Willow Ptarmigan
Rock Ptarmigan
33 cm (13") Uncommon. Arctic. Rocky Mountains above tree line.
Summer: mottled black on brown, white belly, wings and tail.
Winter: all white except for bill and eye and red eye comb.
Videos
Watch
Credit: Cornell Lab of Ornithology
Watch
Credit: Khanh Tran
Images
Credit: Daniel Arndt
Credit: Craig Hansen / USFWS
Credit: Craig Hansen / USFWS
Credit: Mary Sanseverino