• Photo of golden aspen with Hallet Peak in the background. NPS Photo by J. Frank

    Rocky Mountain

    National Park Colorado

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  • Impacts from September 2013 Flood - Old Fall River Road, Alluvial Fan and Trails

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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.

Did You Know?

a photo of a butterfly researcher looking through binoculars

The Nerd Herd (aka research volunteers) gave more than 4,500 hours to the park in 2009. These citizen scientists help monitor the health of our resources including bears, elk, plants, hummingbirds, glaciers, and butterflies. More...