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Vibrant Red House Finch
Автор: Cornell Lab of Ornithology
Загружено: 13 июл. 2016 г.
Просмотров: 24 999 просмотров
Описание:
In many bird species, including the House Finch, females are attracted to males with more vibrant feathers, a trait that can indicate a male’s superior physiological condition. This has been tested through an experiment that found that male House Finches with bright red plumage recovered faster from illness than those with dull, yellow feathers.
This video accompanies Chapter 9, Avian Mating and Social Behavior, Handbook of Bird Biology 3rd Edition from the Cornell Lab of Ornithology and Wiley Publishing.
http://birdbiology.org
Larry R Arbanas/Cornell Lab of Ornithology/Macaulay Library/480154
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