Rock Ptarmigan winter plumage Churchill, Manitoba 3 Nov 1996 The black line through the eye and a smaller size separate this species from Willow Ptarmigan in winter plumage. It was about 15 degrees F with a stiff wind and the bird was foraging on frozen tundra with scattered snow.
Rock Ptarmigan winter plumage Churchill, Manitoba 3 Nov 1996 The black line through the eye and a smaller size separate this species from Willow Ptarmigan in winter plumage. It was about 15 degrees F with a stiff wind and the bird was foraging on frozen tundra with scattered snow.