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44 results found

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) in summer plumage, San Juan National Forest, Colorado, United States of America, North America

Northern fulmar (Fulmarus glacialis glacialis) on the wing over calm seas in the Svalbard Archipelago, Norway, Arctic, Europe

An adult Sabine's Gull (Xema sabini) in melt water pool in the Svalbard Archipelago, Norway, Arctic, Europe

Adult Royal Tern (Thalasseus maximus albididorsalis) in flight at breeding colony on Ile des Oiseaux, Parc National du Delta du Saloum, UNESCO World Heritage Site, Senegal, West Africa, Africa

Adult southern rockhopper penguin (Eudyptes chrysocome chrysocome) at breeding and molting colony, Falkland Islands, South America

An avocet (Recurvirostra avosetta), at Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe

Adult male long-tailed meadowlark (Sturnella loyca) in breeding plumage on New Island in the Falkland Islands

Adult male spruce (Franklin's) grouse (Falcipennis canadensis) near Brooks River, Katmai National Park, Alaska, United States of America

Adult male common eider ducks (Somateria mollissima) in breeding plumage in the Svalbard Archipelago, Norway

Adult Atlantin puffin (Fratercula arctica) during breeding season, Isfjardardjup, Westfjords region, Northwestern Iceland

Adult Atlantin puffin (Fratercula arctica) during breeding season, Isfjardardjup, Westfjords region, Northwestern Iceland

Adult black guillemot (Cepphus grylle) in summer plumage near Vigur Island in Isafjardardjup Bay, Iceland

Adult Eurasian oystercatcher (Haematopus ostralegus ostralegus) in full breeding plumage at Isfjardardjup, Iceland

Adult Subantarctic Skua (Catharacta antarctica lonnbergi) cleaning itself in glacier run off at Stromness Bay, South Georgia, Polar Regions

Adult black-legged kittiwakes (Rissa tridactyla) in flight in the Svalbard Archipelago, Barents Sea, Norway, Arctic, Europe

King penguins (Aptenodytes patagonicus) in downy plumage (okum boys) on South Georgia Island, Polar Regions

Great Kiskadee, (Pitangus Sulphuratus), a passerine bird common in Central and South America, Bermuda, Atlantic, North America

Adult Arctic Skua (Stercorarius parasiticus), on ice floe in the Svalbard Archipelago, Norway, Arctic, Europe

Adult southern rockhopper penguin (Eudyptes chrysocome chrysocome) at breeding and molting colony, Falkland Islands, South America

Black-browed albatross (Thalassarche melanophrys) adult feeding chick at nesting site on West Point Island, Falkland Islands, South America

Black-headed gull Chroicocephalus ridibundus), summer plumage, hovering over flowering cotton grass, Finland, Europe

Adult dovekies (Little Auk) (Alle alle) at their breeding site amongst scree slopes at Rubini Rock, Tikhaya Bay, Hooker Island, Franz Josef Land, Russia, Arctic Ocean, Eurasia

Male Great frigatebird (Fregata minor) in breeding plumage with red gular pouch, on Genovesa (Tower) Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult elegant tern (Thalasseus elegans), looking for fish on Isla Carmen, Baja California Sur, Sea of Cortez, Mexico, North America

Adult elegant tern (Thalasseus elegans), looking for fish on Isla Carmen, Baja California Sur, Sea of Cortez, Mexico, North America

An adult female willow ptarmigan (Lagopus lagopus) in summer plumage on the Snaefellsnes Peninsula, Iceland, Polar Regions

Long-tailed duck (clangual hyernalis) adult male in summer breeding plumage, taking off from water, varanger, norway

Adult black guillemot (Cepphus grylle) taking flight with fish in the Svalbard Archipelago in the Barents Sea, Norway

Great Northern Diver (Gavia immer) swimming in water. Moulting from summer plumage to winter plumage.. Isle of Mull, Argyll and the Islands, Scotland, UK

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

Adult black guillemot (Cepphus grylle) in summer plumage in the Svalbard Archipelago in the Barents Sea, Norway.

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

Adult black guillemot (Cepphus grylle) in summer plumage in the Svalbard Archipelago in the Barents Sea, Norway.

Ptarmigan (Lagopus mutus) female 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

Adult black guillemot (Cepphus grylle) in summer plumage near Vigur Island in Isafjardardjup Bay, Iceland

Adult black guillemot (Cepphus grylle) in summer plumage near Vigur Island in Isafjardardjup Bay, Iceland

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. Highlands, Scotland, UK

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

First summer coloration Bonaparte's gull (Larus philadelphia) in the calm waters of Takatz Bay on Baranof Island in Southeastern Alaska, USA. Pacific Ocean.

Adult black guillemot (Cepphus grylle) in summer plumage on ice in the Svalbard Archipelago in the Barents Sea, Norway.

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

Swallow (Hirundo rustica) flying low over the meadow feeding on insects. During summer Swallows can be found darting over a meadows surface feeding on the abundance of insects that can be found there. . Argyll, Scotland

Adult black guillemot (Cepphus grylle) in summer plumage in the Svalbard Archipelago in the Barents Sea, Norway.

First summer coloration Bonaparte's gull (Larus philadelphia) in the calm waters of Takatz Bay on Baranof Island in Southeastern Alaska, USA. Pacific Ocean.

Adult black guillemot (Cepphus grylle) in summer plumage in the Svalbard Archipelago in the Barents Sea, Norway.

Swallow (Hirundo rustica) flying low over the meadow feeding on insects. During summer Swallows can be found darting over a meadows surface feeding on the abundance of insects that can be found there. . Argyll, Scotland

Willow Ptarmigan (Lagopus Lagopus) In Plumage Transition From Brown Summer Color To White Winter Color

Close-up portrait of an oystercatcher bird (Haematopus) standing on a rock covered in yellow, orange colored seaweed, on a summer day in Prince William Sound, Alaska, United States of America

Willow Ptarmigan male (Lagopus lagopus) turning into his summer colours from his white winter's coat, Denali National Park and Preserve; Alaska, United States of America

A female Anna's Hummingbird (Calypte anna) flies through the Lucifer crocosmia (Crocosmia curtonus) in an Oregon flower garden in summertime; Astoria, Oregon, United States of America

Young Arctic Foxes (Alopex Lagopus) in front of a gopro in front of the burrow, Jameson Land, Northeast Greenland

Arctic Foxes (Alopex Lagopus) family in the tundra, at the bottom the Scoresbysund, Jameson land, North East Greenland