184 pictures found
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Willow ptarmigan, (Lagopus lagopus), male taking flight in the Varanger, Norway
© Michael Adam / Biosphoto
© Michael Adam / Biosphoto
Willow ptarmigan, (Lagopus lagopus), male taking flight in the Varanger, Norway
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Snowshoe hare (Lepus americanus) changing colour from white to brown in spring, Saguenay lac St Jean region, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Snowshoe hare (Lepus americanus) changing colour from white to brown in spring, Saguenay lac St Jean region, Province of Quebec, Canada
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Resplendent Quetzal (Pharomachrus mocinno), Male in moulting
© Ignacio Yufera / Biosphoto
© Ignacio Yufera / Biosphoto
Resplendent Quetzal (Pharomachrus mocinno), Male in moulting plumage, Talamanca Mountains, Costa Rica, July
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Rock Ptarmigan ( Lagopus mutus ) female in the Valais Alps , Switzerland. Autumn moult change.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan ( Lagopus mutus ) female in the Valais Alps , Switzerland. Autumn moult change.
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Rock Ptarmigan ( Lagopus mutus ) female in the Valais Alps , Switzerland. Autumn moult change.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan ( Lagopus mutus ) female in the Valais Alps , Switzerland. Autumn moult change.
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Arctic fox (alopex lagopus), young animal in Fjell, Dovrefjell National Park, Norway, Europe
© Matthias Delle / imageBROKER / Biosphoto
© Matthias Delle / imageBROKER / Biosphoto
Arctic fox (alopex lagopus), young animal in Fjell, Dovrefjell National Park, Norway, Europe
© Michel Rauch / Biosphoto
Rock Ptarmigan (Lagopus muta) pair on the tundra, Iceland
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Black-headed Gull (Chroicocephalus ridibundus) on a beach, change of plumage on the head, black hood beginning to appear, Normandy, France
© Christophe Perelle / Biosphoto
© Christophe Perelle / Biosphoto
Black-headed Gull (Chroicocephalus ridibundus) on a beach, change of plumage on the head, black hood beginning to appear, Normandy, France
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Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
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Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
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Rock Ptarmigan (Lagopus muta) pair on a rock at the top of a mountain, Alps, Austria.
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Rock Ptarmigan (Lagopus muta) pair on a rock at the top of a mountain, Alps, Austria.
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Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
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Rock Ptarmigan (Lagopus muta) in the grass in the mountains, Alps, Austria
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Rock Ptarmigan (Lagopus muta) in the grass in the mountains, Alps, Austria
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Rock ptarmigan (Lagopus muta) on a rock in the mountains, Alps, Austria
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Rock ptarmigan (Lagopus muta) on a rock in the mountains, Alps, Austria
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Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
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Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Rock ptarmigan (Lagopus muta) on a rock at the top of a mountain, Alps, Austria.
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Mountain hare (Lepus timidus), in spring coat, in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Mountain hare (Lepus timidus), in spring coat, in the Valais Alps, Switzerland.
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Pair of mountain hare (Lepus timidus) in spring coat in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Pair of mountain hare (Lepus timidus) in spring coat in the Valais Alps, Switzerland.
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Mountain hare (Lepus timidus), in spring coat, in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Mountain hare (Lepus timidus), in spring coat, in the Valais Alps, Switzerland.
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Red grouse (Lagopus lagopus) male in breeding plumage on the Varanger tundra, Norway
© Christophe Perelle / Biosphoto
© Christophe Perelle / Biosphoto
Red grouse (Lagopus lagopus) male in breeding plumage on the Varanger tundra, Norway
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Red grouse (Lagopus lagopus) male in breeding plumage on the
© Christophe Perelle / Biosphoto
© Christophe Perelle / Biosphoto
Red grouse (Lagopus lagopus) male in breeding plumage on the Varanger tundra, Norway
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Red grouse (Lagopus lagopus) male in breeding plumage on the Varanger tundra, Norway
© Christophe Perelle / Biosphoto
© Christophe Perelle / Biosphoto
Red grouse (Lagopus lagopus) male in breeding plumage on the Varanger tundra, Norway
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Red grouse (Lagopus lagopus) male in breeding plumage on the Varanger tundra, Norway
© Christophe Perelle / Biosphoto
© Christophe Perelle / Biosphoto
Red grouse (Lagopus lagopus) male in breeding plumage on the Varanger tundra, Norway
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Red grouse (Lagopus lagopus) adult female on a rock in Finnish Lapland
© Michael Adam / Biosphoto
© Michael Adam / Biosphoto
Red grouse (Lagopus lagopus) adult female on a rock in Finnish Lapland
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Alpine Ibex (Capra ibex), Mercantour National Park, France
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alpine Ibex (Capra ibex), Mercantour National Park, France
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Alpine Ibex (Capra ibex), Mercantour National Park, France
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alpine Ibex (Capra ibex), Mercantour National Park, France
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Willow ptarmigan, (Lagopus lagopus), male taking off in an early summer snow shower in Varanger, Norway.
© Michael Adam / Biosphoto
© Michael Adam / Biosphoto
Willow ptarmigan, (Lagopus lagopus), male taking off in an early summer snow shower in Varanger, Norway.
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Willow ptarmigan, (Lagopus lagopus), male singing to mark his territory in the Varanger, Norway
© Michael Adam / Biosphoto
© Michael Adam / Biosphoto
Willow ptarmigan, (Lagopus lagopus), male singing to mark his territory in the Varanger, Norway
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Alaskan ptarmigan (Lagopus lagopus alascensis) on a branch, Denali National Park, Alaska, USA
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaskan ptarmigan (Lagopus lagopus alascensis) on a branch, Denali National Park, Alaska, USA
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Alaskan ptarmigan (Lagopus lagopus alascensis) on the tundra, Denali National Park, Alaska, USA
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaskan ptarmigan (Lagopus lagopus alascensis) on the tundra, Denali National Park, Alaska, USA
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Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on a rock,
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on a rock, Denali National Park, Alaska, USA
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Alaskan ptarmigan (Lagopus lagopus alascensis) on a bench, Denali National Park, Alaska, USA
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaskan ptarmigan (Lagopus lagopus alascensis) on a bench, Denali National Park, Alaska, USA
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Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on a rock, Denali National Park, Alaska, USA
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on a rock, Denali National Park, Alaska, USA
© Frédéric Desmette / Biosphoto
Starling (Sturnus vulgaris) perched fence, Spain
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Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
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Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
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Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
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Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
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Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
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Bald eagle (Haliaeetus leucocephalus) juvenile in flight. Close-up of the talons. Mauricie region. Province of Quebec. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Bald eagle (Haliaeetus leucocephalus) juvenile in flight. Close-up of the talons. Mauricie region. Province of Quebec. Canada
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Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Bald Eagle (Haliaeetus leucocephalus) juvenile in flight. Mauricie region. Province of Quebec. Canada
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Red grouse (Lagopus lagopus) male on its singing promontory, Norway
© Christophe Perelle / Biosphoto
© Christophe Perelle / Biosphoto
Red grouse (Lagopus lagopus) male on its singing promontory, Norway
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Wren (Troglodytes troglodytes) perched amongst bullrush, England
© Frédéric Desmette / Biosphoto
© Frédéric Desmette / Biosphoto
Wren (Troglodytes troglodytes) perched amongst bullrush, England
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Rock Ptarmigan (Lagopus muta) male on a rock in spring, Iceland
© Emile Barbelette / Biosphoto
© Emile Barbelette / Biosphoto
Rock Ptarmigan (Lagopus muta) male on a rock in spring, Iceland
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Rock ptarmigan (Lagopus muta) on the autumn tundra of Scoresby Sound, Greenland
© Raphaël Sané / Biosphoto
© Raphaël Sané / Biosphoto
Rock ptarmigan (Lagopus muta) on the autumn tundra of Scoresby Sound, Greenland
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Turkey vulture (Cathartes aura) youngs moulting their feathers and warming themselves on a tin roof. Central Quebec region. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Turkey vulture (Cathartes aura) youngs moulting their feathers and warming themselves on a tin roof. Central Quebec region. Canada
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Turkey vulture (Cathartes aura) young in plumage moult, in a white pine tree and observing. Central Quebec region. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Turkey vulture (Cathartes aura) young in plumage moult, in a white pine tree and observing. Central Quebec region. Canada
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Turkey vulture (Cathartes aura) youngs moulting their feathers and warming themselves on a tin roof. Central Quebec region. Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Turkey vulture (Cathartes aura) youngs moulting their feathers and warming themselves on a tin roof. Central Quebec region. Canada