ptarmigan, blue sky. white rock ptarmigan, lagopus mutus, white bird sitting in the snow, norway. cold winter, north of europe.

winter willow wildlife wild white tundra sweden summer spring snow seasons seasonal sea scotland rock ptarmigan plumage pacific ocean norway nature mutus muta moult lagopus japan island iceland hudson grouse game foraging finland feathers copper commander churchill chicken camouflage bird bering beautiful bay autumn attack arctic animals