Nanny mountain goat with her kid pose against the blue sky on top of a boulder on Mount Evans Colorado.
Mother polar bear nursing her two cubs in Wapusk National Park south of Churchill Manitoba Canada near the Hudson Bay.
Polar bear mother nursing her two three month old cubs in Wapusk National Park south of Churchill near the Hudson Bay.
Mother Polar Bear resting with her two three-month-old cubs in Wapusk National Park south of Churchill Manitoba Canada near the Hudson Bay.
Muskox posing in fall tundra near the Dalton Highway in Alaska.
Grizzly bear fishing in the Fishing Branch River at the foot of Bear Cave Mountain in the Yukon Territory Canada.
Motion blur created while wildebeest was running in Serengeti National Park Tanzania.
Grizzly bear posing before entering the forest in Lake Clark National Park in Alaska.
Jackel stopping to check out our safari vehicle in Ngorongoro Crater Tanzania.
Polar bear cub poking its head out of the den in Wapusk National Park near Churchill, Canada.
Grizzly bear clamming in the Cook Inlet in Lake Clark National Park Alaska.
Two sub-adult grizzly bears playing in the waters of Silver Salmon Creek in Lake Clark National Park Alsaka.
Mother Polar Bear with her two cubs in Wapusk National Park south of Churchill Manitoba Canada walking toward Hudson Bay late in the afternoon.
Grizzly bear walking along the shore of the Chilko river, British Columbia, Canada.
Blue phase Arctic Fox kit posing in a bed of lupines on St. George part of the Pribilof Islands Alaska.
Polar Bear Cubs keeping close to their mother in Wapusk National Park south of Churchill Manitoba Canada near the Hudson Bay.
Muskox posing in the fall color of the tundra of Northwest Territories Canada.
Cow moose posing in a field of fireweed near Kenai Alaska.
This three-month-old polar bear cub is playing outside the den in Wapusk National Pakr south of Churchill Manitoba Canada near the Hudson Bay.