Rock ptarmigan (Lagopus muta hyperborea), Billefjord, Svalbard, Spitzbergen, Norway, Scandinavia, Europe

White-tailed ptarmigan (Lagopus leucurus) in summer plumage, San Juan National Forest, Colorado, United States of America, North America

White-tailed ptarmigan (Lagopus leucurus) in summer plumage, San Juan National Forest, Colorado, United States of America, North America

White-tailed ptarmigan (Lagopus leucurus) hen among wildflowers, Uncompahgre National Forest, Colorado, United States of America, North America

Svalbard rock ptarmigan (Lagopus muta hyperborea), Svalbard, Norway, Scandinavia, Europe

Svalbard rock ptarmigan (Lagopus muta hyperborea), Svalbard, Norway, Scandinavia, Europe

Ptarmigan (Lagopus mutus) female sitting hidden in long grass, in summer and winter plumage. Highlands, Scotland, UK

Ptarmigan (Lagopus mutus) male sitting hidden in long grass, in summer and winter plumage. Highlands, Scotland, UK

Ptarmigan (Lagopus mutus) male standing in long grass, in summer and winter plumage. Highlands, Scotland, UK

Ptarmigan (Lagopus mutus) male standing in long grass, in summer and winter plumage. Highlands, Scotland, UK

Ptarmigan (Lagopus mutus) female sitting hidden in long grass, in summer and winter plumage. Highlands, Scotland, UK

Ptarmigan (Lagopus mutus) female sitting hidden in long grass, in summer and winter plumage. Highlands, Scotland, UK

Ptarmigan (Lagopus mutus) female standing on snow in winter and summer plumage. Highlands, Scotland, UK

Ptarmigan (Lagopus mutus) female sitting hidden in long grass, in summer and winter plumage, blue sky in background. Highlands, Scotland, UK

Ptarmigan (Lagopus mutus) male sitting hidden in long grass, in summer and winter plumage. Highlands, Scotland, UK

Rock Ptarmigan (Lagopus muta) in winter plumage, sitting in snow, Highlands, Scotland, Great Britain

Campsite at White Rock Lake looking toward gunsight peak, Ptarmigan Traverse, North Cascades, Washington

Glowing tent at dusk, White Rock Lakes along the Ptarmigan Traverse, North Cascades, Washington

Tent at dusk, White Rock Lakes along the Ptarmigan Traverse, North Cascades, Washington

Norway, Svalbard, Longyearbyen, Traditional style, modern accomodation block, Ptarmigan hanging from the window, Due to cold temperature locals hang recently shot gamebirds outside as the cold air keps them fresh.

Rock Ptarmigan male intermediate plumage, Swiss Alps

Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August

Rock ptarmigan;Lagopus muta) on a rock at the top of a mountain, Alps, Austria.

Rock ptarmigan;Lagopus muta) on a rock at the top of a mountain, Alps, Austria.

Rock Ptarmigan intermediate plumage, Swiss Alps

Rock Ptarmigan intermediate plumage, Swiss Alps

Male Rock Ptarmigan on rock, Swiss Alps