Essay Red Feather

Essay Red Feather-33
The two Asiatic species are the blue or Indian peafowl originally of the Indian subcontinent, and the green peafowl of Southeast Asia; the one African species is the Congo peafowl, native only to the Congo Basin.Male peafowl are known for their piercing calls and their extravagant plumage.The peacock "tail", known as a "train", consists not of tail quill feathers, but highly elongated upper tail coverts.

The two Asiatic species are the blue or Indian peafowl originally of the Indian subcontinent, and the green peafowl of Southeast Asia; the one African species is the Congo peafowl, native only to the Congo Basin.Male peafowl are known for their piercing calls and their extravagant plumage.The peacock "tail", known as a "train", consists not of tail quill feathers, but highly elongated upper tail coverts.

In addition to the wild-type "blue" colouration, several hundred variations in colour and pattern are recognised as separate morphs of the Indian Blue among peafowl breeders.

Pattern variations include solid-wing/black shoulder (the black and brown stripes on the wing are instead one solid colour), pied, white-eye (the ocelli in a male's eye feathers have white spots instead of black), and silver pied (a mostly white bird with small patches of colour).

Slight changes to the spacing of these barbules result in different colours.

Brown feathers are a mixture of red and blue: one colour is created by the periodic structure and the other is created by a Fabry–Pérot interference peak from reflections from the outer and inner boundaries.

Peafowl is a common name for three species of birds in the genera Pavo and Afropavo of the Phasianidae family, the pheasants and their allies.

Male peafowl are referred to as peacocks, and female peafowl as peahens.Hybrids between Indian and Green peafowl are called Spaldings, after the first person to successfully hybridise them, Mrs. Unlike many hybrids, spaldings are fertile and generally benefit from hybrid vigor; spaldings with a high-green phenotype do much better in cold temperatures than the cold-intolerant green peafowl while still looking like their green parents.Plumage varies between individual spaldings, with some looking far more like green peafowl and some looking far more like blue peafowl, though most visually carry traits of both.The female also displays her plumage to ward off female competition or signal danger to her young.Green peafowl differ from Indian peafowl in that the male has green and gold plumage and black wings with a sheen of blue.Alternately-coloured peafowl are born differently coloured than wild-type peafowl, and though each colour is recognisable at hatch, their peachick plumage does not necessarily match their adult plumage. Although albino peafowl do exist, this is quite rare, and almost all white peafowl are not albinos; they have a genetic condition called leucism, which causes pigment cells to fail to migrate from the neural crest during development.Leucistic peafowl can produce pigment but not deposit the pigment to their feathers.This results in the complete lack of colouration in their plumage and blue-grey eye colour.Pied peafowl are affected by partial leucism, where only some pigment cells fail to migrate, resulting in birds that have colour but also have patches absent of all colour; they, too, have blue-grey eyes.Chicks of both sexes in all the species are cryptically coloured.They vary between yellow and tawny, usually with patches of darker brown or light tan and "dirty white" ivory.

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