Two polar bear cubs playfully wrestle with each other in the snow in Wapusk National Park.
A sequence of images of young polar bear cubs playing on the tundra in Wapusk National Park, Manitoba, Canada while their mother watches intently.
These two grizzly bear cubs-of-the-year are standing on a bear path in Lake Clark National Park in Alaska looking at their mother a few yards away.
Two cubs-of-the-year protected by their mother; one climbing on its mothers back while the other watches in Wapusk National Park near Churchill, Manitoba, Canada.
Mother polar bear with two three-month-old cubs resting in front of an iceberg on Baffin Island, Nunavut, Canada.
Two cubs-of-the-year walking with their mother on the tundra in Wapusk N.P. near Churchill, Manitoba, Canada.
