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Peafowl Male (Pavo phasianidae)
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Description: The term peafowl can refer to the two species of bird in the genus Pavo of the pheasant family, Phasianidae. Peafowl are best known for the male''s extravagant tail, which it displays as part of courtship. The male is called a pea , and the female a peahen. The offspring are called peachicks. The female peafowl is brown or toned grey and brown. Peachicks can be between yellow, to a tawny colour with darker brown patches.The species are:Indian Peafowl, Pavo cristatus, a resident breeder in South Asia. The pea is designated as the national bird of India and the provincial bird of Punjab.Green Peafowl, Pavo muticus. Breeds from Burma east to Java. The IUCN lists the Green Peafowl as vulnerable to extinction due to hunting and a reduction in extent and quality of habitat. The male (pea ) Indian Peafowl has iridescent blue-green or green colored plumage. The pea tail (train) is not the tail quill feathers but the highly elongated upper tail coverts. The eyes are best seen when the pea fans its tail. Like a cupped hand behind the ear the erect tail-fan of the male helps direct sound to the ears. Both species have a crest atop the head. The female (peahen) Indian Peafowl has a mixture of dull green, brown, and grey in her plumage. She lacks the long upper tail coverts of the male but has a crest. The female can also display her plumage to ward off female competition or signal danger to her young. The Green Peafowl appears different from the Indian Peafowl. The male has green and gold plumage and has an erect crest. The wings are black with a sheen of blue. Unlike the Indian Peafowl, the Green Peahen is similar to the male, only having shorter upper tail coverts and less iridescence. It is difficult to tell a juvenile male from an adult female.As with many birds, vibrant plumage colours are not primarily pigments, but optical interference Bragg reflections, based on regular, periodic nanostructures of the barbules (fiber-like components) of the feathers.
Uploaded By: femcat38
Date: 10/6/2011
Views: 345
File Size: 101 KB
