Moose browsing on willow shrubs near Fairbanks, Alaska.
Dall sheep along Dalton Highway in Atigun Pass.
Male and female king eiders on tundra pond.
Adult arctic fox with tracking collar, sporting summer coat.
Male rock ptarmigan in winter plumage near Toolik Lake, Alaska.
Male and female king eiders in Prudhoe Bay Oilfield Complex.
Caribou during spring melt near Slope Mountain.
Adult arctic fox with winter coat on Arctic Coastal Plain.
Grizzly bear in Brooks Range, Alaska.