401 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
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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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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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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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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Rock Ptarmigan (Lagopus muta), walking on stones, Trentino-Alto Adige, Italy
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Rock Ptarmigan (Lagopus muta), walking on stones, Trentino-Alto Adige, Italy
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Rock Ptarmigan (Lagopus muta), on stones, Trentino-Alto Adige, Italy
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Rock Ptarmigan (Lagopus muta), on stones, Trentino-Alto Adige, Italy
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Groupe of Rock Ptarmigan (Lagopus muta), male and female in winter livery, in the Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Groupe of Rock Ptarmigan (Lagopus muta), male and female in winter livery, in the Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus muta) adult female ground near a lake, Spitsbergen
© Raphaël Sané / Biosphoto
© Raphaël Sané / Biosphoto
Rock Ptarmigan (Lagopus muta) adult female ground near a lake, Spitsbergen
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Rock Ptarmigan (Lagopus mutus) in summer livery on rock, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) in summer livery on rock, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) female in winter livery in the snow, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) female in winter livery in the snow, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) female in winter livery on rock, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) female in winter livery on rock, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) male in intermediate livery in the snow, Friborg Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) male in intermediate livery in the snow, Friborg Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) male in winter livery on dryed grass, Friborg Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) male in winter livery on dryed grass, Friborg Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) female in winter livery in the snow, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) female in winter livery in the snow, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) female in winter livery on rock,
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) female in winter livery on rock, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) female in winter livery on rock, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) female in winter livery on rock, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) female in winter livery in the snow, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) female in winter livery in the snow, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) female in winter livery in the snow, Valais Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) female in winter livery in the snow, Valais Alps, Switzerland.
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Rock Ptarmigan (Lagopus muta) looking for a companion, Iceland
© Olivier Gutfreund / Biosphoto
© Olivier Gutfreund / Biosphoto
Rock Ptarmigan (Lagopus muta) looking for a companion, Iceland
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) male in spring livery on snowy cliff, Vaud Alps, Switzerland.
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Rock Ptarmigan (Lagopus mutus) male in winter livery looking for food in the snow Vaud Alps, Switzerland.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Rock Ptarmigan (Lagopus mutus) male in winter livery looking for food in the snow Vaud Alps, Switzerland.