Polar bear cub poking its head out of the den in Wapusk National Park near Churchill, Canada.
Jackel stopping to check out our safari vehicle in Ngorongoro Crater Tanzania.
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.
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
