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Ptarmigan eggs in nest
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Ptarmigan female incubating eggs
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Ptarmigan chick hiding in grass
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Ptarmigan chick feeding
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Ptarmigan female with chicks
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Ptarmigan female with young
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Juvenile ptarmigan
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Female ptarmigan on nest in summer plumage
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Male ptarmigan in summer plumage, camouflaged against rock
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Male ptarmigan in summer plumage
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Male ptarmigan camouflaged against background
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Male ptarmigan
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Male ptarmigan in partial moult
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Ptarmigan pair
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Ptarmigans camouflaged against rock
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Ptarmigan male calling
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Female ptarmigan
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Female ptarmigan moulting from winter to summer plumage
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Ptarmigan
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Male ptarmigan in snow
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Ptarmigan in snow
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Rear view of a female ptarmigan in the snow
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Ptarmigan pair in snow
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Male ptarmigan calling
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Ptarmigan camouflaged in snow
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Ptarmigan taking off from rock
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Ptarmigan male calling in flight
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Ptarmigan in winter plumage sleeping
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Ptarmigan female camouflaged on rock
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Ptarmigans feeding on snowy ground
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Ptarmigan male displaying to female
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Ptarmigans mating
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Ptarmigan ssp. rupestris brood
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Adult male ptarmigan ssp. rupestris in partial moult on rocky outcrop
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Female ptarmigan ssp. welchi with summer plumage that is starting to moult
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Two ptarmigans ssp. welchi moulting from summer to winter plumage
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Male ptarmigan ssp. welchi with winter plumage
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Ptarmigan ssp. welchi with winter plumage and outspread wing
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Ptarmigan droppings
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Ptarmigan tracks in snow