Arctic fox (Vulpes lagopus) staring at the photographer while digging in the snow; Churchill, Manitoba, Canada PacificStock
Polar bear (ursus maritimus) walking through the snow and blizzard near Churchill; Manitoba, Canada PacificStock
A dall sheep (ovis dalli) ram walking along the road on a warm spring day in Denali National Park; Alaska, United States of America PacificStock
Elk (Cervus Canadensis) With Dandelion In It's Mouth In Prince Albert National Park; Saskatchewan, Canada PacificStock
Large male polar bear (ursus maritimus) sitting in the willow bushes near Churchill; Manitoba, Canada PacificStock
Chinstrap Penguin (Pygoscelis antarctica) in a snowfall; Half Moon Island, South Shetland Islands, Antarctica PacificStock
Brown bear (Ursus arctos) cub close-up, standing in grass, Katmai National Park and Preserve, Southwest Alaska, USA PacificStock
Chinstrap Penguin (Pygoscelis antarctica) on belly; Half Moon Island, South Shetland Islands, Antarctica PacificStock
Brown bear (Ursus arctos) yearling cub climbing down from balsam poplar tree (Populus balsamifera) in summer, Katmai National Park and Preserve, Southwest Alaska PacificStock