National Geographic Bird Coloration by Geoffrey E. Hill has gorgeous pictures and lively explanations that captivate beginners as well as serious twitchers. Author and noted ornithologist Geoff Hill takes readers on an informative visual and narrative tour. Seventeen short chapters with engaging narrative and lots of photos with information-packed captions illustrate the mechanisms by which birds produce the characteristic and sometimes brilliant coloration of their feathers and other body parts. It looks at the function of ornamental coloration and at how birds' signaling attracts mates and deters competitors. It gives answers to common questions such as why a male peacock makes its stunning tail displays and why a juvenile Roseate Spoonbill has coloration different from either parent.
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