Essay Red Feather

Charles Darwin suggested they served to attract females, and the showy features of the males had evolved by sexual selection.

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Both sexes of all species have a crest atop the head.

The Indian peahen has a mixture of dull grey, brown, and green in her plumage.

As with many birds, vibrant iridescent plumage colours are not primarily pigments, but structural colouration.

Optical interference Bragg reflections, based on regular, periodic nanostructures of the barbules (fiber-like components) of the feathers, produce the peacock's colours.

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.

Essay Red Feather

Male peafowl are referred to as peacocks, and female peafowl as peahens.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).The peacock "tail", known as a "train", consists not of tail quill feathers, but highly elongated upper tail coverts.These feathers are marked with eyespots, best seen when a peacock fans his tail.These feathers are much shorter than those of the Indian and green species, and the ocelli are much less pronounced.Females of the Indian and African species are dull grey and/or brown.colour variations include white, purple, Buford bronze, opal, midnight, charcoal, jade, and taupe, as well as the sex-linked colours purple, cameo, peach, and Sonja's Violeta.Additional colour and pattern variations are first approved by the United Peafowl Association to become officially recognised as a morph among breeders.Such structural colouration causes the iridescence of the peacock's hues.Interference effects depend on light angle rather than actual pigments.

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