Rock Ptarmigan
NameRock Ptarmigan
Common NameRock Ptarmigan
Scientific NameLagopus muta
FamilyPhasianidae
Wingspan (cm)57
Length (cm)33.5
Weight (g)550
Plumage DetailsIn winter, the plumage is entirely white, providing camouflage against snow. Males exhibit prominent black lores (stripe between eye and bill) and a bright red comb above the eye. Females are similar but with less prominent lores and a smaller comb. Summer plumage is mottled brown and grey.
Vocalization / CallVocalizations include a variety of harsh, guttural croaks and cackles, often described as a rapid 'krr-krr-krr' or a 'go-back, go-back' call, particularly during breeding season.
Primary Habitatstundra, mountain
Conservation Statusleast-concern
Geographic RangeCircumpolar distribution across arctic and subarctic regions of North America, Greenland, Iceland, northern Europe, and northern Asia. Also found in high mountains further south, such as the Alps and Pyrenees.
Identifying Featuresseasonal plumage change, white winter plumage, red comb (male), black lores (male), feathered feet
Description
The Rock Ptarmigan is a medium-sized grouse known for its remarkable seasonal plumage changes, providing excellent camouflage in its harsh arctic and alpine environments. It is a hardy bird, often seen foraging on vegetation even in snowy conditions.
