• Photo of early morning clouds hanging low in the valley with mountains of the Continental Divide stretched out above. NPS Photo/Schonlau

    Rocky Mountain

    National Park Colorado

Ptarmigan Camouflage

a photo of a ptarmigan in summer
A ptarmigan is camouflaged against a summer tundra landscape.
Photo courtesy of Rocky Mountain National Park.
 
a photo of a ptarmigan in winter
A winter ptarmigan is white as the tundra snow it inhabits.
Photo courtesy of Rocky Mountain National Park.

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