Wikipedia:Picture of the day/Archive

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A monthly archive of Wikipedia's featured pictures

These featured pictures previously appeared (or shall appear) as Picture of the day as scheduled below. You can add the automatically updating Picture of the day to your userpage or talk page using {{pic of the day}} (text version) or {{POTD}} (short version). For instructions on how to make custom POTD layouts, see Wikipedia:Picture of the day.

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February 1 - Wed

Picture of the day

High-purity niobium crystals, with a 1 cm³ cube of anodized niobium for comparison. Niobium is a soft, grey, ductile transition metal named after Niobe from Greek mythology. Niobium is typically used in steel alloys; only a tiny amount (0.1%) is required to improve the strength of the steel.

Photo: Alchemist-hp
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February 2 - Thu

Picture of the day

The Black Kite (Milvus migrans) is a medium-sized bird of prey easily identifiable by its angled wing and distinctive forked tail. It is widely distributed through the temperate and tropical parts of Eurasia and parts of Australasia and Oceania, with the temperate region populations tending to be migratory.

Photo: Benjamint444
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February 3 - Fri

Picture of the day

The Pink Lady's Slipper (Cypripedium acaule) is an orchid native to eastern North America. This widespread species can be found in a wide variety of environments, from coastal plains, to pine barrens, to mountaintops. It is the provincial flower of Prince Edward Island, Canada.

Photo: Sasata
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February 4 - Sat

Picture of the day

The violet coral (Clavaria zollingeri) is a widely distributed species of fungus with tubular, purple basidiocarps (fruit bodies) that grow in clusters up to 10 cm (3.9 in) tall and 7 cm (2.8 in) wide. It is a saprobic species, growing on the ground in woodland litter.

Photo: Dan Molter
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February 5 - Sun

Picture of the day

The aurora australis, as seen from the International Space Station. Aurorae are natural light displays in the sky caused by the collision of energetic charged particles with atoms in the high altitude thermosphere. The particles originate in the magnetosphere and solar wind and, on Earth, are directed by Earth's magnetic field into the atmosphere.

Photo: NASA/ISS Expedition 23 crew
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February 6 - Mon

Picture of the day

Successive close-ups of the scales of a Peacock butterfly (at top) wing. Shown from left to right, top to bottom: (second row) a closeup of the scales of the specimen at top, high magnification view of coloured scales (different species); (third row) electron micrograph of a patch of wing (~×50 magnification), the scales close up (~×200); (last row) a single scale (×1000), microstructure of a scale (×5000).

Photos: MichaD (top and second row left), Shaddack (second row right), SecretDisc (micrographs)
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February 7 - Tue

Picture of the day

The Wave (1896) by William-Adolphe Bouguereau, an example of an art nude, an art form where the naked human form is the dominant theme and is not intentionally erotic. It does not involve the subject interacting with anyone or the face of the nude as a prominent feature. The body presented is revealed as an object of art and not a person with reference to his or her social relationships and behavioral patterns.

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February 8 - Wed

Picture of the day

An odd-eyed cat is a cat with one blue eye and one green, yellow, or brown eye. This is a feline form of complete heterochromia, a condition also present in humans and some other animals (including horses and huskies). It can occur in a cat of any fur color, provided that it possesses the white spotting gene. Animals affected by the condition can have partial heterochromia, in which only part of the iris is a different color.

Photo: Keith Kissel
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February 9 - Thu

Picture of the day

A panoramic view of Brandenburg an der Havel, a town in the state of Brandenburg, Germany, located on the banks of the River Havel. The town was founded by the Hevelli, a tribe of Polabian Slavs, in the 8th century, and changed hands between Germans and Slavs several times. Development was restricted to the western bank of the Havel until 1196, when it was extended to the eastern side, although the two portions were regarded as separate towns until 1715.

Photo: Mathias Krumbholz
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February 10 - Fri

Picture of the day

A male Dendropsophus microcephalus frog, displaying its vocal sac—membranes of skin under the throat or on the corner of the mouth that distend to amplify its call. The species lives in moist areas in most of Central America and northern South America.

Photo: Brian Gratwicke
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February 11 - Sat

Picture of the day

A romanticized depiction of a tramp smoking a cigar with a cane over his arm, from an 1899 poster. A tramp is a homeless person who travels from place to place as a vagrant, traditionally on foot. Unlike other temporarily homeless people, they do not seek out regular work and support themselves by other means such as begging or scavenging. The term "tramp" is derived from the Middle English as a verb meaning to "walk with heavy footsteps" (cf. the modern English word "trample").

Image: Russell-Morgan Print; Restoration: Adam Cuerden
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February 12 - Sun

Picture of the day

Kalākaua was the last reigning king of the Kingdom of Hawaii. He was elected king after Kamehameha V died without leaving an heir, and began his reign on February 12, 1874. During his nearly 17-year rule, Kalākaua believed in the hereditary right of the aliʻi to rule, putting him in contention with the Hawaiian League, composed mostly of Americans who favored annexation of the Hawaiian islands by the United States. In 1887, he was forced to sign the Bayonet Constitution, which stripped the monarchy of much of its power. He died in 1891, and the throne passed to his sister, Liliuokalani.

Photo: Unknown; Restoration: Greg L/Papa Lima Whiskey
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February 13 - Mon

Picture of the day

The Common Brushtail Possum (Trichosurus vulpecula) is the largest possum species and is perhaps the most widespread mammal in Australia. It grows to about 32–58 cm (13–23 in) in length, with an additional 24–40 cm (9–16 in) for its prehensile tail (seen here hanging below the branch). It is mainly a folivore, but has been known to eat small mammals such as rats. It is common in cities, having adapted well to human habitation.

Photo: JJ Harrison
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