Grazing Bighorn

A Bighorn Sheep (Ovis canadensis) grazes during a show storm. Yellowstone National Park, Wyoming, 2013.

Bison in Heavy Snow

An American Bison (Bison bison) forages in heavy snow. Yellowstone National Park, Wyoming, 2013.

Migration

A herd of American Bison (Bison Bison) searches for forage. Yellowstone National Park, Wyoming, 2013.

Storm Front

A storm front creeps over a snow-covered ridge. Rocky Mountain National Park, Colorado, 2011.

Cottonwood Tree in Winter

Cottonwood tree on cold winter day. Rocky Mountain Arsenal NWR, Colorado, 2007.

Red maple leaf on snow

Denver, Colorado. 2006.

Patterns in Windblown Snow

Patterns in Windblown Snow


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