Ingo Arndt / Rock ptarmigan (Lagopus muta) on winter snow, Spitsbergen, Svalbard, Norway, April
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Ingo Arndt / Rock ptarmigan (Lagopus muta) on winter snow, Spitsbergen, Svalbard, Norway, April
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Ingo Arndt / Rock ptarmigan (Lagopus muta) on winter snow, Spitsbergen, Svalbard, Norway, April
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Ole Jorgen Liodden / Svalbard ptarmigan (Lagopus muta hyperborea) in winter at Svalbard, Norway April.
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Ole Jorgen Liodden / Svalbard ptarmigan (Lagopus muta hyperborea) in winter at Svalbard, Norway April.
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Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April
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Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April