulosus from Kickapoo State Park, east-central Illinois
A warmouth in Mississippi
Large shellcracker before preparation for consumption
Illustration of the redear sunfish, Lepomis microlophus
Male guarding eggs
Linatella caudata
View from top
An antique-looking illustration, numbered 321, showing a large, apparently left-handed, sea snail shell with knobs on the shoulders of the whorls
For a number of years during the 20th century, this very early illustration was designated as the neotype of this species: a figure of L. gigas from Recreatio mentis, et occuli (1684). The shell in the figure appears left-right reversed because of the engraving process. The original type was subsequently found, invalidating this designation.[81]
A queen conch shell is shown from five different perspectives
Five different views of an adult shell of L. gigas: abapertural (upper left), lateral (center), apertural (upper right), apical (lower left) and basal (lower right). Note: The lip of this shell has been filed down or cut down artificially, a common practice in the shell trade.
An adult queen conch shell with the lip completely intact
Abapertural (left) and apertural (right) views of a beachworn and slightly bleached-out juvenile shell of L. gigas
Lobatus gigas fossil from the Pleistocene (Eemian) of Great Inagua, The Bahamas.
Antique illustration of large sea snail shell with flaring lip, as viewed more or less from the apex
Adult shell, apical view, Gualtieri, 1742
Similar large shell viewed from the apertural side
Adult shell, ventral view, Gualtieri, 1742
Similar shell viewed from the side opposite the aperture
Adult shell, dorsal view, Gualtieri, 1742
shell viewed from the apertural side
Juvenile shell, Tryon, 1885
The foot (with a brown, sickle-shaped operculum), eyestalks and snout of Lobatus gigas exposed through the shell's aperture. At the tip of each eyestalk there is a well-developed eye. Near the tip is a small sensory tentacle.
A drawing of an adult male Lobatus gigas (from Duclos in Chenu, 1844) showing the external soft parts including the spade-shaped penis on the left. Separate details show the mouth, the distal portion of the penis, and both sides of the claw-like operculum
A dense bed of seagrass with a shell in the middle of it
A subadult individual in a seagrass bed, Rice Bay, San Salvador Island, Bahamas
Seagrass bed with dense Thalassia testudinum and an immature queen conch (Eustrombus gigas), Rice Bay, San Salvador Island, Bahamas
map showing some of the Western Atlantic Ocean and the eastern parts of North America, Central America and the north part of South America, with a shaded area over the water covering Bermuda, Florida, the Gulf of Mexico, all of the Caribbean Sea and south from there to the northern part of the Brazilian coast
The shaded area of this map indicates the geographical distribution of Lobatus gigas.
Live snail (on sandy bottom) from the front, showing eyestalks protruding from two large notches in the edge of the lip of the shell, which looks "mossy"
Anterior view of a live individual. The eyestalk on the left is protruded through the stromboid notch, and the eyestalk on the right is protruded through the siphonal canal. The outer surface of the shell is covered by periphyton
A sandy bottom. On it a large sea snail with a bright orange-red body and a large operculum is reaching far into the shell of a queen conch.
A horse conch, Pleuroploca gigantea, feeding on L. gigas in Dry Tortugas National Park, Florida, June 2010
A horse conch feeding on the queen conch, Eustrombus gigas, in Dry Tortugas National Park, Florida
A human hand is holding an immature queen conch shell, inside which is a very large brown hermit crab.
The giant hermit crab, Petrochirus diogenes, inside a subadult shell of L. gigas
Four queen conch shells, all have a hole in the spire of the shell
Four subadult shells of Lobatus gigas from Nevis, all having been fished and showing the cut in the spire. This cut is used to sever the columellar muscle allowing the soft parts to slide out.[82]
Very early 20th century painting of a young girl holding a shell of this species up to the light and looking into it
Shell of this species featured in an 1902 painting by Frank Weston Benson
The island of Anegada, British Virgin Islands, a heap consisting of thousands of queen conch shells discarded after their flesh was taken for human consumption
A drawing depicting the shell of Lobatus raninus from Index Testarum Conchyliorum (1742).
Lophelia pertusa
Photo of squat lobster suspending itself from coral branch
A squat lobster living on a Lophelia reef
A conger eel which has set up home in a Lophelia bed
Female at Walsrode Bird Park, Germany
Lutjanus bohar
Lutjanus ehrenbergii
Lutjanus gibbus
Lutjanus monostigma
Basal view
Illustration from Holbrook's North American Herpetology, 1842
Alligator snapping turtle using its vermiform appendage to lure prey. (Peckham's mimicry)
Head of a young alligator snapping turtle
Alligator snapping turtle with carpet of algae
Correct handling of a 45-pound alligator snapping turtle at Austin Reptile Service, in Austin, Texas
Giant Macrocypraea cervus – Florida
Mark Catesby (1731), Natural History of Carolina etc., plate 39, with Magnolia lauri folio, subtus albicante, the Sweet Bay (Magnolia virginiana) and Coccothraustes coeruleus, the Blue Grosbeak (Passerina caerulea).
The diamond pattern of the turtle's back
Adult female
Diamondback terrapin juvenile.
University of Maryland's testudo statue
Skeleton
Maoricrypta costata, ventral view showing "shelf" or "deck".
Schott's whip snake, M. s. schotti
Coachwhip, Masticophis flagellum, Florida
Coachwhip, Masticophis flagellum, Florida
Coachwhip, Masticophis flagellum, Florida
Red Racer/Coachwhip, Santa Fe, New Mexico
Masticophis flagellum at Weeks Bay National Estuarine Research Reserve
Western coachwhip
Fossilised M. tintinnabulum(?), which grew on a boulderous debris fan (preserved as dark breccia, bottom), and were smothered by deposition of sands (orange upper layer), hence preserved in situ.
Female with prey
Atlantic tarpon
M. megantereon skull
Teeth and jaw
The red-headed woodpecker's distinct colors are true to the bird's name.
Live M. quinquiesperforata (underside)
Melongena corona
Melongena corona laying eggs.
The shell of Melongena corona inhabited by a hermit crab
Kingfish caught from the Great South Bay.
Left valve interior of Mercenaria mercenaria
Left valve interior of Mercenaria mercenaria.
Fossil shell of Mercenaria permagna. Pleistocene of United States
An old quahog shell that has been bored (producing Entobia) and encrusted after the death of the clam
Steamed clams
Raw top neck clams in New Jersey.
Mergus merganser couple, Vaxholm, Sweden
Female goosander's bill showing the serrated edge
Couple and single female on Jona (river) in Switzerland
M. m. americanus, female and juveniles
Egg, Collection Museum Wiesbaden
Robert Wilkinson Padley - A Goosander, 1817
Merycoidodon gracilis and culbertsoni
Modern restoration of Merycoidodon culbertsoni
The flank of a stranded whale, showing several round scars
Round scars from cookiecutter shark bites can be seen on the flank of this stranded Gray's beaked whale.
M. krahuletzi
Micropogonias furnieri
Largemouth bass
A Largemouth bass caught by an angler.
Micrurus fulvius
Fire coral
Displaying
Adult mockingbirds have solid pale grey or buff breasts, juveniles mottled
Egg, Collection Museum Wiesbaden
Eggs in a nest
Songs and calls
Calling during spring
Riding a red-tailed hawk
A Northern Mockingbird on top of a Duke University Hospital sign reading "Duke medicine is 100% tobacco-free INSIDE AND OUTSIDE" in Durham, North Carolina
In the urban habitat at Durham, North Carolina
Painting by John James Audubon
Brown-headed cowbird, one call
Brown-headed cowbird male (right) courting female
Eastern phoebe nest with one brown-headed cowbird egg
Juvenile in California
File:Gonfalone del comune di Stazzema.jpg
Flag of the Comune of Stazzema, decorated with the military Gold Medal for Military Valour.
Painted stork Mycteria leucocephala at Uppalapadu, Andhra Pradesh, India
Wood stork alighting, Hontoon Dead River, in Florida
The wood stork's head much resembles that of an ibis
Nesting colony in Georgia, US
Wood stork in flight at Harris Neck National Wildlife Refuge
Mylodon
Fur and skin at the Museum für Naturkunde, Berlin
Model in Cueva del Milodón Natural Monument where fossils were found in 1896
Toe nails, dung and skin, Natural History Museum, London
Hibernating southeastern myotis
Photo of Myotis austroriparius captured in early April while harp trapping a cave
A gray bat caught in Oklahoma in 2013
Gray bat in torpor at a hibernaculum
Gray bats arousing from hibernation due to human disturbance (in this instance scientists are conducting a population estimate). Gray bats may lose as much as 0.48 g of weight in the first hour of disturbance and these crucial fat reserves can not be replenished until spring emergence.
Native range in the United States
The male and female flowers
Coati band performing mutual grooming after reaggregation
Three infant coatis with their mother
Green Water Snake, (Nerodia cyclopion) Florida
Nerodia erythrogaster
Upper teeth
Lower teeth
A lemon shark with many remoras clinging to its body.
Caribbean monk seal
Two young individuals in New York Aquarium, 1910
Depiction by Henry W. Elliott from 1884
A Nerodia fasciata attempting to prey on a parvalbumin-coated lure. Parvalbumin is involved in prey signaling.[83]
Northern water snake basking west of Ottawa, Ontario
Brown water snake
Nodipecten nodosus, Gulf of Mexico
Museum specimen with successive species labels, Naturalis
Long-billed curlew
Long-billed curlews courting
Eating a sand crab
Fossil nummulitid foraminiferans showing microspheric and megalospheric individuals; Eocene of the United Arab Emirates; scale in mm.
Fossil nummulites in Urbasa, Navarre
Adult N. v. ssp. pauper, North Seymour Island, Galapagos Islands
Immature yellow-crowned night heron
Feeding on crayfish
Nesting yellow-crowned night herons with nestlings
Stuffed night heron in the American Museum of Natural History
A night heron building a nest.
Sign welcoming visitors to Olar
Fossil specimen of Oliva sayana from the Pliocene
Shells of Oliva sayana
Orbicella annularis
A rat, seen from the side, with some rocks in the background.
Drawing of Oryzomys molestus,[84] now a synonym of Oryzomys albiventer[85]
See caption.
Holotype skull of Oryzomys antillarum, seen from above (A), below (B) and the left (C)[86]
A brown rat on a rock above and a gray rat eating corn below.
Oryzomys couesi (above) and Tylomys panamensis (below)[87]
Map of the eastern United States, with distributions of Goldman's subspecies as listed in the text
Distribution and subspecies of the marsh rice rat according to Goldman (1918): 1. O. p. palustris; 2. O. p. natator; 3. O. p. coloratus; 4. O. p. texensis
A reddish-brown rat on soil with some debris
Marsh rice rats in much of Florida are more reddish than those elsewhere.[88]
Mandible with large incisor with the number 117384 written on it
Mandible of a marsh rice rat from New Jersey, seen labially (from the outer side)[89]
Two toothrows consisting of three molars
Upper (left) and lower (right) molars of a marsh rice rat from Virginia, with the front molars above[90]
Rat, yellow-brown above and white below
A marsh rice rat walking on mesh in Paynes Prairie, Florida
Owl with a heart-shaped face, on a green background
The barn owl is an important predator of the marsh rice rat.
High, reedlike plants standing in water
Spartina alterniflora is eaten by the marsh rice rat.[91]
Oscillum in Athens.
American subspecies
Australasian subspecies is the most distinctive
Californian bird with scraps of fish on its beak
In flight, over Lake Wylie, South Carolina
Eating a fish
Preparing to mate on the nest
Osprey standing next to its nest showing their relative sizes
Egg, Collection Museum Wiesbaden
Juvenile on a man-made nest
Cap badge of the Selous Scouts was a stylized osprey
Probably P. s. oblitus, Kirkfield, Ontario, Canada
Skull MHNT
Close-up of head at Nashville Zoo, Nashville, TN
A flock at Whipsnade Zoo
A group of immature birds at Lago de Oviedo, Dominican Republic
The flock flight at Cayo Coco, Cuba
A chick and its mother
P. ruber stands on one leg in order to retain body heat
Opening and extracting pearls from farmed pearl oysters
Cultivated pearl oyster (from Japan Shima, Mie)
Mature unopened female cones
Bark on a mature tree
Female
The fungus Pseudogymnoascus destructans the pathogen responsible for White-nose syndrome, growing on a hibernating tricolored bat
The tricolored bat is found in the areas shaded yellow.[92]
Pistia
19th century illustration of Pistia stratiotes
Rails (Rallidae, "tikling"), feeding in Pistia stratiotes, Paombong, Bulacan).
A hibernating Rafinesque's big-eared bat in a North Carolina cave.
A male midnight molly
Black drum
Weight vs. Length for black drum based on data from the Calcasieu Estuary, Louisiana. (Fall female curve is obscured by the spring female curve. Data are from Jenkins, 2004)
Length vs. age for black drum from two Gulf Coast locations.
Fish on left and right are black drum caught in the jetties of Calcasieu Pass, Cameron Parish, Louisiana. A red drum is in the middle. The drum were caught using shrimp for bait on 80 lb braided line and steel leaders.
Polygonum plebeium
Flowerhead of Persicaria maculata (syn. Polygonum persicara)
Three views of a shell of Polygyra septemvolva volvoxis.
Quercus pubescens - MHNT
Leaves and acorns of a southern live oak
The Century Tree at Texas A&M University in College Station, Texas
The avenue of live oaks at Boone Hall in Mount Pleasant, South Carolina, planted in 1743.
A specimen at the former Protestant Children's Home in Mobile, Alabama. It has a trunk circumference of 23 feet (7.0 m), height of 63 feet (19 m) and limb spread of 141 feet (43 m).
The avenue of live oaks at Oak Alley Plantation in Vacherie, Louisiana, planted in the early 18th century.
The Angel Oak on Johns Island, South Carolina. The man standing under the tree is 5 feet 11 inches (1.80 m) tall.
The Emancipation Oak in Hampton, Virginia
Boat-tailed grackle
Female
Breeding display by male, CATIE, Turrialba, Costa Rica
A male Great-Tailed Grackle, making its distinctive call
Male in Casco Viejo, Panama
Statue of maria mulata in Cartagena
At Huntley Meadows in Virginia
A chick
John James Audubon's depiction of the American avocet in breeding plumage.
Pine woods snake
Detail of head
Cownose rays swimming in shallows in the Gulf of Mexico
A shell of Polystira albida
Five views of a shell of Pomacea paludosa
The maturation of eggs of Pomacea paludosa: freshly laid eggs in a thick mucus matrix have a salmon coloration (left). Mature eggs in calcified shells are pinkish white in color (right).
Female cooter basking
Distribution map for Australia where it is an introduced species
Apertural view of the shell
Abapertural view of the shell
Pteria colymbus (Röding, 1798), museum specimens Naturalis
Flying in Iceland
Each retina of the Manx shearwater has one fovea and an elongated strip of high photoreceptor density. The pecten has many blood vessels and appears to keep the retina supplied with nutrients.[93]
In flight
Egg, Collection Museum Wiesbaden
Sabal palmetto from von Martius' "Historia naturalis palmarum"
Sabal 'Lisa' in Fort Myers, Florida
Flag of South Carolina
Seal of Florida
Giant otter head from the Museu Paraense Emílio Goeldi research institute
A wild giant otter "periscoping" in Cantão State Park in Brazil, showing its identifying throat marks
Skull seen from the side. Short-snouted as usual in mustelids, it has a pronounced sagittal crest, allowing for a very powerful bite in this species
Giant otters leave a pool together at the Philadelphia Zoo. The species is extremely social, a rarity among mustelids, and family groups are cohesive.
A giant otter den dug on a lake shore at Cantão State Park — the newly dug white sand is a sign of recent activity at this den.
Captive giant otters have contributed greatly to scientific knowledge of the species by providing readily available subjects for research on the species' reproduction and life cycle.
A captive giant otter, when feeding, grasps prey in its forepaws and begins eating immediately, at the head.
A group of four giant otters emerging from the water to patrol a campsite on the riverbank at Cantão State Park
Characins such as piranha species are prey for the giant otter, but these aggressive fish may also pose a danger. Duplaix speculated that piranhas may attack giant otters.
The Guianas are the last real stronghold of the giant otter. Suriname retains extensive forest cover and many protected areas; it is pictured above. Guyana is immediately to the west and French Guiana is immediately to the east.
Scaphella junonia
An American Eastern spadefoot.
Sciadopitys verticillata from "Flore des serres et des jardins de l'Europe"
Bounding tracks in concrete
Close-up of an eastern gray squirrel's head; note the brownish fur on its face, the gray fur on its back and the white fur on its underside.
Reaching out for food on a garden bird feeder, this squirrel can rotate its hind feet, allowing it to descend a tree head-first.
Eastern gray squirrels are born hairless with their eyes closed
Eastern gray squirrel drey
Calls recorded in Surrey, England
Hazelnuts gnawed by gray squirrel; the curved cut marks left by the sharp incisors are visible around the holes
The eastern gray squirrel is considered an invasive species in the UK (Bunhill Fields, London)
Melanistic eastern gray squirrel carrying a peanut
Fox squirrel foraging in the grass in Indianapolis, Indiana.
Backyard fox squirrel searching for a location to bury its acorn, in Berkeley, California
Backyard fox squirrel searching for a location to bury its acorn, in Berkeley, California
Manipulation of food items by paws and head
Eating a Santa Rosa plum in Fullerton, California
Baby
Fox squirrel pausing from building its nest in an attic in Berkeley, California.
Fourteenth-century sedilia at Heckington (Lincolnshire)
A free-standing sedile with desk in Alsike Church in Sweden
A three level sedilia and piscina recessed into the thickness of the wall; nave built around 1180, chancel re-built in C13, in St Mary's church, Buriton, England. The seats are low and cold to sit on; the addition of four inches of cushion makes them comfortable.
A varix is visible on the left in this ventral view of a slightly discolored shell of Semicassis granulata from North Carolina, United States.
The Blue crab sometimes feeds on the Scotch Bonnet.
St. Francis' vision of a seraph (fresco attributed to Giotto)
Seraphim surround the divine throne in this illustration from the Petites Heures de Jean de Berry, a 14th-century illuminated manuscript, commissioned by John, Duke of Berry.
Saw palmettos beneath the larger evergreen canopy in the Apalachicola National Forest in Florida
Greater siren skull & hyoid
Greater siren skeleton
Greater siren skeleton
Greater siren skull & hyoid
Greater siren out of water
S. m. miliarius
Examples of scrapers. In American English, the rubber scraper (left) is often called a spatula by some because it is a flat utensil used for scraping or spreading. The tool on the right is also called a dough cutter.
Great barracuda with prey
Sphyraena barracuda in French Polynesia
An adult and nestlings in a tree nest
A chipping sparrow at a suburban bird feeder
S. bariensis skull
Partial skull
Premolar
Squalodon
Stewartia koreana - MHNT
Short-tailed snake
Hernando County, FL 2011
Marion County, FL
Northern brown snake, S. d. dekayi
Song
The Cuban subspecies S. m. hippocrepis (Wagler, 1832) is small and more streaked below, and may be a separate species
Stylophora
Apertural view of a live but retracted Strombus pugilis out of water in a human hand showing the brown operculum
Strombus alatus
Breeding plumage
Bats flying near Frio Cave in Concan, Texas
Mexican free-tailed bats, emerging from Carlsbad Caverns, Carlsbad Caverns National Park, New Mexico
Dusk emergence of bats at the Congress Avenue Bridge in Austin, Texas, U.S.
Free-tailed bats roosting at a cave in the Bahamas
An eastern chipmunk placing food in its cheek pouch
Fossils of Tectonatica astensis from Pliocene of Italy
Seen in the 1824 star chart set Urania's Mirror (in the lower right)
The globular cluster NGC 6584, as observed with the Hubble Space Telescope
The interacting galaxy system NGC 6845, as observed with GALEX
Common box turtle
hand holding a turtle up so that we see the bottom of it. It has a pleated look with noticeable hinging and bending of the lower shell, running crosswise.
The hinges of the box turtle's lower shell
angled downward view of a turtle facing to the upper right as she squeezes out an egg out the back. There is a distended part of her body far behind her half covering the egg.
Egg-laying
Pierce Brodkorb with the tarsometatarsus of Titanis (dark) and another bird
Map of Tocobaga Indian Territory
At the time of First Contact.
X-ray image of a shell of Tonna galea
17th-century engraving of Tonna galea by Wenceslas Hollar. The image is reversed because of the engraving process.
An adult with a juvenile in Virginia, USA
John James Audubon's picture depicting ferruginous thrush
nest and eggs
Brown thrasher, High Island, Texas
Trachemys
Skull of a West Indian manatee on display at The Museum of Osteology, Oklahoma City, Oklahoma.
Skull of a West Indian manatee on display at The Museum of Osteology, Oklahoma City, Oklahoma
"Endangered Florida manatee (Trichechus manatus)".
Manatee postures in captivity.
Manatee plate
Map drawing showing range of three manatee populations
Approximate distribution of Trichechus; T. manatus in green; T. inunguis in red; T. senegalenis in orange
Underwater photo of three manatees swimming along bottom
A group of three manatees
Photo of manatee next to kayak
Young manatees can be curious; this individual is inspecting a kayak
Profile photo of out-of-water manatee
Antillean manatee
Underwater profile photo of light-colored animal with small flippers
Trichechus sp.
Underwater photo of manatee
A manatee at SeaWorld, Florida
All the hairs of the manatee may be vibrissae
Manatee from Crystal River, Florida
Basking at Haulover Canal, Merritt Island National Wildlife Refuge, Florida
Sculpture of manatee showing vibrissae
Manatees in a conservation project in Brazilian northeastern coast
West Indian manatee skeletons on display at the North Carolina Museum of Natural Sciences in Raleigh, North Carolina
Shell of Tricolia gabiniana
Wandering tattler (Tringa incana), formerly in Heteroscelus
Willet (Tringa semipalmata), formerly in monotypic Catoptrophorus
Juvenile
Hunting behaviour
Triplofusus papillosus at the National Museum (Prague)
Audubon's illustration of nesting house wren
Adult bringing food for young (note begging calls)
Turnaround video of a Martinique wren specimen, Naturalis Biodiversity Center
Trona
Trona sample from Searles Valley, California near the town of Trona, California
The ambient temperature crystal structure of trona viewed down the b axis with the unit cell indicated by the solid gray line.
Abapertural view
Motion of a Typhlops, not like an earthworm. (Video shot in Taiwan.)
Nest and eggs
Eggs, Collection Museum Wiesbaden
Orange-crowned warbler
Crown patch visible
The only extant Roman vexillum, 3rd century AD. Pushkin Museum of Fine Arts, Russia.
Modern reproduction of a Roman cavalry vexillum
Roman Ensigns, Standards, Trumpets etc.
Leaves in autumn
White-eyed vireo (Vireo griseus) at Clarks River National Wildlife Refuge
North Carolina muscadine grapes
Some muscadines in a bowl; the green grapes are scuppernongs
The wild progenitor of the muscadine grape still grows freely in the southeastern United States, such as near Indiantown, South Carolina.
Xenosmilus and Glyptodon
Zonaria

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Simon Berglund at Occultfest 2010
Zonaria at Occultfest 2010
Birds of the white-striped form have tan only at the lores
Ottawa, Ontario
Song of the white-throated sparrow
Spotted salamander
Polymorphic spotted salamander egg masses: white morph (left) and clear morph (right)
Spotted Salamander (Ambystoma maculatum) Larva
Arius
American bison galloping, photos by Eadweard Muybridge, first published in 1887 in Animal Locomotion
Last of the Canadian Bisons, 1902, photograph: Steele and Company
Male plains bison in the Wichita Mountains of Oklahoma
Adult male (farther) and adult female (closer) with a background of rich autumn colors, in Yellowstone National Park
Pile of American bison skulls to be used for fertilizer in the mid-1870s
Bison herd grazing at the National Bison Range in Montana
A group of bison trudge across the landscape at the National Elk Refuge.
Canned Bison meat for sale
Herd of bison in Yellowstone National Park
Grazing in winter, Yellowstone National Park: Bison use their heads to clear out snow for the grass.
Bison fighting in Grand Teton National Park in Moose, Wyoming
Calf
American bison standing its ground against a wolf pack.
Wolf-Bison Demonstration at Wolf Park, Indiana.
Map from 1889 by William T. Hornaday, illustrating the Extermination of the American Bison
Bison hunt under the wolf-skin mask, 1832–33
Bison being chased off a cliff as “seen” and painted by Alfred Jacob Miller
Original distribution of plains bison and wood bison in North America along the "Great bison belt". Holocene bison (Bison occidentalis) is an earlier form at the origin of plains bison and wood bison.
  Holocene bison
  Wood bison
  Plains bison
Map of the extermination of the bison to 1889. This map based on William Temple Hornaday's late-19th century research.
  Original range
  Range as of 1870
  Range as of 1889
Distribution of public herds of plains bison and of free-ranging or captive breeding wood bison in North America as of 2003.
  Wood bison
  Plains bison
A wood bison around Coal River in Canada
Wyoming uses a bison in its state flag
Manitoba uses a bison in its provincial flag, as seen inside the Manitoban coat of arms
The 1935 Buffalo nickel—this style of coin featuring an American bison was produced from 1913 to 1938
First postage stamp with image of bison was issued US in 1898—4¢ "Indian Hunting Buffalo", part of the Trans-Mississippi Exposition commemorative series
The illustration that accompanied Müller and Henle's description.
The hardnose shark is slender, with a long snout and elongated rear tips on the dorsal fins.
A grey shark swimming in shallow, sun-dappled waters, with a large school of smaller fish in the background
A female dusky shark on display at Sea World, Queensland; this species is found throughout Australian waters.
A silvery, spindle-shaped ray-finned fish with a forked tail
The bluefish is a major prey species of dusky sharks in the northwestern Atlantic.
Dusky shark tooth on a Gilbertese weapon.
A fishery worker standing on a ship, holding a small shark in his gloved hands
Dusky sharks are highly valued by commercial fisheries.
Plate 111 of the Birds of America by John James Audubon, depicting the pileated woodpecker
Male excavating a nest hole
Video: Eating suet
Dorudon
Dorudon hind limbs, an example of vestigial organs, from a specimen at the Smithsonian Natural History Museum, Washington, DC
Ladyfish Elops saurus, Fort Desoto County Park, Tampa Bay, November 2016
Plastron of an adult male.
Plastron
Map of the eastern United States and eastern Canada, read coloring marks the wood turtles inhabitance.
Distribution, includes United States and Canada
This turtle is sitting on an elevated log that is lying horizontal. It is facing the right of the screen.
Lying on a log, basking in the sun
On a small rock ledge, this turtle is leaning over, readying to go for a swim.
Individual preparing to enter the water
Female wood turtle with radio transmitter
P. c. crucifer tadpoles, about 4–5 wk old and 24 hours away from complete metamorphosis
Marsh periwinkles on marsh grass
This specimen of M. americanum in Madrid, the first discovered (in 1788), was the first prehistoric animal skeleton mounted (in 1795).
M. americanum
Restoration
Skull
Shells of Oliva sayana
White-footed mouse
In Quetico Provincial Park, Ontario
Female with sucklings
Unusual among cetaceans, the sperm whale's blowhole is highly skewed to the left of the head
The lower jaw is long and narrow. The teeth fit into sockets along the upper jaw.
The arterial system of a sperm whale foetus.
Anatomy of the sperm whale's head. The organs above the jaw are devoted to sound generation.
Like other toothed whales, the sperm whale can retract its eyes.
Global concentrations of sperm whales
Photo of whale skin with many overlapping circular indentations
A piece of sperm whale skin with giant squid sucker scars
Ambergris
Diagram showing silhouettes of 10 inward-facing whales surrounding a single, presumably injured, group member
Sperm whales adopt the "marguerite formation" to defend a vulnerable pod member.
Painting of a sperm whale destroying a boat, with other boats in the background
In the 19th century, sperm whales were hunted using rowboats and hand-thrown harpoons, a rather dangerous method, as the whales sometimes fought back.
Scrimshaw was the art of drawing on the teeth of sperm whales. It was a way for whalers to pass the time between hunts.
Sperm whaling peaked in the 1830s and 1960s.
P. ruber
P. ruber
Neural map
Bean's Searobin (P. beanii)
Bonnethead
The scalloped hammerhead (left) and the smooth hammerhead (right) differ in cephalofoil shape.
Upper teeth
Lower teeth
A migrating smooth hammerhead swimming with its dorsal fin exposed
Early illustration of a whitetip reef shark from Systematische Beschreibung der Plagiostomen (1841).
Photo of a whitetip reef shark resting amongst many brightly colored corals, its head concealed in a cave
The whitetip reef shark almost exclusively inhabits coral reefs.
Frontal view of a whitetip reef shark, which has a wedge-shaped snout, oval eyes, and tubular flaps of skin next to the nostrils
The "face" of a whitetip reef shark is distinctive, with a broad snout, tubular nasal flaps, and oval eyes with vertical pupils.
Three gray sharks lying beside each other on the sea bottom.
Whitetip reef sharks spend much of the day lying still on the bottom.
The lower jaw and teeth of whitetip reef shark
Four sharks cruising amongst shallow rock outcrops
Gregarious in nature, whitetip reef sharks are often found in groups.
Cellana
Cellana mazatlandica
Cellana rota
Ventral view
Stuffed specimen
Moho apicalis and Chaetoptila angustipluma
Conus chaldaeus (Röding, P.F., 1798)
Conus flavidus
Conus imperialis Linnaeus, C., 1758
Drawing of Conus litoglyphus
Two varieties of Conus planorbis: Conus planorbis planorbis and Conus planorbis vitulinus.
Conus striatus
Distribution map of Monetaria caputserpentis
Video of two living cowries; Erosaria helvola (seen 1st) & Monetaria caputserpentis (last)
Monetaria caputserpentis
Monetaria caputserpentis
Erosaria erosa, dorsal view
Erosaria erosa chlorizans, anterior end towards the right - Australia
Erosaria erosa chlorizans side view, anterior end towards the right
Distribution map of Erosaria erosa
Erosaria helvola, lateral view, anterior end towards the right
A shell of Erosaria poraria, lateral view, anterior end towards the right
A shell of Erosaria poraria, dorsal view, anterior end towards the left
A shell of Erosaria poraria, dorsal view, anterior end towards the left
Fungia
Fungia scutaria mouth
Radiols (spikes) of a "slate pencil sea urchin". They are a classical souvenir.
Shell of Luria isabella from Philippines
Shell of Luria isabella from Philippines
A shell of Lyncina vitellus, anterior end towards the right
A shell of Lyncina vitellus, dorsal view, anterior end towards the right
A shell of Lyncina vitellus, lateral view, anterior end towards the right
A shell of Lyncina vitellus polynesiae, lateral view, anterior end towards the right
A shell of Lyncina vitellus polynesiae, ventral view, anterior end towards the left
A shell of Lyncina schilderorum from Hawaii, dorsal view, anterior end towards the right
A shell of Lyncina schilderorum from Hawaii, lateral view, anterior end towards the right
A shell of Lyncina schilderorum from Hawaii, apertural view, anterior end towards the left
A shell of Lyncina leviathan leviathan from Hawaii, lateral view, anterior end towards the left
A shell of Lyncina leviathan leviathan from Hawaii, dorsal view, anterior end towards the left
Apertural view of a shell of Lyncina leviathan leviathan
Mauritia maculifera
A shell of Mauritia maculifera from Rangiroa, Polynesia, lateral view, anterior end towards the right
Dorsal view of shells of Mauritia maculifera from Rangiroa, Polynesia, anterior end towards the right
Shell of Mauritia mauritiana from Hawaii
Subadult Mauritia mauritiana from Hawaii
Range
A shell of Mauritia scurra from Philippines, dorsal view, anterior end towards the right
A shell of Mauritia scurra from Philippines, lateral view, anterior end towards the right
A shell of Mauritia scurra from Philippines, apertural view, anterior end towards the right
In Hawaii, a group of three Monoplex nicobaricus (probably a mating pair and another male) have attracted a predatory Conus pennaceus, which is attacking the largest Monoplex
Kahuku area - O'ahu, Hawaii
Kahuku area - O'ahu, Hawaii
Rice coral (Montipora capitata) growing over Porites sp.
A Bonin petrel trapped in the sand on Midway Atoll by the 2011 Tōhoku earthquake and tsunami, before being rescued.
Bonin petrel chick
Juvenile fish among the branches
Shell of Gibberulus gibberulus (Index Testarum Conchyliorum (1742) of Niccolò Gualtieri)
Tonna perdix
Brown form
This tun has paralyzed an Actinopyga echinites at Réunion Island, and is in the process of eating it.
A shell of Talparia talpa, anterior end towards the bottom
Tridentarius dentatus from Index Testarum Conchyliorum (1742) by Niccolò Gualtieri.
Vanikoro
Map of the Santa Cruz Islands
Aesculus glabra Ohio buckeye
Flower of Aesculus x carnea, the red Horse Chestnut
Beatrix Potter called Babbity Bumble a "bumble bee" in The Tale of Mrs Tittlemouse, 1910.
A common carder bumblebee Bombus pascuorum extending its tongue towards a Heuchera inflorescence
Cuckoo bumblebees, like this Bombus barbutellus, have similar aposematic (warning) coloration to nest-making bumblebees, and may also mimic their host species.
Nest of red-tailed bumblebee. Bombus lapidarius, showing wax pots full of honey
Bumblebee life-cycle showing adults and larvae in nest of B. terrestris. Engraved in 1840 by William Home Lizars after drawing probably by James Hope Stewart.[94]
An above-ground nest, hidden in grass and moss, of the common carder bee, Bombus pascuorum. The wax canopy or involucrum has been removed to show winged workers and pupae in irregularly placed wax cells.
A bumblebee loaded with pollen in its pollen baskets
The cuckoo bumblebee B. vestalis, a parasite of B. terrestris
Bumblebee nest dug up and destroyed by a predator, probably a badger
Bumblebee stored as food by a great grey shrike
Bumblebees and human culture: Bombus anachoreta on a Russian postage stamp, 2005
Drone short-haired bumblebee, Bombus subterraneus. The species was successfully reintroduced to England from Sweden.
A bumblebee landing on a purple flower
A widely believed falsehood holds that scientists proved bumblebees to be incapable of flight.[95]
Bumblebee in flight. It has its tongue extended and a laden pollen basket.
The Russian composer Nikolai Rimsky-Korsakov wrote the Flight of the Bumblebee, c. 1900
Emily Dickinson wrote a poem about a bumblebee. Daguerreotype, c. 1848
Bumblebees of different species illustrated by Moses Harris in his 1782 Exposition of English Insects
A female cone
Cluster of male cones
Released seeds collected from the ground
Liriodendron chinense twig with flowers. Notice that the orange pigment characteristic of L. tulipifera petals is absent.
Tulip tree bark
Tulip tree flower
Tuliptrees can be very large. This 130-footer in Pennsylvania with a 5-foot trunk dwarfs a group of mature oaks and maples.
Tulip trees serving an ornamental role in Vancouver, BC.
Liriodendron at Hingham Center Cemetery, Hingham, Massachusetts
Skull
Comparative illustration of bobcat (top) and Canada lynx (bottom) heads (1906)
Canada lynx lying down
Canada lynx kittens are born with blue eyes
The Canada lynx's forelimbs are shorter than its hindlimbs, giving it a downward sloping appearance
Closeup of face
Ledum (L. groenlandicum) essential oil in clear glass vial
Close-up of leaves
Bonsai example.
Rhododendron in Japan
A garden with tall Rhododendrons in Lynnwood, Washington
Rhododendron forest in Nepal
Rhododendron (গুরাস), Sandakphu, West Bengal, India
Rhododendrons (Guras or Buras) at Fakding, Nepal
Deciduous Rhododendron luteum in fall color
Evergreen azalea Rhododendron kaempferi
Evergreen azalea cultivar leaf color before shedding
Rhododendron fallacinum photographed in situ on Mount Kinabalu, Borneo
Rhododendron-Park Bremen, Germany
Nova Zembla Rhododendrons growing in a nursery in New Jersey.
Leon Wyczółkowski, Pink Rhododendrons, 1903
Rhododendron wardii var. puralbum
Red rowan
American water shrew
Flower diagram of Spiraea hypericifolia.
Spiraea betulifolia
Spiraea japonica 'Goldflame' 06
Spiraea betulifolia in autumn
Spiraea japonica
Spiraea thunbergii
Natural range
American bison galloping, photos by Eadweard Muybridge, first published in 1887 in Animal Locomotion
Last of the Canadian Bisons, 1902, photograph: Steele and Company
Male plains bison in the Wichita Mountains of Oklahoma
Adult male (farther) and adult female (closer) with a background of rich autumn colors, in Yellowstone National Park
Pile of American bison skulls to be used for fertilizer in the mid-1870s
Bison herd grazing at the National Bison Range in Montana
A group of bison trudge across the landscape at the National Elk Refuge.
Canned Bison meat for sale
Herd of bison in Yellowstone National Park
Grazing in winter, Yellowstone National Park: Bison use their heads to clear out snow for the grass.
Bison fighting in Grand Teton National Park in Moose, Wyoming
Calf
American bison standing its ground against a wolf pack.
Wolf-Bison Demonstration at Wolf Park, Indiana.
Map from 1889 by William T. Hornaday, illustrating the Extermination of the American Bison
Bison hunt under the wolf-skin mask, 1832–33
Bison being chased off a cliff as “seen” and painted by Alfred Jacob Miller
Original distribution of plains bison and wood bison in North America along the "Great bison belt". Holocene bison (Bison occidentalis) is an earlier form at the origin of plains bison and wood bison.
  Holocene bison
  Wood bison
  Plains bison
Map of the extermination of the bison to 1889. This map based on William Temple Hornaday's late-19th century research.
  Original range
  Range as of 1870
  Range as of 1889
Distribution of public herds of plains bison and of free-ranging or captive breeding wood bison in North America as of 2003.
  Wood bison
  Plains bison
A wood bison around Coal River in Canada
Wyoming uses a bison in its state flag
Manitoba uses a bison in its provincial flag, as seen inside the Manitoban coat of arms
The 1935 Buffalo nickel—this style of coin featuring an American bison was produced from 1913 to 1938
First postage stamp with image of bison was issued US in 1898—4¢ "Indian Hunting Buffalo", part of the Trans-Mississippi Exposition commemorative series
Antlers in Tübingen
Partial horn
Fossils in Bergamo
Affixing a transmitter for research purposes
A carving in the bark of the tree
Oxalis
Floral diagram of Oxalis
Pale grass blue (Pseudozizeeria maha) of the dry-season brood laying eggs on Oxalis
An apricot-coloured variety of Oxalis tuberosa for eating
Some oca (O. tuberosa) tubers
Oxalic acid, the toxin found in many wood-sorrels and other edible plants
Four-leaved pink-sorrel (O. tetraphylla) grown as a pot plant
Oxalis versicolor (candycane sorrel) grown in New Zealand.
Double-flowered Oxalis compressa
Oxalis triangularis
Oxalis articulata Savign. forma crassipes (Urb.) Lourteig, 1982
Oxalis corymbosa
Oxalis articulata Savign. subspecies rubra (A.St.-Hil.) Lourteig, 1982
Oxalis debilis Kunth varietas corymbosa (DC.) Lourteig, 1981
Oxalis dehradunensis Raizada, 1976
Oxalis gigantea Barneoud, 1846
Oxalis luteola
Oxalis magnifica R.Knuth, 1919
Oxalis pes-caprae, L
Oxalis priceae Small
Oxalis purpurea L., 1753
Oxalis spiralis vulcanicola Donn.Sm.
Wood of the Platanus occidentalis. From Romeyn Beck Hough's fourteen-volume work The American Woods, a collection of over 1000 paper-thin wood samples representing more than 350 varieties of North American tree.
Potentilla diversifolia at 1,636 metres (5,367 ft) in Olympic National Park
European cinquefoil (P. reptans), the type species of Potentilla, was described by Linnaeus in 1753.
Sulphur cinquefoil (P. recta) growing in a garden
The arms of the chief of Scottish Clan Hamilton undifferenced, "gules, three cinquefoils ermine".
Foliage
Seeds and seed hairs from an eastern cottonwood
Broad-leaved dock leaves (R. obtusifolius)
Flowers of curled dock (R. crispus) with remarkable tubercles
Purpletop vervain (V. bonariensis) as an ornamental plant
common vervain (V. officinalis) from Deutschlands Flora in Abbildungen by Johann Georg Sturm and Jacob Sturm, 1796
Viola
Playing a 43 cm (17 in) viola in 3rd position.
Bow frogs, top to bottom: violin, viola, cello
First position viola fingerings
3-stringed viola, used in Hungarian and Romanian folk music
Acris crepitans eggs
Acris crepitans blanchardi
Painting by Nicolas Huet the Younger
19th-century painting of a male
Allogona profunda
Allogona ptychophora
A large, adult cane toad, showing the light colouration present in some specimens of the species
Light-coloured cane toad
A juvenile cane toad, showing many of the features of the adult toads, but without the large parotoid glands
Young cane toad
An adult cane toad with dark colouration, as found in El Salvador: The parotoid gland is prominently displayed on the side of the head.
Specimen from El Salvador: The large parotoid glands are visible behind the eyes.
A map of Australia with the cane toad's distribution highlighted: The area follows the northeastern coast of Australia, ranging from the Northern Territory through to the north end of New South Wales.
Distribution of the cane toad in Australia (map out of date – current range includes northern WA, northern NSW and SA)[96]
R. marina in the Philippines are referred to as kamprag, a corruption of 'American frog'.[97]
A selection of cane toad merchandise, including key rings made from their legs, a coin purse made from the head, front limbs and body of a toad, and a stuffed cane toad
Cane toad merchandise
Ceratogaulus rhinocerus fossil
1902 Illustration of a pair of horned gophers
Kissing prairie dogs
Two juveniles at the Rio Grande Zoo
Gunnison's prairie dog
Black-tailed prairie dog
At the National Zoo in Washington, DC
Two adults
Cynomys ludovicianus gathering grass
Two black-tailed prairie dogs grooming themselves
Six-week-old black-tailed prairie dog
A black-tailed prairie dog eating a peanut
Channel catfish, Ictalurus punctatus
Chuck the Channel catfish, 1986 roadside sculpture in Selkirk, Manitoba Canada
Weight vs. length for Channel Catfish, where b = 3.2293 and cm.[98][99]
Channel catfish caught in a stocked lake.
Lampropeltis calligaster
Lepisosteus platostomus
Green sunfish from Walnut Point State Park, east-central Illinois
A juvenile
Adult
Brown bear claws are longer and less curved than those of black bears
Brown bear skull
An Ussuri brown bear of Hokkaido, a relatively small-bodied population, in the snow.
Considering pinnipeds[100] and polar bears[101][102][103] to be marine, the Kodiak bear is the largest[104][105] of the living, land-based, mammalian predators.
Brown bear at Brooks Falls
Bear watching hut in Alutaguse, Estonia. There are around 700 bears in Estonia and they are specially numerous in Alutaguse forests.
Eurasian brown bears are often adapted to wooded and montane habitats.
Like all bears, brown bears can stand on their hindlegs and walk for a bit in this position unlike most carnivorans, usually motivated to do so by curiosity, hunger or alarm.
Pair of mating brown bears at the Ähtäri Zoo in Ähtäri, Finland
Grizzly bear cubs often imitate their mothers closely
Kodiak bear cubs play fighting
A hunter with the head of a Kodiak bear on his back
Brown bear feeding on salmon
A grizzly bear sow and her two cubs foraging in a field for wild berries.
A freshly caught salmon is a very nutritious meal for an Alaska Peninsula brown bear.
An Arctic ground squirrel burrow that has been excavated by a hunting barren-ground grizzly bear.
A grizzly bear feasts on a bison carcass in Yellowstone.
Taxidermy exhibit portraying a brown bear fighting a Siberian tiger, Vladivostok Museum
Brown bear and cubs attacked by gray wolves
Front paw imprint
Rear paw imprint
Gorgonia, a Native American (Mescalero Apache) man. He holds a bear pelt and wears moccasin boots, a breechcloth, kilt, and vest.
Drum or barrel trap used to safely relocate bears; currently parked adjacent to a building in Grand Teton National Park in Wyoming, United States
A statue of the Ussuri brown bear from Hokkaido who perpetrated the worst bear attack in history, killing seven people.
"The Story of the Three Bears", illustration from Childhood's Favorites and Fairy Stories
Berni is a brown bear mascot of German football club Bayern Munich
Replica of the Padrão of Sunda Kalapa (1522), a stone pillar commemorating a treaty between Portuguese Kingdom and Hindu Sunda Kingdom, at Jakarta History Museum.
The 5th century Tugu inscription discovered in Tugu district, North Jakarta
Dutch Batavia built in what is now Jakarta, by Andries Beeckman c. 1656
The City Hall of Batavia (Stadhuis van Batavia), the seat of the Governor General of the VOC in the late 18th century by Johannes Rach c. 1770. The building now houses the Jakarta History Museum, Jakarta Old Town.
Monas which stands in the centre of Merdeka square, commemorates the Indonesian struggle for independence.
Jalan Jenderal Sudirman, Jakarta's main avenue and business district
Governor's office at Jakarta City Hall Complex
Map of the municipalities (Kota administrasi) in Jakarta province. Each city is divided into districts (Kecamatan).
Ancol beach
Boat ride at Indonesian archipelago lake in Taman Mini Indonesia Indah
Ancol Gondola
Gereja Santa Perawan Maria Diangkat Ke Surga, Paroki Katedral Jakarta is the metropolitan see of the Archbishop of Jakarta. This cathedral is located in front of Istiqlal Mosque.
Ondel-Ondel, often used as a symbol of Betawi culture
Gado-gado is a popular Indonesian salad dish
National Museum of Indonesia in Central Jakarta
Indonesia Museum in Taman Mini Indonesia Indah
File:Merdeka Square Monas News Van.JPG
A Metro TV news van parked in Merdeka Square, Jakarta
The TVRI Tower in Senayan, South Jakarta
Night view of SCBD (Sudirman Central Business District), Jakarta
Bank Indonesia head office in Central Jakarta
Mall Taman Anggrek, West Jakarta
File:Jakarta7.JPG
Grand Indonesia Shopping Town in Central Jakarta
Pinisi at Sunda Kelapa harbor
Part of Jakarta Inner Ring Road or Jalan Tol Lingkar Dalam Jakarta in Grogol Petamburan, West Jakarta
Jakarta pedestrians, joggers and bicyclists take over the main avenue during Car-Free Day
Argo Bromo, a non-stop train connecting Jakarta and Surabaya
A taxicab waiting at a mall in Jakarta
Jakarta double-decker city tour bus passing through Jakarta landmarks and points of interest
TransJakarta has the world's longest bus rapid transit routes.
A KRL Jabotabek commuter train
Jakarta MRT construction in Jalan M.H. Thamrin, in 2016.
Soekarno–Hatta International Airport Terminal 3
Facade of the Museum Bank Indonesia in Kota Tua
Wisma 46 in post-modernist architecture, currently fourth tallest building in Jakarta.
File:Monumen nasional jakarta.jpg
Night view of Monas, the Jakarta landmark
Football match at Gelora Bung Karno Stadium.
Faculty of Medicine, University of Indonesia
The Secretariat of ASEAN at Jalan Sisingamangaraja No.70A, South Jakarta, Indonesia
A live Cominella adspersa at Castlepoint, New Zealand.
Arcangeliella crassa is one of the milk-caps with closed fruitbodies that are phylogenetically nested within Lactarius.
Lactarius quietus exuding cream-colored latex from gills upon cut.
Spores of Lactarius alnicola showing a reticulate (net-like) ornament with an amyloid stain reaction.
Lactarius indigo is one of the most strikingly colored Lactarius.
Lactarius pyrogalus mainly associates with common hazel.
Lactarius deliciosus for sale on a market in Barcelona, Spain
School of Law at the Federal University of Pernambuco.
Ricardo Brennand Institute. The "best museum in South America".[106]
Bicycle path in Boa Viagem Beach.
General Headquarters Command of Pernambuco Military Police.
Signs warning of shark attacks at Boa Viagem Beach.
Natural pools – Boa Viagem Beach.
Mário Schenberg
Paulo Freire
Statue of Clarice Lispector in Recife.
Rivaldo
Palmoxylon
Fossil trunks of Palmoxylon from Quaternary of Libyan Sahara
Podocarpus macrophyllus with mature seed cones
P. totara
P. oleifolius
P. neriifolius
Sori, borne on the back of the leaflet, are globose and naked as in this Polypodium amorphum
Polypodium formosanum cv. 'Cristatum'
Polypodium nipponicum
Polypodium percussum
Brown meagre
Sciaena umbra juvenile
Buccinum polare Gray, 1839. Museum specimens.
Buccinum undatum Linnaeus, 1758 – museum specimen
Cooked whelks removed from the shell
Dog whelk
Colour variability of shells of Nucella lapillus.
Nucella lapillus snails and its freshly laid egg capsules.
Empty egg capsules of Nucella lapillus.
Neptunea despecta
Front view of A. moreni skull
In flight
Egg, Collection Muséum de Toulouse
Banded chick on Gannet Island, Labrador
With common murres, Runde, Norway.
Underside of Asterias forbesi
Purse seine boats encircling a school of menhaden
Global commercial capture of menhaden in million tonnes 1950–2010[107]
Capture of menhaden in 2010 reported by the FAO[107]
Live channeled whelks for sale in a California seafood market
Blue Crab escaping from the net at Core Banks, North Carolina.
Female blue crab with eggs
Cooked blue crabs
Cooked blue crabs, shown here on sale at a fish market in Washington, D.C., are red.
A molted carapace of Cancer irroratus from Long Beach, New York.
Top view, Lady Evelyn-Smoothwater Provincial Park, Ontario
Cythara
Electra at the Tomb of Agamemnon, Frederic Leighton c. 1869
Orestes, Electra and Hermes at the tomb of Agamemnon, lucanian red-figure pelike, c. 380–370 BC, Louvre (K 544)
Electra and Orestes, from an 1897 Stories from the Greek Tragedians, by Alfred Church
Lower jaw of the holotype
Osteoderms
Entobia in a modern bivalve. Note the characteristic chambers connected by short canals.
Entobia from the Prairie Bluff Chalk Formation (Maastrichtian, Upper Cretaceous) of Starkville, Mississippi. Preserved as a cast of the excavations.
Wolverine skull from the Pleistocene of Germany at the Berlin's Natural History Museum
File:MSU V2P1b - Gulo gulo skull.png
Skull, as illustrated by N.N. Kondakov
Skeleton
Video of a wolverine in the Helsinki Zoo
Wolverine on rocky terrain
Captive at the Kristiansand Zoo, Norway
The Wolverine pendant of Les Eyzies, when wolverines were still found in southern France
Bog turtle
A bog turtle lifting its head slightly while on grass
An adult specimen
Bog turtle habitat in the southern Appalachians of western North Carolina, during a search for turtles by conservation organisations
A bog turtle standing on all fours walking through a thick patch of grass, viewed from abaove.
Walking in thick grass highlights the turtle's size
Two skunks displaying their tails and backsides. The skunk on the right is larger than the one on the left, and both are facing towards the middle of the image.
Striped skunks prey on the bog turtle.
A bog turtle with its tail pointed towards the left of the screen and its head facing the right of the screen. The turtle is looking sharply to its left, away from the viewer.
A young individual
A baby bog turtle held in a palm
A bog turtle held in the hand of a man releasing it. Close up of the turtle's head as he or she looks to the left
A captive-reared bog turtle is released into the wild, with affixed radio transmitter
A controlled burn progressing as flames engulf a small area of vegetation
A controlled burn in progress
Modiolus modiolus at stamp of Faroe Islands by Postverk Føroya.
Woodland jumping mouse
Woodland jumping mouse killed by cat in Sheffield, Vermont, with ruler for scale
Pagurus anachoretus
Pagurus bernhardus
Long-armed hermit crab, Pagurus longicarpus
Hairy hermit crab, Pagurus hirsutiusculus, outside its shell – note the soft-shelled and curved abdomen (top of photo)
Tooth of Palaeocarcharodon from Atlas mountain in Morocco. 60 mya, long 3 cm.
Subspecies P. c. capitalis, Grand Tetons, Wyoming
Subspecies P. c. capitalis (left) and P. c. obscurus (right); illustration by Keulemans, 1877
Perisoreus canadensis obscurus in Mount Rainier National Park
Grey, sooty plumage of a juvenile
Female incubating her eggs
A hatchling
Pair of jays feeding their nestlings
Bold grey jay, typical of those individuals accustomed to humans
A researcher holding up a large striped bass
Striped bass brisket with a lima-fava bean puree
New Jersey Pine Barrens demonstrating lighter skin tones
Mer Bleue Conservation Area, showing dark skin tones
Spring mating calls
Green frog pair in amplexus: Note large tympanum of male, on top, and small tympanum of the female
Lithobates sylvaticus found in southern Quebec
Weight vs. length for red drum (data from Jenkins 2004)
A vertebra in dorsal (top) and posterior (end) view, referred to Thecachampsa sp. by William Bullock Clark in 1901
A tooth referred to Thecachampsa sericodon by William Bullock Clark in 1901
A tooth in lateral (side) and basal (bottom) view, referred to Thecachampsa contusor by William Bullock Clark in 1901
Coprolite attributed to Thecachampsa
A fragment of a lower referred to Thecachampsa marylandica by William Bullock Clark in 1901
Tuba
Tuba by Wieprecht & Moritz as described in Prussian patent No.19.
Tuba section in a British style brass band
Comparison of euphonium (left) and tuba (right)
Tuba with four rotary valves
"Kaiserbass" (tuba in B♭) and cornet
Felucca used in the Strait of Messina to hunt swordfish
Global capture of swordfish in tonnes reported by the FAO, 1950–2009[107]
Swordfish on deck during long-lining operations
Turnaround video of Specimen No. 57 and a razorbill, Naturalis Biodiversity Center
The "Great Auk, Northern Penguin, or Gair-Fowl", wood engraving by Thomas Bewick in A History of British Birds, 1804 [a]
A large bird with a black back, white belly, and white eye patch stands on a rock by the ocean, as a similar bird with a white stripe instead of an eyepatch swims.
Summer (standing) and winter (swimming) plumage, by John Gerrard Keulemans
A large, elongate egg is sketched, primarily white with brown streaks condensing closer to the larger end.
Paintings showing variation in egg markings, as well as seasonal and ontogenic differences in plumage
A large, triangular rock rises from the misty waters, with more islands behind and northern gannets flying around it.
Stac an Armin, St. Kilda, Scotland, one locality where the great auk used to breed
Two summer great auks, one swimming and facing right while another stands upon a rock looking left, are surrounded by steep, rocky cliffs.
Great Auks by John James Audubon, from The Birds of America (1827–1838)
A summer great auk tilts its head back, swallowing a fish.
Great auk eating a fish, by John Gould
Nesting ground with juveniles and eggs, by Keulemans
Cast of an egg, Museum Wiesbaden
A sketch of four bones of the great auk, all long. The first two on the left are shorter and hook and fatten at the end, while the third is straight. The fourth has a nub on both ends.
Illustration of two Humeri (1) and two Tibiae (2), bones of the great auk uncovered by archaeologists in an ancient kitchen midden in Caithness
The only known illustration of a great auk drawn from life, Ole Worm's pet, received from the Faroe Islands, 1655
Eldey, last refuge of the great auk
Specimen No. 3 in Brussels, one of the two last birds killed on Eldey in 1844
Specimen No. 39, skeleton, and replica egg at Senckenberg Museum
Internal organs of the last two great auks, Zoological Museum of Copenhagen
Monument to the last British great auk at Fowl Craig, Orkney
Balsam fir (Abies balsamea) essential oil in clear glass vial
Balsam fir krummholz on Mount Hight, New Hampshire
N. lutea (American lotus)
Nelumbo 'Mrs. Perry D. Slocum'- Dried seed pod
Lotus in lake, showing leaves, buds, flowers, seed heads
Nelumbo nucifera bud
Foliage of Nelumbo nucifera: an example of the lotus effect after rain.
File:File:Seated Amida Nyorai (Amitabha), Kamakura period, 12th-13th century, wood with gold leaf and inlaid crystal eyes - Tokyo National Museum - DSC05345.JPG
Amitābha
Buddha Amitābha in Tibetan Buddhism, traditional thangka painting
Portrait of Buddha Amitābha attached in Annotation to the Infinite Life Sutra (Ch. 佛說大乘無量壽莊嚴清淨平等覺經科註)
Statue of the Buddha Amitābha (Mongolia, 18th century)
Kōtoku-in
Mandala of Amitayus, Tibet, 19th century, Rubin Museum of Art
This altar display at a temple in Taiwan shows Amitābha flanked by Mahāsthāmaprāpta on his left and Guanyin on the right
Tang dynasty Amitābha sculpture, Hidden Stream Temple Cave, Longmen Grottoes, China
The Food of the Gods on Olympus (1530), majolica dish attributed to Nicola da Urbino
Thetis anoints Achilles with ambrosia, by Johann Balthasar Probst (1673–1748)
Lycurgus attacking the nymph Ambrosia (mosaic from Herculaneum, 45–79 AD)
Native eastern white pine, Sylvania Wilderness, Michigan
Partial distribution map of Pinus strobus in North America
Measuring the circumference of an Eastern White Pine
White pine boughs, showing annual yellowing and abscission of older foliage in the autumn. Upstate New York, USA.
An illustration dated 1902, showing a variety of insect pests affecting eastern white pine
Board of Pinus strobus
Foliage
Closed, mature cones
P. banksiana forest with Vaccinium groundcover
Ball-and-stick model of the tetraamminediaquacopper(II) cation, [Cu(NH3)4(H2O)2]2+
This high-pressure reactor was built in 1921 by BASF in Ludwigshafen and was re-erected on the premises of the University of Karlsruhe in Germany.
Ammoniacal Gas Engine Streetcar in New Orleans drawn by Alfred Waud in 1871.
The X-15 aircraft used ammonia as one component fuel of its rocket engine
Anti-meth sign on tank of anhydrous ammonia, Otley, Iowa. Anhydrous ammonia is a common farm fertilizer that is also a critical ingredient in making methamphetamine. In 2005, Iowa used grant money to give out thousands of locks to prevent criminals from getting into the tanks.[109]
The world's longest ammonia pipeline, running from the TogliattiAzot plant in Russia to Odessa in Ukraine.
Hydrochloric acid sample releasing HCl fumes, which are reacting with ammonia fumes to produce a white smoke of ammonium chloride.
Production trend of ammonia between 1947 and 2007
Main symptoms of hyperammonemia (ammonia reaching toxic concentrations).[110]
Ammonia occurs in the atmospheres of the outer gas planets such as Jupiter (0.026% ammonia) and Saturn (0.012% ammonia).
Ball-and-stick model of the diamminesilver(I) cation, [Ag(NH3)2]+
File:File:Arius püspök.jpg
Arius
Huge swarms of Chaoborus edulis, resembling distant plumes of smoke over Lake Malawi's water
Chariot clock in National Statuary Hall by Carlo Franzoni, 1819, depicting Clio, titled the Car of History.
Clio: the Muse of History by Artemsia Gentileschi.
Three Phragmites australis seedlings: A.) very young, B.) juvenile, C.) the oldest (3-4 months). Roman numerals denote different shoot generations. Sc = scutellum.
(From Om Skudbygning, Overvintring og Foryngelse by Eugen Warming, 1884)
A previously sandy beach 'invaded' by Phragmites australis reeds.
Sipsi
The duduk or mey mouthpiece is a flattened piece of giant reed (arundo donax) a relative of common reed, itself used in zurna
Clio by Pierre Mignard.
A fedora made by Borsalino with a gutter-dent, side-dented crown, the front of the brim "snapped down" and the back "snapped up"
Another example of a fedora made by Borsalino, with a pinch-front teardrop-shaped crown
Frank Sinatra as Tony Rome, sporting a fedora
Man wearing fedora c. 2017
The illustration that accompanied the 1904 description of the mouse catshark, as Pristurus murinus.
A roughtail catshark (G. arae) in its natural habitat; members of this genus occur close to the bottom in deep water.
Close-up from above of the caudal fin denticle crest of the longfin sawtail catshark (G. cadenati); such crests are shared by all Galeus species.
Drawing of Azolla filiculoides, about 5 mm. Upper green leaves perform photo synthesis, lower lack chlorophyll.
Azolla covering the Canning River, Western Australia
Azolla on the Canning River, Western Australia
SEM image of Azolla surface
Scanning electron micrograph of a megaspore of the genus Azolla with adhering massulae from postglacial sediments of Laguna El Junco, Galápagos Island of San Cristóbal[111]
Transmission electron micrograph of a megaspore of the genus Azolla from postglacial sediments of Laguna El Junco, Galápagos Island of San Cristobal[111]
Alangium salviifolium.
Bishop Borgna
Araucaria araucana with seed cones
Three members of the genus growing together – left to right, Araucaria columnaris, Araucaria cunninghamii and Araucaria bidwillii
Araucaria columnaris sapling with distinctive axial bud.
Araucaria heterophylla leaves
Petrified cone of Araucaria mirabilis from Patagonia, Argentina dating from the Jurassic Period (approx. 157 mya)
Canavalia cathartica illustration. Francisco Manuel Blanco, Flora de Filipinas, etc. (1880-1883)
Canavalia lineata
Hornbeam
Hornbeam trunk
Beanpods and leaf details of the northern catalpa
The catalpa tree in Reading, Berkshire, England
Autumn foliage
Large, dark purple clematis flower with white finger stamens in sunlight
Purple clematis
Clematis armandii
Clematis 'Multi Blue'
Clematis florida
C. montana
Flowers of C. vitalba
Seed heads of C. vitalba growing in a hedge, showing why it is known colloquially as "old man's beard"
Achenes
Fruits of C. dioica in Guanacaste, Costa Rica
C. terniflora seed cluster
Male caste of C. degeeri
Worker caste of C. corticicola
Arboreal carton nest of C. castanea
C. castanea worker tending a treehopper in a Pigeonwood tree
Mature spindle fruit (Euonymus sp.), split open to reveal the seeds
Euonymus fortunei in a nursery
Fokienia hodginsii
Helios
Helios in his chariot, early 4th century BC, Athena's temple, Ilion
Solar Apollo with the radiant halo of Helios in a Roman floor mosaic, El Djem, Tunisia, late 2nd century
Helios as the personification of midday by Anton Raphael Mengs. Notice the apollonian traits absent in mythology and Hellenic art, such as the lack of a chariot and the bow and arrow.
Coin of Roman Emperor Constantine I depicting Sol Invictus/Apollo with the legend SOLI INVICTO COMITI, c. 315 AD.
Bust of Alexander the Great as an eidolon of Helios (Musei Capitolini).
Colossus of Rhodes
Mooneye caught in Quetico Provincial Park, Ontario
In August,Czech Republic
In winter, France
Walnut tree - Juglans regia L. Claimed to be the oldest walnut tree in the world. Near Khotan, Xinjiang, China, in 2011
Nuphar
Nuphar sagittifolia (Walter) Pursh, leaves sagittate
Unripe fruit of Nuphar lutea
"Field" of Nuphar on a small lake, Kenai National Wildlife Refuge, Alaska
Mime artists Jean Soubeyran and Brigitte Soubeyran in 1950.
Mime Pablo Zibes.
A Dog's Life (1918). Charlie Chaplin.
Whitefaced mime on Boston Common in 1980
Paulownia fortunei flowers and bark
This paulownia flower pattern (go-shichi-no-kiri) is the symbol of the Office of the Prime Minister of Japan. It also decorates the Order of the Rising Sun and the Order of the Paulownia Flowers.
A Japanese Kobundō (小分銅), 95–97% gold, "Paulownia" Kiri () mark, Kikubana (菊花) emblem, 373.11 grams, Japan
Pithecellobium dulce
Rhamnus crocea flowers
Taeniolabis taoensis skull, Am. Mus. 16321.
Water caltrop (T. natans) seeds
Water caltrop field in Tainan City
Grave of J. R. R. Tolkien and Edith Tolkien
Saguaro cactus flowers and buds after a wet winter. This is Arizona's official state flower.
The North Rim of the Grand Canyon.
Mexico in 1824. Alta California is the northwestern-most state.
Geronimo (far right) and his Apache warriors fought against both Mexican and American settlers
Children of Depression-era migrant workers, Pinal County, 1937
Eleanor Roosevelt at the Gila River relocation center, April 23, 1943
Köppen climate types of Arizona
The Horseshoe Bend of the Colorado River.
West Mitten at Monument Valley
Blue Mesa at Petrified Forest National Park
The Grand Canyon.
San Francisco Peaks seen from Bellemont, Arizona
Sonoran Desert at Saguaro National Park
Cathedral Rock near Red Rock Crossing in Sedona
A population density map of Arizona.
Extent of the Spanish language in the state of Arizona
View of suburban development in Scottsdale, 2006
Art Deco doors, Cochise County Courthouse, Bisbee, AZ
The Spanish mission of San Xavier del Bac, founded in 1700.
Arizona's Meteor Crater is a tourist attraction.
Entering Arizona on I-10 from New Mexico
A Navajo man on horseback in Monument Valley
The original Arizona State Capitol, Phoenix
Treemap of the popular vote by county, 2016 presidential election.
The University of Arizona located in Tucson.
Arizona State University located in Tempe.
Northern Arizona University located in Flagstaff.
View of Monument Valley from John Ford's Point
Standin' on the Corner Park and mural in Winslow, Arizona
A spring training game between the Cubs and White Sox at HoHoKam Park.
Cactus wren, the Arizona state bird
Spotted thick-knee
Threat display of a spotted thick-knee in defence of its chicks
Double-striped thick-knee
Eurasian stone-curlew distribution. Different colours indicate area of migration.
Bush stone-curlew
Spotted thick-knee with chick
Eurasian stone-curlew eggs
Spotted Thick-knee in a garden in South Africa.
Turnaround video of a C. c. carolinensis specimen at Naturalis Biodiversity Center
Illustration by Jacques Barraband, 1801
Photo of a live pet specimen, 1906
Turnaround video of a C. c. ludovicianus specimen, Naturalis
Turnaround video of a mounted skeleton, Naturalis
C. c. ludovicianus by John James Audubon
Illustration by John James Audubon
red dome blanketflower (Gaillardia pinnatifida)
Gaillardia 'Fanfare'
Texas horned lizard in Beeville, Texas
C. decurrens foliage and male cones
A. t. multiscutatus
The button rattle of a juvenile
The closeup of head at the Zoological Garden, Ulm, Germany
A skeleton at the Museum of Osteology, Oklahoma City, Oklahoma
C. atrox, patternless specimen
C. atrox
A male crotalus atrox with a pair of intromittent organs called hemipenes, used for reproduction
Male collared lizard, with blue-green body and yellow-brown head, at the Wichita Mountains Wildlife Refuge near Lawton, Oklahoma
Gila monster
Plate from the Century Cyclopedia depicts the Gila monster
Head with bead-like scales and strong forelegs and claws suitable for digging
A reticulated Gila monster (H. s. suspectum)
Gila monster at the Bristol Zoo
File:MSU V2P1b - Mustela nivalis subspecies painting.png
Various least weasel subspecies; (from left to right) M. n. pygmaea, M. n. nivalis, M. n. pallida, M. n. vulgaris, M. n. boccamela, M. n. heptneri
Two least weasels fighting
Weasel at the British Wildlife Centre
Skulls of a long-tailed weasel (top), a stoat (bottom left) and least weasel (bottom right), as illustrated in Merriam's Synopsis of the Weasels of North America
Skeleton, as illustrated in Lydekker's The New Natural History
The winter coat is conspicuous when there is no snow on the ground.
Taxidermy exhibit showing a least weasel attacking a European hare, in the Natural History Museum of Genoa
Least weasels driven from a mountain hare carcass by a stoat, as illustrated in Barrett-Hamilton's A History of British Mammals
Alaskan weasel Mustela n. eskimo
17th century print of a weasel confronting a basilisk
Common chuckwalla, Sauromalus ater
Common chuckwalla Sauromalus ater at Bristol Zoo, England
Chuckwalla (S. ater) in rocky area of Death Valley National Park
Cythara
Lemoine's incorrect 1881 illustration of G. eduardsii (now G. parisiensis)
Life restoration of G. steini (now G. gigantea) with outdated, ratite-like plumage, 1917
Reconstructed G. geiselensis skeleton
Skull and mandible of G. gigantea specimen AMNH 6169
Skeletal restoration of G. gigantea
Supposed Gastornis feathers which turned out to be plant material
Life restoration of G. gigantea, a species found in North America
Crinoid
A stalked crinoid drawn by Ernst Haeckel
Close-up on the calyx of a characteristic abyssal stalked crinoid. Ten arms are visible, with their pinnules.
Close-up on the pinnules with visible rows of translucent podia.
A stalked crinoid (white) and a comatulid (red) in deep sea, showing the differences between these two sister groups
Agaricocrinus americanus, a fossil crinoid from the Carboniferous of Indiana
Middle Jurassic (Callovian) Apiocrinites crinoid pluricolumnals from the Matmor Formation in Hamakhtesh Hagadol, southern Israel
Colorful crinoids at shallow waters of Gili Lawa Laut
Multiple crinoids occupying the reef of Nusa Kode Island
Upper surface of right tibia. (Anterior is at top.)
Knee
Bones of the right leg. Anterior surface
Lower extremity of tibia seen from the front
Lower extremity of tibia seen from the back
Plan of ossification of the tibia. From three centers.
Epiphysial lines of tibia and fibula in a young adult. Anterior aspect.
Satellite view of the region.
Another view of the region.
Kouros of Tenea with the archaic smile
Apollo of Tenea in the Pushkin Museum
Velleda, as imagined in a 19th-century painting by Charles Voillemot.
Red panda descending head first
Red panda skull
A Red panda lies sleeping on a branch high in a tree, with tail stretched out behind and legs dangling on each side of the branch
Red panda sleeping
Sounds of red panda twittering
Red panda standing
Red panda gnawing
Red panda and its herbivore diet
Red panda tending its cub
Captive red panda
Closeup of red panda
The red panda in the Taronga Zoo, Australia
Red panda resting on a tree
Red panda at Prospect Park Zoo, New York, US
Red panda in a ginkgo tree
Red panda gnawing on an exfoliated bamboo bush
Captive red panda
Captive red panda
Captive red panda
Drawing and description of red panda in the Zhonghua Da Zidian, 1915
Bigeye thresher
Bigeye threshers are often caught on longlines.
Early 19th century shad fishing on the Peedee (Greater Pee Dee) River, South Carolina.
Grey heron
Head, with neck retracted
(video) A grey heron foraging on mudflats
Swallowing an eel
Heronry in Stuttgart, Germany
Building nest
Eggs, collection Museum Wiesbaden
Seeking food from a zoo penguin enclosure
"The Heron. Common Heron, Heronsewgh, or Heronshaw. (Ardea cinerea, Lath.—Héron cendré, Temm.)" wood engraving by Thomas Bewick in his History of British Birds, volume 2, 1804
Botrychium
Botrychium virginianum
Sceptridium dissectum
Wintering at the Wadden Sea, Germany
Eggs, Collection Museum Wiesbaden
In a defensive position
Female Busephala clangula with chicks
Eggs, Collection Museum Wiesbaden
Adult in breeding plumage; note sharp margin of breast colour
Egg of Gallinago media - (Muséum de Toulouse)
Great snipe
Müller and Henle's illustration of a silky shark, accompanying their original species description
Underwater side view of a streamlined olive shark with a pointed snout and a small dorsal fin against blue water
The silky shark is typically encountered in open water.
Upper teeth
Lower teeth
Several spindle-shaped, silvery fish with crescent-shaped tails
Tuna are a favored prey of the silky shark, which is often found trailing their schools.
A shark, smaller than the adults previously shown, but otherwise similar, lying on the deck of a ship
A juvenile silky shark – this species gives birth to live, fully formed young.
A brown shark half hauled out of the water by a fishing line coming from the corner of its mouth
A silky shark caught by a sport angler – this shark is heavily fished in many regions.
Spotted seatrout weight vs. length[112]
Speckled trout are among the top ten species for recreational fishing in the United States.
Southern stingray
Southern stingray
Jaws
Side view of a dark brown stingray swimming over a sandy flat
A roughtail stingray at the McGrail Bank in the Gulf of Mexico; sandy flats are a favored habitat of this species.
Line drawing of a stingray from above
The roughtail stingray is characterized by the angular shape of its disc and the thorns over its body and tail.
Side view of a stingray over a field of rocks scattered on sand, with small fish nearby
The roughtail stingray typically forages for food on the sea bottom, but will also take prey from the water column.
A stingray on the deck of a ship, surrounded by other caught fish and fishery workers
A roughtail stingray caught in the Gulf of Mexico; this specie was fished in United States waters.
Bluntnose stingray
The bluntnose stingray is characterized by the shape of its disc and snout.
A Deinosuchus jaw fragment, exhibited at the North Carolina Museum of Natural Sciences: Fossils of this large alligatoroid have been discovered in 10 US states and northern Mexico.
Deinosuchus may have preyed upon large ornithopods. Kritosaurus lived alongside the giant crocodilian in the Aguja Formation ecosystem.[113]
Reconstructed skull of D. riograndensis, Museo de la Evolución de Puebla
The osteoderms of Deinosuchus, as illustrated by W.J. Holland. They are proportionately much thicker than those of modern crocodilians
Ebenezer Emmons illustrated two fossil teeth in 1858. Most likely, they belonged to the crocodilian that would later be named Deinosuchus.
This skull reconstruction, exhibited at the American Museum of Natural History for nearly a half-century, is probably the best known of all Deinosuchus fossils. The darker-shaded portions are actual fossil bone, while the light portions are plaster.
Deinosuchus scutes and vertebra, Carnegie Museum of Natural History.
The constellation Delphinus as it can be seen by the naked eye.
Delphinus is depicted on the left of this card from Urania's Mirror (1825)
Head of a puffin showing its colourful beak
Adult puffins have boldly coloured beaks in the breeding season.
Beak before and after moulting
Appearance of beak and eyes during the breeding season (left) and after the moult (right; lettered items have been shed)
A puffin floating on the sea
Bobbing about on the waves off the coast of northern Norway
Atlantic puffins on a cliff-top at Skellig Michael, County Kerry, Ireland
Birds on rocks
Relaxation in the colony
Establishing dominance
Establishing dominance
Pair outside burrow
Pair outside burrow on Skomer Island, Wales
Typical Atlantic puffin breeding habitat in Iceland
Egg at Museum Wiesbaden Germany
Adult with fish
Adult returning with sand eels to feed the chick
Fledgling
Nearly fully fledged, near its burrow and at risk of predation
Juvenile
Juvenile recently emerged from the nest
In flight
In flight over the Isle of May, Scotland
Watching puffins
Approaching nesting birds too closely may jeopardise the colony
Stamp
Faroe Islands 1978 postal stamp by Holger Philipsen
Atlantic cod juvenile
Atlantic cod.
Capture of Northeast and Northwest Atlantic cod 1950–2012, (FAO)
Atlantic cod are demersal fish—they prefer sea bottoms with coarse sediments.[114]
Estimated biomass of the Northeast Arctic cod stock for the period 1946–2012, in million tons: Light blue bars represent the immature fraction of the stock, while the darker blue bars represent the spawning biomass.[115]
Sarus crane
In flight, the black primaries contrast with the otherwise grey wings (Bharatpur, India).
View of the head
All cranes have a raised and much reduced hind toe.
A flock of sarus cranes in a field in Gujarat
The long coiled trachea that produces the trumpeting calls
Egg, Muséum de Toulouse
A pair with young in Velavadar
Age and plumage changes
These cranes are usually seen in pairs or small groups (Sultanpur National Park)
A family group of two adults and a juvenile
The Floating Feather : a painting by Melchior d'Hondecoeter (c.1680) of the birds in the menagerie of William III of England at the Het Loo Palace showing a sarus crane in the background.
A plate by Johann Michael Seligmann published between 1749 and 1776 based on a work by George Edwards
Foraging in marshland (Bharatpur)
A photo of the site where the fossils were found (2010)
Benjamin Waterhouse Hawkins' mounted Hadrosaurus, the first mounted dinosaur skeleton in the world
Reconstructed skeleton, Academy of Natural Sciences
Plates from Leidy's description
Eurasian oystercatcher flying on Loch Sligachan on the Isle of Skye, Scotland
Egg - MHNT
An Indo-Pacific sailfish raising its sail
Exhibiting sail-raising behavior
Ernest Hemingway in Key West, Florida, USA, in the 1940s, with a sailfish he had caught
Capture of Indo-Pacific sailfish in tonnes from 1950 to 2009
Characteristic shape in old field succession
A log sawn in two and turned on a lathe, exposing the pale sapwood and the reddish heartwood
"Berries" of the 'Corcorcor' cultivar
Pygmy sperm whale
Skull
Pygmy whale teeth on its lower rostrum
Two L. a. argenteus individuals on the shore of Coumeenoole Bay, Ireland
Bird Sound
Adult Larus argentatus with yellow legs to the right, its offspring has the normal pink colour. This bird is not to be confused with the always yellow-legged Larus michahellis. Photo from Warnemünde (harbour of Rostock), Mecklenburg-Vorpommern, Northern Germany.
Herring gull producing waste near Île-de-Bréhat
Feeding behaviours of the European herring gull.
Stealing an egg from a common murre
Fighting for a fish.
Eggs, Collection Museum Wiesbaden, Germany
Tearing open a bin bag
Stealing food from a man's hand
Perching on spikes designed to discourage perching birds
Rubbish bag designed to resist scavenging behaviour
Honeysuckle
Honeysuckle Lonicera japonica
Honeysuckle -- Lonicera
L. ciliosa
L. japonica fruit
L. hispidula
L. sempervirens
L. tatarica
L.caprifolium, Chèvrefeuille
Various sizes of Lophius americanus
Juvenile tilefish
Adult
Juvenile specimen
Tilefish, making a burrow inside a clay deposit.
Intact fish skeleton at the North Carolina Museum of Natural Sciences
Approximately triangular piece of pink-to-red fish
An 8-oz (230-g) marlin filet
Intact fish skeleton at the North Carolina Museum of Natural Sciences
Approximately triangular piece of pink-to-red fish
An 8-oz (230-g) marlin filet
Egg, Collection Museum Wiesbaden
Fins, barbel and lateral line on a haddock. Haddock have three dorsal fins and two anal fins.
Smoked Haddock served with onions and red peppers
Illustration of a narwhal and a beluga, its closest living relative
Complete skeleton at the Zoological Museum of the Zoological Institute of the Russian Academy of Sciences
This narwhal skull has rare double tusks. Usually, the canine tooth only on the left side of the upper jaw becomes a tusk. Rarely, males develop two tusks. This specimen, however, was of a female (Zoologisches Museum, Hamburg; collected in 1684)
Narwhals in the Creswell Bay at Somerset Island
A polar bear scavenging a narwhal carcass
Male narwhal captured and satellite tagged
The head of a lance made from a Narwhal tusk with a meteorite iron blade
Image of narwhal from Brehms Tierleben (1864–1869)
Eskimo curlew
Illustration (middle) by Louis Agassiz Fuertes
Nonbreeding range of Eskimo curlew.
Specimen in the Museum of Comparative Zoology
Illustration by John James Audubon
Oyster toadfish
Laysan albatross with chick on Midway
The then at least 60-year-old female named Wisdom with her chick, in March 2011
Chick, Midway Atoll
Laysan albatross rookery on Midway Atoll
Black-footed albatross
Longleaf pine needles from a 30 m specimen near Tallahassee, Florida
Longleaf pine: 'grass stage' seedling, near Georgetown, South Carolina
Pinus palustris
Naturally regenerated longleaf pines in DeSoto National Forest, Mississippi
Trolling for blue fish lithograph by Currier & Ives, 1866
A large bluefish.
Ovary of fish with visible Philometra females - lower row: bluefish
White-chinned petrel
Illustration by Joseph Smit, 1896
On track near Mount Hobson, Great Barrier Island, 2011
Off Wollongong, Australia
Illustration of the skull of a false killer whale
False killer whale skull specimen exhibited in Museo di storia naturale e del territorio dell'Università di Pisa
Photo of one large and one small animal soaring into the air
False killer whale and bottlenose dolphin at the Enoshima Aquarium, Japan
The Flinders Bay beaching, 1986
Illustration by Chester A. Reed
P. l. lherminieri chick in nest burrow on Little Tobago.
Puffinus lherminieri persicus
Audubon's shearwater Puffinus lherminieri bailloni of Reunion Island.
Circa 275–270 BC
Cast coin. Obverse: bust of Hercules l.; three pellets. Reverse: prow of galley; three pellets.
Teruncius (Apulia, Lucera. Circa 220 BC
Augustus Quadrans
Quadrans of Domitian
Flower of Ranunculus glaberrimus
Glacier buttercup Ranunculus glacialis
File:Ranunculus glaberrimus .JPG
Sagebrush buttercup (Ranunculus glaberrimus)
Straightbeak buttercup (Ranunculus orthorhynchus)
Creeping buttercup (Ranunculus repens)
Ranunculus asiaticus, a cultivated form
Seed head of Ranunculus showing developing achenes
Wapato bulb
Crisps (chips) made from tuber
Common eiders (Somateria mollissima) in the breeding season on Texel, the Netherlands.
A common eider skull
Egg, Collection Museum Wiesbaden
A school of scalloped hammerheads.
Flash-fried whole scup
Eggs, Collection Museum Wiesbaden
Long-tailed jaeger in flight
Eggs, Collection Museum Wiesbaden
An immature parasitic jaeger
Royal tern in flight at Morro Bay, California.
Adult royal tern and sandwich tern (right) in flight at Core Banks, North Carolina.
Breeding plumage
Eggs, Collection Museum Wiesbaden
Eggs, Collection Museum Wiesbaden
SW Queensland, Australia
Rotuman tautoga performed in 1981 celebrating Rotuma's cession to Great Britain
Tautog
Illustration of White Marlin
Atlantic bluefin tuna migration
Capture of Atlantic bluefin tuna in tonnes from 1950 to 2009
Eggs, Collection Museum Wiesbaden
A Cuvier's beaked whale surfaces in Ligurian Sea
A stranded Cuvier's beaked whale
Dombeya elegans
Dombeya pilosa flowers
Dombeya burgessiae
Montparnasse derailment, France, 1895
One error and its catastrophic results: Napoleon's retreat from Moscow, painted by Adolph Northen in the 19th century
Herzliya Airport (Israel) runway location and traffic pattern chart (left) was erroneously printed as a result of "black layer" 180° misplacement. The corrected chart is on the right.
The 'Judas' Bible in St Mary's Church, Totnes, Devon. This edition is known as the 'Judas' Bible because in Matthew c26 v36 'Judas' appears instead of 'Jesus'. In this copy the mistake is corrected with a slip of paper pasted over the misprint.[116]
Erroneous traffic sign in Israel. The correct sign is depicted on the lower-right corner.
Rape of Orithyia by Boreas. Detail from an Apulian red-figure oinoche, 360 BC.
The Abduction of Orithyia (ca. 1730), by Francesco Solimena
Zanthoxylum
Z. piperitum Fruits and seeds
Z. rhetsa bark in Pakke Tiger Reserve
Leafless Z. simulans showing its knobbed bark
Schematic of the bulk feeding method employed by modern mysticetes. It is plausible that Aetiocetus used a variation of this method using a combination of baleen and teeth.
Lek mating arena, in which each male guards a territory of a few meters in size on average, and in which the dominant males may each attract up to eight females.[117] In addition, each individual is shown with variations in personal space (bubbles), whereby higher-ranking individuals have larger personal space bubbles.[118] Common bird leks typically have 25–30 individuals. A strict hierarchy accords the most desirable top-ranking males the most prestigious central territory, with ungraded and lesser aspirants ranged outside. Females come to these arenas to choose mates when the males' hierarchy has become established, and preferentially mate with the dominants in the centre.
A male with its gular sacs inflated
A female
Black-necked stilt
Flying in California, USA
Bolsa Chica Ecological Reserve
The Hawaiian stilt is sometimes considered a subspecies of the black-necked stilt.
Stilts exhibit a weak or sick behavior in order to distract predators from the location of their young.
Black-necked stilts foraging on Richardson Bay mudflats
Black-necked stilt eggs Quintana, Texas
Hatchling of the black-winged stilt, H. (h.) himatopus.
Those of the black-necked stilt look identical.
Two L. a. argenteus individuals on the shore of Coumeenoole Bay, Ireland
Bird Sound
Adult Larus argentatus with yellow legs to the right, its offspring has the normal pink colour. This bird is not to be confused with the always yellow-legged Larus michahellis. Photo from Warnemünde (harbour of Rostock), Mecklenburg-Vorpommern, Northern Germany.
Herring gull producing waste near Île-de-Bréhat
Feeding behaviours of the European herring gull.
Stealing an egg from a common murre
Fighting for a fish.
Eggs, Collection Museum Wiesbaden, Germany
Tearing open a bin bag
Stealing food from a man's hand
Perching on spikes designed to discourage perching birds
Rubbish bag designed to resist scavenging behaviour
In breeding plumage
Adult in foreground, red knot in background
Diagram of the anatomical structure of a female Nautilus pompilius including most of its internal organs.
Nautilus half-shell showing the camerae in a logarithmic spiral
Section cut of a nautilus shell
Nautilus locomotion
File format: Ogg
File size: 1.29 MB
Duration: 5 seconds
Nautilus with extended tentacles and hyponome visible
Head of Nautilus pompilius showing the rudimentary eye, which functions similar to a pinhole camera
Number of captured N. pompilius at various depths around the Osprey Reef Seamount, Coral Sea. The data was collated from 271 trapping events spread across all months of the year. Nautiluses were most common at 300–350 m (1,000–1,100 ft). No specimens were recovered from a depth of less than 150 m (500 ft) during 18 trapping efforts.[119]
A pair of N. pompilius feeding on two-spot red snapper (Lutjanus bohar) bait during daytime at 703 m (2,306 ft) depth. This observation constitutes the deepest record of any nautilus species.
Shell characters of the genera Nautilus and Allonautilus
Section cut of a nautilus shell
Eutrephoceras dorbignyanum
Photo of profiles of three progressively larger nautilus shells
Nautilus shells: N. macromphalus (left), A. scrobiculatus (centre), N. pompilius (right)
Persian Ironwood Foliage
The tree's many branches and distinctive colored bark
Persian ironwood in April
Protitanops
Psephophorus
Many varieties, such as the Nashi pear, are not "pear-shaped"
Pear blossoms
Pyrus calleryana in flower
(Left to right, top to bottom) Korean pear, Bosc pear, Forelle pear, red D'Anjou pear, Bartlett pear, green D'Anjou pear, Seckel pear, Comice pear
Pear tree
Pear cultivation in 2012
Pears simmered in red wine
Taxus
Seeds of Taxus baccata
Foliage of Mexican yew
Male (pollen-producing) cones of Taxus baccata
Foliage of Irish yew; note the leaves spreading all round the erect shoots
4112 year old Taxus in Turkey
Engraving of a spotted hyena from Thomas Pennant's History of Quadrupeds, one of the first authentic depictions of the species[120]
Pair of spotted hyenas at White River, Mpumalanga. Note the great degree of individual variation in fur colour, which was once used as a basis for separating the species into various subspecies.
Skull of Crocuta sivalensis, an extinct Indian hyena proposed by Björn Kurtén as being the ancestor of the modern spotted hyena
Skeleton
Spotted hyena walking in profile
Skull, as illustrated by Frédéric Cuvier. Note the disproportionately large carnassials and premolars adapted for bone consumption.
Male and female reproductive systems of the spotted hyena, from Schmotzer & Zimmerman, Anatomischer Anzeiger (1922). Abb. 1 (Fig. 1.) Male reproductive anatomy. Abb. 2 (Fig. 2.) Female reproductive anatomy.[121] Principal abbreviations (from von Eggeling) are: T, testis; Vd, vas deferens; BU, urethral bulb; Ur, urethra; R, rectum; P, penis; S, scrotum; O, ovary; FT, tuba Fallopii; RL, ligament uteri; Ut, uterus; CC, Corpus clitoris. Remaining abbreviations, in alphabetical order, are: AG, parotid analis; B, vesica urinaria; CG, parotid Cowperi; CP, Corpus penis; CS, corpus spongiosum; GC, glans; GP, glans penis; LA, levator ani muscle; Pr, prepuce; RC, musculus retractor clitoris; RP, Musculus retractor penis; UCG, Canalis urogenital.
Female nursing cub, Amboseli National Park, Kenya
Spotted hyena cub in the Serengeti, Tanzania. Note the well defined spots, which will fade with age.
Spotted hyena and two cubs in their den, Ngorongoro Crater, Tanzania
Spotted hyena with a wildebeest skeleton in Karatu, Arusha, Tanzania
Spotted hyenas mobbing a lion, Sabi Sand Game Reserve
Spotted hyena confronting African wild dogs, Sabi Sand Game Reserve
Spotted hyenas interacting aggressively in the Masai Mara
Spotted hyenas greeting one another in Kruger National Park
Spotted Hyaena (Crocuta crocuta) (W1CDR0000381 BD12)
Example from the Florida Teaching Zoo
Giggling call of a spotted hyena.
Trace of a 20,000-year-old spotted hyena painting from the Chauvet Cave, France
Atlatl mammoth ivory "creeping hyena", found in La Madeleine rock shelter, dated back to circa 12,000 to 17,000 years ago
Spotted hyena mask from Burkina Faso, Musée barrois
Spotted hyena being fed in Harar, Ethiopia
Spotted hyena attacked by Maasai warriors
Spotted hyena shot by Abel Chapman at the Lukenia Heights, 23 January 1906
South African zoologist Kevin Richardson with captive spotted hyenas
Group of grey seals on sands at Stiffkey, Norfolk
Captive grey seal being fed, showing snout shape
Cow (l) and bull (r) gray seals mating, Donna Nook, Lincolnshire, U.K.
Few days old pup
Stegomyia pia, a recently described new species[122]
Annonacin is a neurotoxin found in Annona muricata seeds.
Halved annona fruit
Annona tree, Mérida, Yucatán, Mexico
Anonna fruit
Marietta Street, 1864
In 1907, Peachtree Street, the main street of Atlanta, was busy with streetcars and automobiles.
The Olympic flag waves at the 1996 games
The skyline of Midtown (viewed from Piedmont Park) emerged with the construction of modernist Colony Square in 1972.
Craftsman bungalows in Inman Park
Beath-Dickey House (1890) in Inman Park neighborhood, 2011
Atlanta's Piedmont Park in winter
Map of racial distribution in Atlanta, 2010 U.S. Census. Each dot is 25 people: White, Black, Asian Hispanic, or Other (yellow)
The Coca-Cola world headquarters
The CNN newsroom
The Museum of Design Atlanta (MODA)
The stage of the Tabernacle during a live performance by the band STS9
Martin Luther King, Jr.'s childhood home
The World of Coca-Cola
A meal at The Varsity
SunTrust Park
The Chattahoochee River National Recreation Area in northwestern Atlanta
Atlanta City Hall
Concourse B at Hartsfield-Jackson Atlanta International Airport, the world's busiest airport
The Downtown Connector, seen at night in Midtown.
Bryozoa
Bryozoa
Bryozoa
A colony of the modern marine bryozoan Flustra foliacea.
Cheilostome bryozoan with serpulid tubes; Recent; Cape Cod Bay, Duck Creek, near Wellfleet, Massachusetts.
Peronopora, a trepostome bryozoan from the Whitewater Formation (Upper Ordovician) of eastern Indiana.
Evactinopora bryozoan found in Jefferson County, Missouri, United States; from the permanent collection of The Children's Museum of Indianapolis.
Bryozoan fossils in an Upper Ordovician oil shale (kukersite), northern Estonia.
An Upper Ordovician cobble with the edrioasteroid Cystaster stellatus and the thin branching cyclostome bryozoan Corynotrypa. Kope Formation, northern Kentucky.
Ropalonaria venosa, an etching trace fossil of a Late Ordovician ctenostome bryozoan on a strophomenid brachiopod valve; Cincinnatian of southeastern Indiana.[123]
Phaenopora superba, a ptilodictyine bryozoan from the Silurian of Ohio.
Encrusting cyclostome bryozoans (B), the one on the right showing swollen gonozooids; T = thecideide brachiopod and S = sabellid worm tube; Jurassic of Poland.
lacelike Membranipora membranacea
Mauritanian bryolith formed by circumrotatory growth of the bryozoan species Acanthodesia commensale
Chacoan peccary
Timeline showing Cerdocyonina in red
Cerdocyon thous
Combretum
Combretum aculeatum inflorescence
Combretum paniculatum
Combretum acutum - MHNT
Central American river turtle
Central American river turtle in Prague Zoo
Glyptodon
Richard Owen's 1839 reconstruction of a Glyptodon skeleton; teeth at right
Restoration of Glyptodon in South American environment, alongside Megatherium
Skull in side view
Close-up view of carapace
Glyptodon skeleton and shell, Museum für Naturkunde, Berlin
Armor at end of tail
Humans hunting Glyptodon, by Heinrich Harder
Hippodamia with Pelops in a racing chariot, from a fragmentary relief
Convergent lady beetles adult aggregation
Representative row of radula teeth of T. fluviatilis
Wallblake House
Map of the European Union in the world with overseas countries and territories and outermost regions
Overlooking Sandy Ground, Anguilla
The beach at the Cap Juluca resort on Maundays Bay
Island Harbour
A modern square rigger viewed from Long Bay
An aerial view of the western portion of the island of Anguilla. The Blowing Point ferry terminal is visible in the lower right, as are (right to left) Shaddick Point, Rendezvous Bay, Cove Bay and Maundays Bay.
Map showing location of Anguilla relative to Sint Maarten/Saint Martin and other islands to its south
Map of Anguilla
2009 export percentages
Apical view of the shell of Anguispira alternata
Umbilical view of the shell of Anguispira alternata
The Australasian pipits of New Zealand may represent a separate species from those found elsewhere
The plumage colour of the long-billed pipit is typical of the genus, although this subspecies lacks the extensive streaking many other pipits, including other subspecies, have on the breast
Berthelot's pipit is restricted to the Atlantic islands of Madeira and the Canary Islands
The tree pipit breeds in Europe and Northern Asia and winters in India and Africa
Buff-bellied pipits will wag their tail from side to side as well as up and down
Australasian pipit chicks in the nest
Wintering Anthus spinoletta blakistoni at Tal Chhapar Sanctuary
Conspicuous head markings
In typical breeding habitat
Egg in Museum Wiesbaden
Glacier fleas are a prey item found on snow fields
Cedar waxwing pair passing a berry back and forth during courtship
Two Dead Bohemian Waxwings by Lucas Cranach the elder, ca. 1530
Audubon's illustration
In the branches of a weeping holly tree
Egg, Collection Museum Wiesbaden
Feeding on tree sap
Eating berries
"Red wax" on wing tips visible
A Holstein Fresian cow, a typical member of the Bos taurus taurus sub-species
Holstein cattle are the primary dairy breed, bred for high milk production.
Żubroń, a wisent and cattle hybrid
An Ongole bull
A Hereford bull
A Brahman calf
Bones are mounted on a black board
Displayed skeleton of a domestic cow
Anatomy model of a cow
Reproductive system of a bovine female.
Ox testis.
Ear postures of cows are studied as indicators of their emotional state and overall animal welfare.[124]
Several senses are used in social relationships between cattle
Video of a calf suckling
Texas Longhorns are a US breed
This Hereford is being inspected for ticks; cattle are often restrained or confined in cattle crushes (squeeze chutes) when given medical attention.
This young bovine has a nose ring to prevent it from suckling, which is usually to assist in weaning.
Dairy farming and the milking of cattle was once performed largely by hand, but is now usually replaced by machine
Cattle in dry landscape north of Alice Springs, Australia (CSIRO)
Cattle near the Bruneau River in Elko County, Nevada
Cattle grazing in a high-elevation environment at the Big Pasture Plateau, Slovenia
Draft Zebus in Mumbai, Maharashtra, India
Oxen used in Plowing
Riding an ox in Hova, Sweden
The "Ure-Ox" (Aurochs) by Edward Topsell, 1658
Legend of the founding of Durham Cathedral is that monks carrying the body of Saint Cuthbert were led to the location by a milk maid who had lost her dun cow, which was found resting on the spot.
An idealized depiction of girl cow herders in 19th-century Norway by Knud Bergslien.
LC
LC
NT
NT
NE
NE
CR
CR
EN
EN
NT
NT
VU
VU
DD
DD
Hackberry tree on the campus of the University of Chicago
Fruits
One of the streets with 'bođoš' in Sombor, Serbia
Short-toed treecreeper, a confusion species in Europe
Hodgson's treecreeper, probably C. h. mandelli, formerly considered to be a subspecies of Eurasian treecreeper
Central European bird feeding on a trunk
Eggs, Collection Museum Wiesbaden
Introduced redwoods are the preferred nesting trees where present.
Formica rufa, a competitor for arthropod prey
The claws of the treecreeper allows it to attach to the trunks and branches.
Chimney swift
Chimney swifts, like these in a chimney in Missouri, United States, roost communally when not breeding.
Egg, Collection Museum Wiesbaden
Purpose built towers can provide nesting and roosting locations.
In flight showing characteristic white wing bars.
Common nighthawk in flight, near Miami, Florida
The Palm warbler is a member of the Setophaga genus
The Palm warbler is a member of the Setophaga genus
Summer adult male yellow-rumped warblers have slate-blue backs and yellow crowns (barely visible here). As a male myrtle warbler, this individual has a black "mask".
In summer, adult females have streaked backs of black on blue-green and conspicuous yellow patches on the crown, flank, and rump. This individual is a myrtle warbler, as shown by the white throat.
Cat
Ancient Egyptian sculpture of the cat goddess Bastet. The earliest evidence of felines as Egyptian deities comes from a c. 3100 BC.
Diagram of the general anatomy of a male
Cat skull
Thermograph of various body parts of a cat
Reflection of camera flash from the tapetum lucidum
The whiskers of a cat are highly sensitive to touch.
A black-and-white cat on a fence
A cat on a fence.
Social grooming
Cat with an Alaskan Malamute dog
The hooked papillae on a cat's tongue act like a hairbrush to help clean and detangle fur.
A tabby housecat uses its brush-like tongue to groom itself, licking its fur to straighten it.
An arched back, raised fur, and an open-mouthed hiss can all be signs of aggression in a domestic cat.
A cat that is playing with a caught mouse. Cats play with their prey to weaken or exhaust them before making a kill.
Play fight between kittens, age 14 weeks
When cats mate, the tomcat (male) bites the scruff of the female's neck as she assumes a position conducive to mating known as lordosis behavior.
Radiography of a pregnant cat (about one month and a half)
A newborn kitten
Feral farm cat
Carrying half of a rabbit
A black cat eating a house sparrow
Cats and people
A 19th century drawing of a tabby cat
Gliding
Northern flying squirrel
Installation of a new squirrel box off the Blue Ridge Parkway.
Group of grey seals on sands at Stiffkey, Norfolk
Captive grey seal being fed, showing snout shape
Cow (l) and bull (r) gray seals mating, Donna Nook, Lincolnshire, U.K.
Few days old pup
Close view of an Orchard Oriole
Glaucous gull
Immature plumage
A mating aggregation of L. emarginata
Northern gannet breeding pairs
Northern gannet flying over the English Channel, in the 7 Islands Nature Reserve, northern France
Young northern gannet. The front part of its body shows adult plumage.
Young birds are dark brown.
Northern gannet on Bonaventure Island, in Quebec
Selecting a dive target
Plunge-diving with wings retracted
Silhouette in flight
Northern gannet calls from Grassholm, Wales.
Breeding colonies in the north Atlantic
Panoramic view of the Seven Island Nature Reserve that supports a northern gannet colony, in Brittany (France)
Northern gannet colony on Bonaventure Island near Percé, Quebec, Canada
Nests among the rocks. The population of this species appears to be increasing.
Northern gannet searching for fish
Northern gannet transporting material for its nest
Female will not react if a male approaches her nest, but she will defend it fiercely if another female approaches
"Billing", a mutual greeting gesture[125]
Mating
Ocypode
Ocypode africana from the Congo River estuary
Ocypode brevicornis from Chennai, India
Ocypode ceratophthalma from the Chagos Archipelago, British Indian Ocean Territory
Ocypode convexa from Gnaraloo, Australia
Ocypode cordimanus from New South Wales, Australia
Ocypode cursor from Dor-Habonim Beach, Israel
Ocypode fabricii dorsal aspect (legs excluded)
Ocypode gaudichaudii from Santa Cruz, Galapagos Islands
Ocypode kuhlii from Palabuhanratu, West Java
Ocypode madagascariensis from Madagascar
Ocypode pallidula from Point Lookout, Queensland, Australia
Ocypode ryderi from Zanzibar, Tanzania
Ocypode stimpsoni from Nagasaki, Japan
American cliff swallow
Juvenile American cliff swallow
Juvenile American cliff swallow in gourd-shaped mud nest
Petrochelidon pyrrhonota -California, USA
In-flight and mid-air feeding of juvenile cliff swallow by an adult
Collecting mud at a puddle, Prince Edward Point, Ontario
Mate delivering food to American cliff swallow nest
Cliff swallow egg
Although many species are herbaceous, P. dioica forms a substantial tree
Nymboida National Park, NSW, Australia, August 2014.
Phytolacca americana
a cluster of Pokeweed berries
Phytolacca americana
American golden plover taking flight, showing its dusky back and axillaries
Scrape nest with four eggs
Townsend's big-eared bat
Townsend's big-eared bats exiting a maternity colony in a mine
Adult with raised "crest"; Léon-Provancher marsh, Québec (Canada)
Video of male calling
Nest with chicks
Six-day-old chicks
Ovenbird song recorded in Minnesota
Fallfish caught in Massachusetts.
Mountain bluebird
Male
Bluebird sitting on a branch in the woods
Eastern bluebird in Huntley Meadows Park in Virginia
Eggs
The nuthatch's habit of wedging seeds into cracks and hammering them open has given rise to its common name.
Holes in a dying white birch, Jacques-Cartier National Park
Rotuman tautoga performed in 1981 celebrating Rotuma's cession to Great Britain
Thuja occidentalis
Trunk
A swamp along the Superior Hiking Trail in November with white-cedars (left) and other trees and shrubs
A grove of a columnar ornamental variety in Powsin Botanical Garden, Warsaw, Poland
Hemlock boughs in the autumn, shedding older foliage.
A line drawing of the leaves and cones from Britton and Brown's 1913 Illustrated flora of the northern states and Canada
Stand of eastern hemlock and eastern white pine in Tiadaghton State Forest, Pennsylvania. (Note the hemlocks' deeply fissured bark.)
Shoot infested with hemlock woolly adelgid
Closeup of bark
The weeping shrub form T. canadensis 'Sargentii'
Vinea
Autumn leaf colour
Bark of a young Acer negundo
Leaves and fruit
A map showing the Battle of Actium.
Battle of Actium by Laureys a Castro, 1672. Note anachronisms.
Agathidium varians
Anthrax
Skin lesion from anthrax
Skin anthrax lesion on the neck
Photomicrograph of a Gram stain of the bacterium Bacillus anthracis, the cause of the anthrax disease
Inhalational anthrax, mediastinal widening
Anthrax and antibiotics
Louis Pasteur inoculating sheep against anthrax
Colin Powell giving a presentation to the United Nations Security Council, holding a model vial of anthrax
Traditional Aleut dress
Aleut in Festival Dress in Alaska, watercolor by Mikhail Tikhanov, 1818
Basket and Lid, Aleut (Native American), early 20th century, Brooklyn Museum
Men's hunting hat, Arvid Adolf Etholén collection, Museum of Cultures, Helsinki, Finland
Imitation of the sax, a traditional Aleut coat made from bird skins and sea otter fur.
A Kamleika, or seal skin coat
Illustration of an Aleut paddling a baidarka, with an anchored Russian ship in the background, near Saint Paul Island, by Louis Choris, 1817
A man rowing a baidara (large skin boat)
Paper birch leaves showing shape and color
A prescribed fire in a black spruce-paper birch-quaking aspen community in boreal Alaska
White birch at Acadia National Park in Maine
Peeling bark
Botrychium
Botrychium virginianum
Chlaenius
Chlaenius purpuricollis
D. micans
Marpessa and Idas, separated from Apollo by Zeus, Attic red-figure psykter, ca. 480 BC, Staatliche Antikensammlungen (Inv. 2417).
Ilex opaca
Ripe fruit
Mature plants often display a pyramidal shape
Not only is the holly associated with winter decoration, it serves as a source of food and shelter during inclement weather
Dionysus
Marble sarcophagus with the Triumph of Dionysos and the Seasons. Roman ca. AD 260–270
Hermes and the Infant Dionysus by Praxiteles, (Archaeological Museum of Olympia).
The Dionysus Cup, a 6th-century BC kylix with Dionysus sailing with the pirates he transformed to dolphins
Bacchus/ Dionysus returning from India.
Triumph of Dionysus.
North African Roman mosaic: Panther-Dionysus scatters the pirates, who are changed to dolphins, except for Acoetes, the helmsman; 2nd century AD (Bardo National Museum)
Pentheus torn apart by Agave and Ino. Attic red-figure lekanis (cosmetics bowl) lid, c. 450-425 BC (Louvre)
Lycurgus trapped by the vine, on the Lycurgus Cup
Badakshan patera, "Triumph of Bacchus", British Museum.
The winged daimon Dionysus riding a tiger, from the House of Dionysus in Delos, Greece, Hellenistic mosaic from the 2nd century BC
Bacchus and Ariadne by Titian, at the National Gallery in London.
Satyr giving a grapevine to Bacchus as a child; cameo glass, first half of the 1st century AD; from Italy
A sculpted phallus at the entrance of the temple of Dionysus in Delos, Greece.
Bacchus by Caravaggio
Bronze head of Dionysus, 50 BC -50 AD, in the British Museum[126]
Marble table support adorned by a group including Dionysos, Pan and a Satyr; Dionysos holds a rhyton (drinking vessel) in the shape of a panther; traces of red and yellow colour are preserved on the hair of the figures and the branches; from an Asia Minor workshop, 170-180 AD, National Archaeological Museum, Athens, Greece
Bacchus by Michelangelo (1497)
The Triumph of Bacchus, Diego Velázquez, c. 1629
The triumph of Bacchus by Cornelis de Vos.
Bacchus by Paulus Bor.
Sculpture excavated at the Villa of the Papyri depicting Dionysus, Plato, or possibly Poseidon
Terracotta vase in the shape of Dionysus' head, ca. 410 BC; on display in the Ancient Agora Museum in Athens, housed in the Stoa of Attalus
The over-life size 2nd-century AD Ludovisi Dionysus, with panther, satyr and grapes on a vine, Palazzo Altemps, Rome
Epiphany of Dionysus mosaic, from the Villa of Dionysus (2nd century AD) in Dion, Greece, Archeological Museum of Dion
A Roman fresco depicting Bacchus with red hair, Boscoreale, c. 30 BC
Ocypus
The sanctuary for the oracle of Amphiaraus at Oropos is east of Delphi, northeast of Athens
the automobile museum "O Phaeton"
Pedicularis sceptrum-carolinum (Moor-king Lousewort)
Pedicularis semibarbata ssp charlestonensis (Pinewoods lousewort)
Pollination
Pedicularis zeylanica
Priscacara
Provanna alexi
Flower of Ranunculus glaberrimus
Glacier buttercup Ranunculus glacialis
File:Ranunculus glaberrimus .JPG
Sagebrush buttercup (Ranunculus glaberrimus)
Straightbeak buttercup (Ranunculus orthorhynchus)
Creeping buttercup (Ranunculus repens)
Ranunculus asiaticus, a cultivated form
Seed head of Ranunculus showing developing achenes
Republica

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Republica live at San Antonio, TX in December 1996
Rhantus
male Rhantus frontalis
Rhantus grapii
Male staghorn sumac flower at early stage of blooming.
Gall on R. typhina caused by the aphid Melaphis rhois
Sparganium eurycarpum
Foliage and cones of subsp. mertensiana
Tsuga mertensiana
Foliage of subsp. grandicona
Agkistrodon contortrix
Detail of head
Southern copperhead, A. c. contortrix, at the southern limit of its range, in Liberty Co., Florida, camouflaged in dead leaves
The effects of central fusion and terminal fusion on heterozygosity
Range map of the Jefferson Salamander
An adult goshawk in the Kaibab Plateau, Arizona, in a pine tree that typifies the habitat used locally.
Juvenile (left) and adult by Louis Agassiz Fuertes
Accipiter gentilis - northern goshawk
A typical adult goshawk, with a strong brownish-gray cast, from the nominate subspecies, A. g. gentilis.
A typical adult from the American goshawk subspecies, A. g. atricapillus, showing its strong supercilium, black head and blue-gray back.
Juvenile northern goshawk in flight, the most likely age and condition to mistake a goshawk for another species.
Large juvenile Cooper's hawks such as this are at times mistaken for a goshawk.
Adult goshawks maintain territories with display flights.
Goshawks are particularly agile hunters of the woodlands.
Northern goshawks most often preys on birds, especially in Eurasia.
An adult goshawk on Corsica with its fresh prey, a common wood pigeon
Hawk and Black-Game (Bruno Liljefors, 1884), a painting of a goshawk at the moment of catching a black grouse
Goshawks sometimes become habitual fowl killers. This juvenile was caught pursuing chickens inside a hen house.
A goshawk catching a red squirrel.
Illustrating a goshawk attempting to catch a rabbit, by G. E. Lodge.
Woodpeckers such as northern flickers often fall victim to goshawks.
A juvenile goshawk in Japan with a young bird prey item.
A goshawk chasing an osprey, most likely to rob it of food, but the osprey is even considered possible prey.
Illustration of the formidable talons and beak, which are both proportionately large relative to their size, and give them a predatory advantage over many other raptors.
Prey selection frequently overlaps between American goshawks and American martens, more seldomly both species will prey on the other.
Egg Collection Museum Wiesbaden
Northern goshawk nests are usually large structures placed quite high near the canopy on mature, tall trees, as seen on this birch in Norway.
The mother goshawk seldom leaves the nest in either the incubation or the brooding stage, until the young are about 2 weeks.
Nestling northern goshawks in a Germany nest.
Two juveniles from Pennsylvania after they've become "branchers", or have left the nest but are not yet flying competently.
Goshawks may be killed by collisions with man-made objects.
Juvenile goshawk from Poland.
Iranian falconer with a trained goshawk.
Falconer's bird in Scotland
Juvenile at Innsbruck Zoo
Egg, Collection Museum Wiesbaden
Bauhinia acuminata
Bauhinia thonningii in South Africa
Bauhinia vahlii
Beilschmiedia
Beilschmiedia miersii
Beilschmiedia tarairi
Marchantia, an example of a liverwort.
The life cycle of a dioicous bryophyte. The gametophyte (haploid) structures are shown in green, the sporophyte (diploid) in brown.
Hornworts include those bryophytes that are believed to be the closest living relatives of the vascular plants.
Mosses are one group of bryophytes.
Liverworts are included in the bryophyte group
Moss peat is made from Sphagnum
The tail is white with a dark terminal band.
The feet are feathered.
Egg, Collection Museum Wiesbaden
Ferruginous hawk
Dark-morph bird on nest
In flight as seen from below
Prairie dogs, one of the favorite foods of the ferruginous hawk
Ferruginous hawk skull
Ferruginous hawk nesting platform
Chicks on nest
Juvenile
Banding chicks
Lek mating arena, in which each male guards a territory of a few meters in size on average, and in which the dominant males may each attract up to eight females.[127] In addition, each individual is shown with variations in personal space (bubbles), whereby higher-ranking individuals have larger personal space bubbles.[118] Common bird leks typically have 25–30 individuals. A strict hierarchy accords the most desirable top-ranking males the most prestigious central territory, with ungraded and lesser aspirants ranged outside. Females come to these arenas to choose mates when the males' hierarchy has become established, and preferentially mate with the dominants in the centre.
A male with its gular sacs inflated
A female
Relief of seated Dionysus and satyr; inscription beneath is a decree by the deme Aixone honoring the choregoi Auteas and Philoxenides (313–312 BC)
Choragic Monument of Lysicrates near the Acropolis in Athens, Greece
In flight showing characteristic white wing bars.
Common nighthawk in British Columbia
Common nighthawk in flight, near Miami, Florida
The right-handed helix (cos t, sin t, t) from t = 0 to 4π with arrowheads showing direction of increasing t
Two types of helix shown in comparison. This shows the two chiralities of helices. One is left-handed and the other is right-handed. Each row compares the two helices from a different perspective. The chirality is a property of the object, not of the perspective (view-angle)
A helix composed of sinusoidal x and y components
Erythrina
Erythrina flabelliformis - MHNT
Asian pied starling (Gracupica contra) feeding on Indian coral tree (E. variegata) flowers in Kolkata, India.
Erythravine is tetrahydroisoquinoline alkaloid from Erythrina mulungu, studied for possible anxiolytic properties.
Erythrina abyssinica in flower, Funchal (Madeira)
Erythrina zeyheri leaflets
Erythrina ×sykesii in flower, Auckland, New Zealand
Bark of Erythrina species 'Croftby', Australia
Fortuna and Pontus
Heraldic Fortuna in the arms of Glückstadt.
Vatican, Rome, Italy. Statue of Fortune. Brooklyn Museum Archives, Goodyear Archival Collection
The humiliation of Emperor Valerian by king Shapur I of Persia (260) passed into European cultural memory as an instance of the reversals of Fortuna. In Hans Holbein's pen-and-ink drawing (1521), the universal lesson is brought home by its contemporary setting.
Albrecht Dürer's engraving of Fortuna, ca 1502
Fortuna lightly balances the orb of sovereignty between thumb and finger in a Dutch painting of ca 1530 (Musée des Beaux-Arts de Strasbourg)
illustration by Al-Biruni (973-1048) of different phases of the moon, from the Persian Kitab al-tafhim
Lady Fortune in a Boccaccio manuscript
Sculpture of Fortuna, Vienna
Fortuna
Eurasian lynx
Canada lynx
Scandinavian lynx (Lynx lynx lynx), mounted
File:MSU V2P2 - Felis lynx skull.png
Skull, as illustrated by N. N. Kondakov.
Eurasian lynx at the Monte Kristo Estates zoo in Hal Farrug, Luqa, Malta.
Eurasian lynx kitten
Eurasian lynx in profile
Postage stamp from the Soviet Union, 1988
Eurasian lynx at the Zoo Aquarium de Madrid
L. lynx in Nationalpark Bayerischer Wald, Germany
The Sacrifice at Lystra by Raphael, 1515.
St. Paul and Barnabas in Lystra by Willem de Poorter
Certh no. 19 "G", used by Gandalf as a personal sign or seal.
Odin, the Wanderer (1886) by Georg von Rosen (1843–1923)
"Odin disguised as a Traveller" from 1914.
Mnemosyne
Jupiter, vermomd als herder, verleidt Mnemosyne, godin van het geheugen by Jacob de Wit (1727)
Júpiter y Mnemosine by Marco Liberi
Clark's nutcracker landing, Mount Hood, Oregon
Clark's nutcracker on Sulphur Mountain, Banff National Park, Alberta
Clark's nutcracker at Crater Lake, Oregon
A Clark's Nutcracker nestled on a branch at Crater Lake National Park in Oregon.
Illustration (middle) by Louis Agassiz Fuertes
Nonbreeding range of Eskimo curlew.
Eskimo curlew by Archibald Thorburn
Specimen in the Museum of Comparative Zoology
Illustration by John James Audubon
Common poorwill
Phareodus encaustus, from Green River Formation, at the Fossil Butte National Monument
Song
Close-up of a male sharp-tailed grouse.
Sharp-tailed grouse nest with eggs
A male performing its mating display.
Carbonaceous chondrite CV3 that fell in Mexico in 1969 (weight 520 g)
The Murchison meteorite is on display at the Smithsonian’s NMNH.

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