A pair of Humpback Whale tails as they dive beneath the surface, Lynn Canal, Inside Passage, Southeast Alaska PacificStock
Polar bear (ursus maritimus) along the Hudson Bay coastline waiting for the bay to freeze over; Churchill, Manitoba, Canada PacificStock
Polar bears (ursus maritimus) sparring in the snow during winter near Churchill; Manitoba, Canada PacificStock
A brown bear (ursus arctos) lays on the sand, Katmai National Park; Alaska, United States of America PacificStock