Muskox posing in fall tundra near the Dalton Highway in Alaska.
Dall sheep ram posing on a boulder against blue sky on Primrose Ridge in Denali National Park Alaska.
Caribou with antlers covered in velvet posing in Denali National Park Alaska.
American Bison posing in early morning light in Yellowstone National Park Wyoming.
Buck whitetail deer posing in fall color in Cades Cove in Great Smoky Mountains National Park Tennessee.
Bull elk with frost on its back posing at sunrise in Gibbon Meadows in Yellowstone National Park Wyoming.
Blue phase Arctic Fox kit posing in a bed of lupines on St. George part of the Pribilof Islands Alaska.
Bull moose in fall color of tundra in Denali National Park Alaska.
Dall sheep ram posing on a boulder against blue sky on Primrose Ridge in Denali National Park Alaska sky on Primrose Ridge in Denali National Park Alaska.
Atlantic Puffin photographed at eye level preched on the edge of a cliff in Iceland peeking over top of clump of golden grass.
This Polar Bear Mother with her three-month-old cub exiting their den in Wapusk National Park south of Churchill Manitoba Canada near the Hudson Bay.
Three-month-old polar bear cub is posing at the opening to its den in Wapusk National Park south of Churchill Manitoba Canada near the Hudson Bay.