640 pictures found
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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.
© Olivier Born / Biosphoto
Rock Ptarmigan in the snow - Switzerland Alps
© Markus Varesvuo / Biosphoto
Willow Ptarmigans on a snowy branch - Lapland Finland
© Markus Varesvuo / Biosphoto
Willow Ptarmigan on a snowy branch - Lapland Finland
© Markus Varesvuo / Biosphoto
Portrait of Willow Ptarmigan in snow - Lapland Finland
© Markus Varesvuo / Biosphoto
Willow Ptarmigan in snow - Lapland Finland
© Markus Varesvuo / Biosphoto
Willow Ptarmigan in snow - Lapland Finland
© Markus Varesvuo / Biosphoto
Rock Ptarmigan flying away on snow - Lapland Finland
© Olivier Born / Biosphoto
Rock Ptarmigan - Switzerland
© Olivier Born / Biosphoto
Rock Ptarmigan - Switzerland
© Olivier Born / Biosphoto
Female ptarmigan in the snow - Alps Valais Switzerland
© Olivier Born / Biosphoto
Ptarmigan moulting on rock - Swiss Alps Switzerland
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Rock ptarmigan (Lagopus muta) in winter plumage on the green tundra of King's Bay against a mountain and glacier backdrop, Spitsbergen island,
© Raphaël Sané / Biosphoto
© Raphaël Sané / Biosphoto
Rock ptarmigan (Lagopus muta) in winter plumage on the green tundra of King's Bay against a mountain and glacier backdrop, Spitsbergen island, Svalbard archipelago
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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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Rock Ptarmigan (Lagopus muta) adult male in winter white plumage on rocks in Bellsund, Spitsbergen, Svalbard archipelago.
© Raphaël Sané / Biosphoto
© Raphaël Sané / Biosphoto
Rock Ptarmigan (Lagopus muta) adult male in winter white plumage on rocks in Bellsund, Spitsbergen, Svalbard archipelago.
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Rock Ptarmigan (Lagopus muta) female on snow, in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus muta) female on snow, in the Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus muta) female on snow, in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus muta) female on snow, in the Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus muta) female on rock, in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus muta) female on rock, in the Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus muta) female on snow, in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus muta) female on snow, in the Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) male in the snow, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) male in the snow, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) male in the snow, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) male in the snow, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) female in snow, in the Vaud Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) female in snow, in the Vaud Alps, Switzerland.
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Rock Ptarmigan (Lagopus muta) on a rock in the hills of Cape Swainson, East Coast of Greenland
© Pierre Vernay / Biosphoto
© Pierre Vernay / Biosphoto
Rock Ptarmigan (Lagopus muta) on a rock in the hills of Cape Swainson, East Coast of Greenland
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Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
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Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
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Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
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Animal tracks in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Animal tracks in the snow, James Bay, James Bay, Province of Quebec, Canada
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Animal tracks in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Animal tracks in the snow, James Bay, James Bay, Province of Quebec, Canada
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Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
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Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
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Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
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Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Willow ptarrmigan (Lagopus lagopus) in winter plumage in the snow, James Bay, James Bay, Province of Quebec, Canada
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Rock Ptarmigan (Lagopus muta) female in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus muta) female in the Valais Alps, Switzerland.
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Golden Eagle (Aquilia chrysaetos) hunting a male Rock Ptarmigan (Lagopus mutus) in the Valais Alps, Switzerland
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Golden Eagle (Aquilia chrysaetos) hunting a male Rock Ptarmigan (Lagopus mutus) in the Valais Alps, Switzerland
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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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Rock Ptarmigan, endemic subspecies Svalbard Rock Ptarmigan (Lagopus muta hyperborea), during winter in the tundra of Svalbard in
© Martin Zwick / Biosphoto
© Martin Zwick / Biosphoto
Rock Ptarmigan, endemic subspecies Svalbard Rock Ptarmigan (Lagopus muta hyperborea), during winter in the tundra of Svalbard in Van Mijenfjorden National Park. Arctic Region, Europe, Scandinavia, Norway, Svalbard
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Red grouse (Lagopus lagopus) on the edge of the cliff, Slovakia
© Ervin Horesnyík / Biosphoto
© Ervin Horesnyík / Biosphoto
Red grouse (Lagopus lagopus) on the edge of the cliff, Slovakia
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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