143 pictures found
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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
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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
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Rock Ptarmigan (Lagopus muta islandorum), side view of an adult male standing on a rock, Northeastern Region, Iceland
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Rock Ptarmigan (Lagopus muta islandorum), side view of an adult male standing on a rock, Northeastern Region, Iceland
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Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on a branch on snow in spring, Parc national Denali, Alaska, USA
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on a branch on snow in spring, Parc national Denali, Alaska, USA
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Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on snow in spring, Parc national Denali, Alaska, USA
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on snow in spring, Parc national Denali, Alaska, USA
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Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on snow in spring, Parc national Denali, Alaska, USA
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on snow in spring, Parc national Denali, Alaska, USA
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Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on snow in spring, Parc national Denali, Alaska, USA
© Robert Valarcher / Biosphoto
© Robert Valarcher / Biosphoto
Alaska Willow Ptarmigan (Lagopus lagopus alascensis) on snow in spring, Parc national Denali, Alaska, USA
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Start of moult from winter to summer plumage. Rock Ptarmigan, endemic subspecies Svalbard Rock Ptarmigan (Lagopus muta hyperborea),
© Martin Zwick / Biosphoto
© Martin Zwick / Biosphoto
Start of moult from winter to summer plumage. Rock Ptarmigan, endemic subspecies Svalbard Rock Ptarmigan (Lagopus muta hyperborea), during winter in the tundra of Svalbard near Tempelfjorden. Arctic Region, Europe, Scandinavia, Norway, Svalbard
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Ruddy Turnstone (Arenaria interpres) nuptial moulting on the rocks at high tide ready for the upward migration, Finistère, France
© Jean Mayet / Biosphoto
© Jean Mayet / Biosphoto
Ruddy Turnstone (Arenaria interpres) nuptial moulting on the rocks at high tide ready for the upward migration, Finistère, France
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Common Greenshank (Tringa nebularia) group in breeding plumage, at rest on an islet at high tide, Finistère, France
© Jean Mayet / Biosphoto
© Jean Mayet / Biosphoto
Common Greenshank (Tringa nebularia) group in breeding plumage, at rest on an islet at high tide, Finistère, France
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Common Greenshank (Tringa nebularia) in breeding plumage, at rest, wintering in a lagoon, Finistère, France
© Jean Mayet / Biosphoto
© Jean Mayet / Biosphoto
Common Greenshank (Tringa nebularia) in breeding plumage, at rest, wintering in a lagoon, Finistère, France
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Common Greenshank (Tringa nebularia) in breeding plumage, wintering in a lagoon, Finistère, France
© Jean Mayet / Biosphoto
© Jean Mayet / Biosphoto
Common Greenshank (Tringa nebularia) in breeding plumage, wintering in a lagoon, Finistère, France
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Mountain Hare (Lepus timidus) in autumn coat, just before winter, Vaud Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Mountain Hare (Lepus timidus) in autumn coat, just before winter, Vaud Alps, Switzerland.
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Mountain Hare (Lepus timidus) in autumn coat, just before winter, Vaud Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Mountain Hare (Lepus timidus) in autumn coat, just before winter, Vaud Alps, Switzerland.
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Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
© Martin Zwick / Biosphoto
© Martin Zwick / Biosphoto
Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
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Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of
© Martin Zwick / Biosphoto
© Martin Zwick / Biosphoto
Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
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Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
© Martin Zwick / Biosphoto
© Martin Zwick / Biosphoto
Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
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Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
© Martin Zwick / Biosphoto
© Martin Zwick / Biosphoto
Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
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Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
© Martin Zwick / Biosphoto
© Martin Zwick / Biosphoto
Rock Ptarmigan (Lagopus muta) in autumnal Tundra in the north west of Greenland. America, North America, Greenland, Denmark, August
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Tufted duck (Aythya fuligula) on the water in eclipse plumage
© Jean-François Noblet / Biosphoto
© Jean-François Noblet / Biosphoto
Tufted duck (Aythya fuligula) on the water in eclipse plumage
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Ruddy Turnstone (Arenaria interpres) Group of individuals in the early stages of moulting to breeding plumage on a breakwater used as a resting place
© Dominique Halleux / Biosphoto
© Dominique Halleux / Biosphoto
Ruddy Turnstone (Arenaria interpres) Group of individuals in the early stages of moulting to breeding plumage on a breakwater used as a resting place at high tide, Côtes-d'Armor, Bretagne, France
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Male deer (Capreolus capreolus) shedding its winter coat Vosges du Nord Regional Nature Park, France
© Michel Rauch / Biosphoto
© Michel Rauch / Biosphoto
Male deer (Capreolus capreolus) shedding its winter coat Vosges du Nord Regional Nature Park, France
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Great northern diver (Gavia immer) wintering juvenile at the seaside eating a crab on the water, Finistère, France
© Jean Mayet / Biosphoto
© Jean Mayet / Biosphoto
Great northern diver (Gavia immer) wintering juvenile at the seaside eating a crab on the water, Finistère, France
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Great northern diver (Gavia immer) wintering juvenile on the seashore snorting, Finistère, France
© Jean Mayet / Biosphoto
© Jean Mayet / Biosphoto
Great northern diver (Gavia immer) wintering juvenile on the seashore snorting, Finistère, France
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Ermine (Mustela erminea) in winter coat in a meadow in Haut-Doubs, Jura, France
© Dominique Delfino / Biosphoto
© Dominique Delfino / Biosphoto
Ermine (Mustela erminea) in winter coat in a meadow in Haut-Doubs, Jura, France
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Ermine (Mustela erminea) in winter coat in a meadow in Haut-Doubs, Jura, France
© Dominique Delfino / Biosphoto
© Dominique Delfino / Biosphoto
Ermine (Mustela erminea) in winter coat in a meadow in Haut-Doubs, Jura, France
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Muntjack deer (Muntiacus reevesi) walking amongst bluebell, England
© Frédéric Desmette / Biosphoto
© Frédéric Desmette / Biosphoto
Muntjack deer (Muntiacus reevesi) walking amongst bluebell, England
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Alpine Ibex (Capra ibex), female and her young, Valais, Switzerland
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Alpine Ibex (Capra ibex), female and her young, Valais, Switzerland
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Ruddy Turnstone (Arenaria interpres) adult in inter-bridal plumage on a rock near the sea in the Salvation Islands, French Guiana
© Raphaël Sané / Biosphoto
© Raphaël Sané / Biosphoto
Ruddy Turnstone (Arenaria interpres) adult in inter-bridal plumage on a rock near the sea in the Salvation Islands, French Guiana
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Curlew Sandpiper (Calidris ferruginea), side view of an adult moulting to breeding plumage, Campania, Italy
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Curlew Sandpiper (Calidris ferruginea), side view of an adult moulting to breeding plumage, Campania, Italy
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Curlew Sandpiper (Calidris ferruginea), side view of an adult moulting to breeding plumage, Campania, Italy
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Curlew Sandpiper (Calidris ferruginea), side view of an adult moulting to breeding plumage, Campania, Italy
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Curlew Sandpiper (Calidris ferruginea), side view of two adults standing in the water, Campania, Italy
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Curlew Sandpiper (Calidris ferruginea), side view of two adults standing in the water, Campania, Italy
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A Mountain Hare (Lepus timidus) stretches in the Peak District National Park, UK.
© Tesni Ward / Biosphoto
© Tesni Ward / Biosphoto
A Mountain Hare (Lepus timidus) stretches in the Peak District National Park, UK.
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Green-crowned Brilliant (Heliodoxa jacula), young male in transition plumage to adult, showing tongue, Chiriqui Highlands, Panama
© Ignacio Yufera / Biosphoto
© Ignacio Yufera / Biosphoto
Green-crowned Brilliant (Heliodoxa jacula), young male in transition plumage to adult, showing tongue, Chiriqui Highlands, Panama
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Summer Tanager (Piranga rubra), immature male moulting to adult plumage, Ecuador
© Ignacio Yufera / Biosphoto
© Ignacio Yufera / Biosphoto
Summer Tanager (Piranga rubra), immature male moulting to adult plumage, Ecuador
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Summer Tanager (Piranga rubra), immature male moulting to adult plumage, feeding on moth, Ecuador
© Ignacio Yufera / Biosphoto
© Ignacio Yufera / Biosphoto
Summer Tanager (Piranga rubra), immature male moulting to adult plumage, feeding on moth, Ecuador
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Black Guillemot (Cepphus grylle) on the water in internuptial plumage in the Shetland Islands
© Marc Tisseau / Biosphoto
© Marc Tisseau / Biosphoto
Black Guillemot (Cepphus grylle) on the water in internuptial plumage in the Shetland Islands
© Frédéric Desmette / Biosphoto
Mountain hare (Lepus timidus) sitting on snow, Scotland