Cranes silhouetted by backlit ground fog, Monte Vista National Wildlife Refuge, Monte Vista, Colorado
A flock of snow geese flys out of the pre-dawn color. Bosque del Apache National Wildlife Refuge, New Mexico.
A flock of ducks takes flight into backlit morning fog,
Bosque del Apache NWR, San Antonio, New Mexico, 2011.
A storm front creeps over a snow-covered ridge. Rocky Mountain National Park, Colorado, 2011.
Flock of snow geese blasks off before dawn. Bosque del Apache NWR, 2016.
Frost-covered cottonwood and thick winter ground fog on the Colorado plains. Adams County, Colorado, 2016.
Valley of Fire State Park, Nevada, 2013.
Coyotes fight for dominance next to a winter-kill bison. Yellowstone National Park, Wyoming, 2013.
A coyote steps carefully in deep snow. Yellowstone National Park, Wyoming, 2013.
A Bighorn Sheep (Ovis canadensis) grazes during a show storm. Yellowstone National Park, Wyoming, 2013.