2018 pictures found
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Male ruffed grouse (Bonasa umbellus) drumming on a birch trunk to assert its territory. Territorial behaviour in spring and autumn. La Mauricie
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Male ruffed grouse (Bonasa umbellus) drumming on a birch trunk to assert its territory. Territorial behaviour in spring and autumn. La Mauricie National Park. Province of Quebec. Canada
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Male ruffed grouse (bonasa umbellus) on a paper birch (Betula papyrifera) feeding on buds, La Mauricie National Park, Province of Quebec, Canada
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Male ruffed grouse (bonasa umbellus) on a paper birch (Betula papyrifera) feeding on buds, La Mauricie National Park, Province of Quebec, Canada
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Ruffed Grouse (Bonasa umbellus) male standing on a moss-covered rock and observing. Territorial posture, La Mauricie National Park, Province of
© Philippe Henry / Biosphoto
© Philippe Henry / Biosphoto
Ruffed Grouse (Bonasa umbellus) male standing on a moss-covered rock and observing. Territorial posture, La Mauricie National Park, Province of Quebec, Canada
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Ruffed Grouse (Bonasa umbellus) on snow, Saguenay lac St Jean region, Province of Quebec, Canada
© Fabrice Simon / Biosphoto
© Fabrice Simon / Biosphoto
Ruffed Grouse (Bonasa umbellus) on snow, Saguenay lac St Jean region, Province of Quebec, Canada
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Western Capercaillie (Tetrao urogallus) male displaying, Crazy Rooster, French Jura, France
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Western Capercaillie (Tetrao urogallus) male displaying, Crazy Rooster, French Jura, France
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Black grouse (Lyrurus tetrix) males displaying on snow in the Swiss pre-Alps.
© Olivier Born / Biosphoto
© Olivier Born / Biosphoto
Black grouse (Lyrurus tetrix) males displaying on snow in the Swiss pre-Alps.
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Western Capercaillie (Tetrao urogallus) fighting, Bayerischerwald National Park, Germany - Composite image
© Michel Rauch / Biosphoto
© Michel Rauch / Biosphoto
Western Capercaillie (Tetrao urogallus) fighting, Bayerischerwald National Park, Germany - Composite image
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A Blackcock (Lyrurus tetrix) displays in the early morning light during the lek in Norway.
© Tesni Ward / Biosphoto
© Tesni Ward / Biosphoto
A Blackcock (Lyrurus tetrix) displays in the early morning light during the lek in Norway.
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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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Hazel grouse (Tetrastes bonasia rhenana) male in flight in sunbeam , Vosges, France
© Bruno Mathieu / Biosphoto
© Bruno Mathieu / Biosphoto
Hazel grouse (Tetrastes bonasia rhenana) male in flight in sunbeam , Vosges, France
© Markus Varesvuo / Biosphoto
Black Grouse (Lyrurus tetrix) Utajärvi Finland
© Markus Varesvuo / Biosphoto
Black Grouse (Lyrurus tetrix) Kuusamo Finland
© Markus Varesvuo / Biosphoto
Black Grouse (Lyrurus tetrix) Kuusamo Finland
© Markus Varesvuo / Biosphoto
Black Grouse (Lyrurus tetrix) Kuusamo Finland
© Olivier Born / Biosphoto
Rock Ptarmigan in the snow - Switzerland Alps
© Olivier Born / Biosphoto
Black grouse walking on snow - Swiss Alps
© Olivier Born / Biosphoto
Black grouse feeding on a Fir tree in winter - Switzerland
© Olivier Born / Biosphoto
Black grouse feeding on a Fir tree in winter - Switzerland
© 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
© Markus Varesvuo / Biosphoto
Black Grouse female and a chick at nest - Finland
© Markus Varesvuo / Biosphoto
Female Black Grouse on snowy branch - Lapland Finland
© Markus Varesvuo / Biosphoto
Black Grouses mating in snow - Finland
© Markus Varesvuo / Biosphoto
Black Grouse fighting in the snow - Finland
© Olivier Born / Biosphoto
Rock Ptarmigan - Switzerland
© Olivier Born / Biosphoto
Rock Ptarmigan - Switzerland
© Olivier Born / Biosphoto
Female ptarmigan in the snow - Alps Valais Switzerland
© Markus Varesvuo / Biosphoto
Black grouses male fighting in snow Kuusamo Finland
© Olivier Born / Biosphoto
Male black grouse in the snow in Switzerland courtship
© Olivier Born / Biosphoto
Male black grouse in the snow in courtship Switzerland
© Markus Varesvuo / Biosphoto
Portrait of a Black Grouse Askola Finland
© Olivier Born / Biosphoto
Male black grouse in snowy lek mating area Swiss Alps
© Olivier Born / Biosphoto
Fight og Male black grouse parade in snow Swiss Alps
© Markus Varesvuo / Biosphoto
Hazel grouse on a branch with snow Kuusamo
© 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.