Fauna of Illinois
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The fauna of Illinois include a wide variety of mammals, birds, amphibians, reptiles, fish and insects (not listed).
- The state bird is the Northern cardinal.
- The state insect is the monarch butterfly.
- The state animal is the white-tailed deer.
- The state fish is the bluegill.
- The state fossil is the tully monster.
- The state amphibian is the eastern tiger salamander.
- The state reptile is the painted turtle.
List of native species
Mammals
- American badger
- American mink
- American pygmy shrew
- Big brown bat
- Bobcat
- Cinereus shrew
- Cotton mouse
- Coyote
- Cougar
- American black bear
- Eastern cottontail
- Eastern mole
- Eastern pipistrelle
- Eastern red bat
- Eastern chipmunk
- Eastern gray squirrel
- Evening bat
- Eastern woodrat
- Franklin's ground squirrel
- Golden mouse
- Gray bat
- Gray fox
- Groundhog
- Hoary bat
- House mouse
- Indiana bat
- Least weasel
- Little brown bat
- Long-tailed weasel
- Marsh rice rat
- Meadow vole
- Meadow jumping mouse
- Muskrat
- Nine-banded armadillo
- North American beaver
- North American least shrew
- North American river otter
- Northern short-tailed shrew
- Norway rat
- Deer mouse
- Plains pocket gopher
- Prairie vole
- Raccoon
- Rafinesque's big-eared bat
- Red fox
- Red squirrel
- Silver-haired bat
- Southeastern shrew
- Southeastern myotis
- Southern bog lemming
- Southern short-tailed shrew
- Southern flying squirrel
- Striped skunk
- Swamp rabbit
- Thirteen-lined ground squirrel
- Virginia opossum
- Western harvest mouse
- White-footed mouse
- White-tailed deer
- American Bison
- Woodland vole
Birds
For a complete list, see list of birds of Illinois.
- Fulvous whistling duck
- Black-bellied whistling-duck
- Greater white-fronted goose
- Snow goose
- Ross's goose
- Cackling goose
- Canada goose
- Mute swan
- Trumpeter swan
- Tundra swan
- Wood duck
- Gadwall
- Eurasian wigeon
- American wigeon
- American black duck
- Mallard
- Mottled duck
- Blue-winged teal
- Cinnamon teal
- Northern shoveler
- White-cheeked pintail
- Northern pintail
- Garganey
- Green-winged teal
- Canvasback
- Redhead
- Ring-necked duck
- Tufted duck
- Greater scaup
- Lesser scaup
- King eider
- Common eider
- Harlequin duck
- Surf scoter
- White-winged scoter
- Black scoter
- Long-tailed duck
- Bufflehead
- Common goldeneye
- Barrow's goldeneye
- Hooded merganser
- Common merganser
- Red-breasted merganser
- Ruddy duck
- Gray partridge
- Ring-necked pheasant
- Greater prairie chicken
- Northern bobwhite
- Red-throated loon
- Black-throated loon
- Pacific loon
- Common loon
- Yellow-billed loon
- Pied-billed grebe
- Horned grebe
- Red-necked grebe
- Black-necked grebe
- Western grebe
- Clark's grebe
- Northern gannet
- American white pelican
- Brown pelican
- Double-crested cormorant
- Neotropic cormorant
- Anhinga
- Magnificent frigatebird
- American bittern
- Least bittern
- Great blue heron
- Great egret
- Snowy egret
- Little blue heron
- Tricolored heron
- Reddish egret
- Cattle egret
- Green heron
- Black-crowned night heron
- Yellow-crowned night heron
- American white ibis
- Glossy ibis
- White-faced ibis
- Wood stork
- Black vulture
- Turkey vulture
- Osprey
- Swallow-tailed kite
- White-tailed kite
- Mississippi kite
- Bald eagle
- Hen harrier
- Sharp-shinned hawk
- Cooper's hawk
- Northern goshawk
- Red-shouldered hawk
- Broad-winged hawk
- Swainson's hawk
- Red-tailed hawk
- Ferruginous hawk
- Rough-legged buzzard
- Golden eagle
- American kestrel
- Merlin
- Gyrfalcon
- Prairie falcon
- Yellow rail
- Black rail
- King rail
- Virginia rail
- American purple gallinule
- Common moorhen
- American coot
- Sandhill crane
- Whooping crane
- Black-bellied plover
- American golden plover
- Snowy plover
- Killdeer
- Black-necked stilt
- American avocet
- Greater yellowlegs
- Lesser yellowlegs
- Solitary sandpiper
- Willet
- Spotted sandpiper
- Upland sandpiper
- Eskimo curlew
- Whimbrel
- Long-billed curlew
- Hudsonian godwit
- Marbled godwit
- Ruddy turnstone
- Red knot
- Sanderling
- Semipalmated sandpiper
- Western sandpiper
- Least sandpiper
- White-rumped sandpiper
- Baird's sandpiper
- Pectoral sandpiper
- Sharp-tailed sandpiper
- Purple sandpiper
- Dunlin
- Curlew sandpiper
- Stilt sandpiper
- Buff-breasted sandpiper
- Ruff
- Short-billed dowitcher
- Long-billed dowitcher
- Wilson's snipe
- American woodcock
- Wilson's phalarope
- Red phalarope
- Red-necked phalarope
- Long-tailed jaeger
- Parasitic jaeger
- Pomarine jaeger
- Laughing gull
- Franklin's gull
- Little gull
- Black-headed gull
- Bonaparte's gull
- Common gull
- Ring-billed gull
- California gull
- American herring gull
- Thayer's gull
- Iceland gull
- Lesser black-backed gull
- Slaty-backed gull
- Western gull
- Glaucous-winged gull
- Glaucous gull
- Great black-backed gull
- Sabine's gull
- Black-legged kittiwake
- Ross's gull
- Ivory gull
- Gull-billed tern
- Caspian tern
- Royal tern
- Sandwich tern
- Common tern
- Arctic tern
- Forster's tern
- Least tern
- Sooty tern
- Large-billed tern
- Black tern
- Black skimmer
- Rock pigeon
- Band-tailed pigeon
- Eurasian collared dove
- White-winged dove
- Mourning dove
- Inca dove
- Common ground dove
- Monk parakeet
- Black-billed cuckoo
- Groove-billed ani
- Barn owl
- Eastern screech owl
- Great horned owl
- Snowy owl
- Northern hawk owl
- Burrowing owl
- Barred owl
- Long-eared owl
- Short-eared owl
- Boreal owl
- Northern saw-whet owl
- Common nighthawk
- Chuck-will's-widow
- Whip-poor-will
- Chimney swift
- Ruby-throated hummingbird
- Broad-tailed hummingbird
- Rufous hummingbird
- Allen's hummingbird
- Belted kingfisher
- Red-headed woodpecker
- Red-bellied woodpecker
- Williamson's sapsucker
- Yellow-bellied sapsucker
- Downy woodpecker
- Hairy woodpecker
- Red-cockaded woodpecker
- Black-backed woodpecker
- Northern flicker
- Pileated woodpecker
- Olive-sided flycatcher
Amphibians
Frogs and toads
- American toad
- Fowler's toad
- Northern cricket frog
- Bird-voiced treefrog
- Green treefrog
- Cope's grey treefrog
- Eastern grey treefrog
- Spring peeper
- Southeastern chorus frog
- Strecker's chorus frog
- Western chorus frog
- Eastern narrow-mouthed toad
- Eastern spadefoot
- Crawfish frog
- Plains leopard frog
- Bullfrog
- Green frog
- Pickerel frog
- Northern leopard frog
- Southern leopard frog
- Wood frog
Salamanders
- Jefferson salamander
- Blue-spotted salamander
- Spotted salamander
- Marbled salamander
- Silvery salamander
- Mole salamander
- Small-mouthed salamander
- Tiger salamander
- Hellbender
- Spotted dusky salamander
- Southern two-lined salamander
- Long-tailed salamander
- Cave salamander
- Four-toed salamander
- Eastern red-backed salamander
- Northern zigzag salamander
- Northern slimy salamander
- Mudpuppy
- Eastern newt
- Lesser siren
Reptiles
Turtles
Lizards
Snakes
- Eastern wormsnake
- Scarletsnake
- Kirtland's snake
- Eastern racer
- Ring-necked snake
- Great Plains ratsnake
- Gray ratsnake
- Eastern foxsnake
- Mud snake
- Western hog-nosed snake
- Eastern hog-nosed snake
- Prairie kingsnake
- Common kingsnake
- Milk snake
- Coachwhip
- Mississippi green watersnake
- Plain-bellied watersnake
- Southern watersnake
- Diamondback watersnake
- Northern watersnake
- Rough greensnake
- Smooth greensnake
- Gophersnake
- Graham's crayfish snake
- Queen snake
- Dekay's brownsnake
- Red-bellied snake
- Flat-headed snake
- Western ribbonsnake
- Plains gartersnake
- Eastern ribbonsnake
- Common garter snake
- Lined snake
- Eastern smooth earthsnake
- Copperhead (venomous)
- Cottonmouth (venomous)
- Timber rattlesnake (venomous)
- Massasauga rattlesnake (venomous)
Fish
- Bluegill
- Blue catfish
- Bullheads
- Carp
- Channel catfish
- Coho salmon
- Crappie
- Flathead catfish
- Freshwater drum
- Green sunfish
- Buffalo
- Lake sturgeon
- Largemouth bass
- Longnose gar
- Muskellunge
- Northern pike
- Redear sunfish
- Sea lamprey
- Smallmouth bass
- Striped bass
- Sauger
- Walleye
- White bass
- Yellow bass
- Yellow perch