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A peacock spreading his tail, displaying his plumage Peahen. Peafowl is a common name for two bird species of the genus Pavo and one species of the closely related genus Afropavo within the tribe Pavonini of the family Phasianidae (the pheasants and their allies). Male peafowl are referred to as peacocks, and female peafowl are referred to as ...
1781 painting by Maruyama Okyo Adult female head and upper neck Male profile. The green peafowl is a large bird in terms of overall size. The male is 1.8–3 m (5 ft 11 in – 9 ft 10 in) in total length, including its train, which measures 1.4–1.6 m (4 ft 7 in – 5 ft 3 in); the adult female is around half the total length of the breeding male at 1–1.1 m (3 ft 3 in – 3 ft 7 in) in length.
The peahen is predominantly brown in colour, with a white face and iridescent green lower neck, and lack the elaborate train. There are several colour mutations of the Indian peafowl including the leucistic white peafowl. Despite the length and size of the covert feathers, the peacock is still capable of flight.
Darwin argued that the female peahen chose to mate with the male peacock who she believed had the most beautiful plumage. Part II of the book begins with a chapter outlining the basic principles of sexual selection, followed by a detailed review of many different taxa of the kingdom Animalia which surveys various classes such as molluscs and ...
The female (peahen) measures up to 60–63 centimetres (24–25 in) in length and is generally a chestnut brown bird with a black abdomen, metallic green back, and a short chestnut brown crest. Both sexes resemble immature Asian peafowl, with early stuffed birds being erroneously classified as such before they were officially designated as ...
The peacock tail in flight, the classic example of an ornament assumed to be a Fisherian runaway. Fisherian runaway or runaway selection is a sexual selection mechanism proposed by the mathematical biologist Ronald Fisher in the early 20th century, to account for the evolution of ostentatious male ornamentation by persistent, directional female choice.
Pavo bravardi (Bravard's peafowl) (Early – Late Pliocene) – Gallus moldovicus, sometimes misspelt moldavicus, may be a junior synonym [5]; Gallus aesculapii, a Late Miocene – Early Pliocene "junglefowl" of Greece, may also have been a peafowl [5]
A female peahen and her chicks freely roam the zoo's grounds. Situated inside the zoo's main entrance, the 21,000-square-foot (2,000 m 2) Mutual of Omaha's Wild Kingdom Pavilion was completed in the spring of 1987. The building currently houses reptiles, insects, amphibians, and small mammals, while also providing business offices, a 312-seat ...