A female Rock Ptarmigan sits on her nest in Alaska. These birds are well camouflaged all year and turn pure white in the snow-covered winter.
Video recorded by Luke Eberhart-Phillips/Macaulay Library/[ Ссылка ].
For more bird videos and sounds, explore the Macaulay Library at the Cornell Lab of Ornithology, [ Ссылка ].
For additional identification and life history information visit: [ Ссылка ]
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