Bird Feathers

Feathers serve several different functions other than the most obvious one of flight. They serve as protection from both heat and cold. In cold weather the feathers are fluffed up to trap a layer of insulating air between the body and the feathers wh

The Function of Feathers - Brevard Zoo Blog

Bird Feather Pictures Download Free Images on Unsplash

The Feather Atlas - Feather Identification and Scans - U.S. Fish and Wildlife Service Forensics Laboratory

Light trickery makes bird feathers blue but not red

High-altitude birds evolved thicker 'jackets

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Why Do Birds Lose Their Feathers? Cleveland Museum of Natural History

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