Grizzly bear posing before entering the forest in Lake Clark National Park in Alaska.
Grizzly bear fishing in the Fishing Branch River at the foot of Bear Cave Mountain in the Yukon Territory Canada.
Muskox posing in fall tundra near the Dalton Highway in Alaska.
Polar bear mother nursing her two three month old cubs in Wapusk National Park south of Churchill near the Hudson Bay.
Mother polar bear nursing her two cubs in Wapusk National Park south of Churchill Manitoba Canada near the Hudson Bay.
Blue phase Arctic Fox kit posing in a bed of lupines on St. George part of the Pribilof Islands Alaska.
Black bear foraging for food in early spring in Cades Cove, Great Smoky Mountains National Park, Tennessee
Three- month-old polar bear cubs keeping close to their mother in Wapusk National Park south of Churchill Manitoba Canada near the Hudson Bay.
