Willow Ptarmigan, with 17 subspecies, is a medium-sized bird in the grouse family.Willow Ptarmigan likes to move in the woods and sometimes in farmland. Except for the breeding season, they mostly move in groups, and in winter there can be more than a hundred. The range of activities is wide, and th...
Rock Ptarmigan has 25 subspecies.Rock Ptarmigan is mostly active in groups except during the breeding season, mostly in small groups of 3-5, and sometimes even up to 100 in winter. It mainly moves on the ground, and roosts in snow caves at night in winter. It flies quickly, but not far. It lives in...