71461066 - Rock Ptarmigan (Lagopus muta hyperborea) male and female in its habitat, Spitsbergen, Svalbard, Norway, Arctic 71461065 - Rock Ptarmigan (Lagopus muta hyperborea) female in its habitat, Spitsbergen, Svalbard, Norway, Arctic 71460993 - Rock Ptarmigan (Lagopus muta hyperborea), male, , Spitsbergen, Svalbard, Norway, Arctic 71461064 - Rock Ptarmigan (Lagopus muta hyperborea) male in its habitat, Spitsbergen, Svalbard, Norway, Arctic 14207793 - Rock Ptarmigan, during winter in the tundra of Svalbard in Van Mijenfjorden National Park. Arctic Region, Scandinavia, Norway, Svalbard14207792 - Rock Ptarmigan, during winter in the tundra of Svalbard in Van Mijenfjorden National Park. Arctic Region, Scandinavia, Norway, Svalbard14349107 - Alpine wildflower meadows along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349103 - Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349096 - Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349104 - Alpine wildflower meadows along the Ptarmigan Cirque Trail in summer, Mount Rae, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349100 - Alpine wildflower meadows along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America70476810 - Ptarmigan In The Willows Along The Demspter Highway, Yukon.70451382 - Willow Ptarmigan in winter plumage, Arctic Valley, Southcentral Alaska, Winter71375694 - Ptarmigan, hen, Lagopus mutus, winter, Iceland, Europe71080390 - Close up of a white ptarmigan Lagopus perched on a rock with a blurred photographer in a red jacket taking a picture of it with a long lens in the background, Spitsbergen, Svalbard, Norway71108346 - Willow Ptarmigan (Lagopus lagopus) foraging among willows in early spring in Arctic Valley in Southcentral Alaska.70477011 - Male Willow Ptarmigan In Winter Plumage Standing On Hard Packed Snow With Red Crest Visible, Chugach Mountains, Southcentral Alaska, Winter71107675 - 'Ptarmigan (Lagopus); Churchill, Manitoba, Canada'70486751 - Male Willow Ptarmigan Sitting In Spruce Tree With Plumage Beginning To Turn From White To Its Summer Colors, Interior Alaska71107671 - 'Ptarmigan (Lagopus); Churchill, Manitoba, Canada'70439775 - Ptarmigan, Churchill, Manitoba70307597 - Willow Ptarmigan Lagopus lagopus Winter plumage71329337 - France, Haute-Savoie, Chamonix, Alpine Ptarmigan (Lagopus muta)71302567 - Rock ptarmigan on the rocks in the Stelvio Natural Park, Valtellina, Province of Sondrio, Lombardy, Italy, Europe71302566 - Rock ptarmigan on the rocks in the Stelvio Natural Park, Valtellina, Province of Sondrio, Lombardy, Italy, Europe71094060 - ptarmigan, Trentino Alto-Adige, Italy71093370 - Stelvio National Park, Trentino Alto Adige, Italy. Ptarmigan.71045461 - Rock ptarmigan (Lagopus muta hyperborea), Billefjord, Svalbard, Spitzbergen, Norway, Scandinavia, Europe71329338 - France, Haute-Savoie, Chamonix, Alpine Ptarmigan (Lagopus muta)71302366 - Stelvio National Park, Lombardy, Italy. Rock ptarmigan71052166 - White-tailed ptarmigan (Lagopus leucurus) in summer plumage, San Juan National Forest, Colorado, United States of America, North America71089911 - Mountain Ptarmigan on woodpile at Sälka hut, Kungsleden trail, Lapland, Sweden71201579 - Ptarmigan,Stelvio National Park,trentino alto-adige,Italy71150996 - Trentino Alto Adige, Italy, Rock ptarmigan71163653 - Stelvio National Park, Lombardy, Italy, Ptarmigan71201578 - Ptarmigan,Stelvio National Park,trentino alto-adige,Italy71201577 - Ptarmigan,Stelvio National Park,trentino alto-adige,Italy71201576 - Ptarmigan,Stelvio National Park,trentino alto-adige,Italy71163651 - Stelvio National Park, Lombardy, Italy, Ptarmigan71155864 - Trentino Alto Adige, Italy, Rock ptarmigan71154765 - Ptarmigan in wetsuit in the Alps mountains - Valtellina - Lombardy - Italy71164694 - Stelvio National Park, Lombardy, Italy, Ptarmigan71155894 - Stelvio National Park, Trentino Alto Adige, Italy, Ptarmigan71155893 - Stelvio National Park, Trentino Alto Adige, Italy, Ptarmigan71164695 - Stelvio National Park, Lombardy, Italy, Ptarmigan71164690 - Stelvio National Park, Lombardy, Italy, Ptarmigan71155879 - Trentino Alto Adige, Italy, Rock ptarmigan71155877 - Trentino Alto Adige, Italy, Rock ptarmigan71155880 - Trentino Alto Adige, Italy, Rock ptarmigan71155878 - Trentino Alto Adige, Italy, Rock ptarmigan71155900 - Trentino Alto Adige, Italy, Rock ptarmigan14208812 - USA, Colorado, Mt. Evans. White-tailed ptarmigan bird changing plumage.14349108 - Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349098 - Alpine waterfall along the Ptarmigan Cirque Trail in summer, Mount Arethusa, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349105 - Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349101 - Alpine wildflower meadows along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349095 - Alpine wildflower meadows with pasqueflower seedheads along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349106 - Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349099 - Alpine creek flowing through wildflower meadows along the Ptarmigan Cirque Trail in summer, Mount Arethusa, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349097 - Alpine wildflower meadows along the Ptarmigan Cirque Trail in summer, Mount Arethusa, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America14349091 - Alpine creek flowing through wildflower meadows along the Ptarmigan Cirque Trail in summer, Mount Arethusa, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America13708645 - An adult female willow ptarmigan (Lagopus lagopus) in the shrubs in Denali National Park, Alaska, United States of America, North America70284897 - Fresh autumn snow on the Ptarmigan Wall above the Iceberg Lake Trail, Glacier National Park Montana USA71159685 - Chick of a ptarmigan on the wooden boards of the Kungsleden trek. Lapland Sweden.71051402 - White-tailed ptarmigan (Lagopus leucurus) in summer plumage, San Juan National Forest, Colorado, United States of America, North America71302878 - Rock Ptarmigan (Lagopus muta) in Northern Manitoba, Canada70284895 - Fresh autumn snow on the Ptarmigan Wall Glacier National Park Montana USA70170199 - Willow ptarmigan (Lagopus Scoticus). Adult male. Churchill. Manitoba. Canada70284896 - Fresh autumn snow on the Ptarmigan Wall above the Iceberg Lake Trail, Glacier National Park Montana USA70150941 - Swiftcurrent Lake. Ptarmigan Wall. Glacier National Park. Montana Northern. USA.71029558 - Glowing tent at dusk, White Rock Lakes along the Ptarmigan Traverse, North Cascades, Washington71029544 - Willow Ptarmigan in a middle of grass and fireweed in Katmai National Park, Alaska71029365 - Climber traversing in front of Mount Formidable during the Ptarmigan Traverse , North Cascades, Washington71081474 - Hikers on the ridge that connects Flattop Mountain, Peak 2, Peak 3, and Flaketop to Ptarmigan Pass in Chugach State Park near Anchorage, Alaska June 2011. The four-mile traverse is a popular local hike and suitable for trail running.71122713 - An adult female willow ptarmigan (Lagopus lagopus) in summer plumage on the Snaefellsnes Peninsula, Iceland, Polar Regions71081473 - Hikers on the ridge that connects Flattop Mountain, Peak 2, Peak 3, and Flaketop to Ptarmigan Pass in Chugach State Park near Anchorage, Alaska June 2011. The four-mile traverse is a popular local hike and suitable for trail running.71029557 - Tent at dusk, White Rock Lakes along the Ptarmigan Traverse, North Cascades, Washington71203113 - Portrait of a female of Rock ptarmigan bird - Lagopus muta - behind a rock, in summer plumage71161072 - Portrait Of A White-tailed Ptarmigan70487417 - 'Small stream in highwood pass flows through low willow bushes;Kananaskis, alberta, canada'71169496 - Snow grouse ducking down, Radstadt Tauern, Carinthia, Austria71138519 - Willow grouse, Lagopus lagopus, Jamtland, Sweden.71105168 - Portrait of a Willow grouse, Lagopus lagopus in winter time in Gällivare, Swedish lapland, Sweden.71110356 - Stelvio National Park, Lombardy, Italy.Ptarmigan71105186 - Willow grouse, Lagopus lagopus, in winter time eating from a birch bending his neck backwards standing in plenty of snow, sarek national park, Swedish Lapland, Sweden.71093831 - Stelvio National Park, Lombardy, Italy.Ptarmigan71093811 - Stelvio National Park, Lombardy, Italy.Ptarmigan71093812 - Stelvio National Park, Lombardy, Italy.Ptarmigan71093806 - Stelvio National Park, Lombardy, Italy.Ptarmigan71307263 - A Tibetan Snowcock between Gorak Shep and Everest Base Camp. The trek to Everest Base Camp (EBC) is possibly the most dramatic and picturesque in the Nepalese Himalaya. Not only will you stand face to face with Mount Everest, Sagarmatha in Nepali language, at 8,848 m (29,029 ft), but you will be following in the footsteps of great mountaineers like Edmund Hillary and Tenzing Norgay. The trek is scenic and offers ever-changing Himalayan scenery through forests, hills and quaint villages. A great sense of anticipation builds as you trek up the Khumbu Valley, passing through intriguing Sherpa vil
