rock ptarmigan, ptarmigan (Lagopus muta)

Lagopus muta is a species in the Lagopus genus. It is commonly known as rock ptarmigan, ptarmigan This name is unplaced name for the species in the family Phasianidae subfamily Phasianinae, tribe Tetraonini, . This species is found in breeds across Arctic and Subarctic Eurasia and North America (including Greenland) on rocky mountainsides and tundra. It is widespread in the Arctic Cordillera and is found in isolated populations in the mountains of Norway, Scotland, the Pyrenees, the Alps, Bulgaria, the Urals, the Pamir Mountains, the Altay Mountains, and Japan.