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  2. Plumage - Wikipedia

    en.wikipedia.org/wiki/Plumage

    Plumage (from Latin pluma 'feather') is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes. Within species, there can be different colour morphs.

  3. How birds get their colors. A visual guide to your ...

    www.aol.com/birds-colors-visual-guide...

    The strongest pressure is what drives a bird’s feathers to be a certain way, Shultz said, whether it’s to impress a mate, blend into the environment, or stay cool in a hot place.

  4. Category:Bird colours - Wikipedia

    en.wikipedia.org/wiki/Category:Bird_colours

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  5. Bulbul - Wikipedia

    en.wikipedia.org/wiki/Bulbul

    In a few species the differences are so great that they have been described as functionally different species. The soft plumage of some species is colorful with yellow, red or orange vents, cheeks, throat or supercilia, but most are drab, with uniform olive-brown to black plumage. Species with dull coloured eyes often sport contrasting eyerings.

  6. Feather - Wikipedia

    en.wikipedia.org/wiki/Feather

    Although feathers are light, a bird's plumage weighs two or three times more than its skeleton, since many bones are hollow and contain air sacs. Color patterns serve as camouflage against predators for birds in their habitats, and serve as camouflage for predators looking for a meal. As with fish, the top and bottom colors may be different, in ...

  7. List of birds of Pakistan - Wikipedia

    en.wikipedia.org/wiki/List_of_birds_of_Pakistan

    This is a list of the bird species recorded in Pakistan.The avifauna of Pakistan include a total of 792 species. The chukar (Alectoris chukar) is the official national bird of Pakistan, and the shaheen falcon is the symbolic icon of the Pakistan Air Force and Pakistan Avicultural Foundation, one bird is endemic.

  8. Humphrey–Parkes terminology - Wikipedia

    en.wikipedia.org/wiki/Humphrey–Parkes_terminology

    For birds that do not completely molt into full adult plumage the first time, a numbering system is used to signify which plumage it is in. For example, for the first time a bird enters basic plumage, the plumage is known as first basic plumage; the second, second basic plumage. The numbers are dropped after a bird achieves its full adult plumage.

  9. Gloger's rule - Wikipedia

    en.wikipedia.org/wiki/Gloger's_rule

    One explanation of Gloger's rule in the case of birds appears to be the increased resistance of dark feathers to feather- or hair-degrading bacteria such as Bacillus licheniformis. Feathers in humid environments have a greater bacterial load, and humid environments are more suitable for microbial growth; dark feathers or hair are more difficult ...