Bison walking in the early morning through the snow, Elk Island National Park; Alberta, Canada PacificStock
Southern Elephant Seal (Mirounga leonina) looking up with mouth open, Neko Harbour, Antarctic Peninsula; Antarctica PacificStock
A bird flies above trees under a cloudy sky and fog on the coast of Resurrection Bay, South-central Alaska; Seward, Alaska, United States of America PacificStock
Polar bear (ursus maritimus) along the Hudson Bay coastline waiting for the bay to freeze over; Churchill, Manitoba, Canada PacificStock
Chinstrap Penguin (Pygoscelis antarctica); Half Moon Island, South Shetland Islands, Antarctica PacificStock
Chinstrap Penguin (Pygoscelis antarctica); Half Moon Island, South Shetland Islands, Antarctica PacificStock
A dropped Iditarod sled dog howls at the Finger Lake checkpoint during the 2013 Iditarod, Southcentral Alaska PacificStock
Grizzly bear (Ursus arctos) fishing for sockeye salmon at Brooks Falls in Katmai National Park & Preserve, Southwest Alaska; Alaska, United States of America PacificStock
Polar bear (ursus maritimus) along the Hudson Bay coastline waiting for the bay to freeze over; Churchill, Manitoba, Canada PacificStock
Large Bighorn Ram (Ovis canadensis) approaches another large Bighorn ram lying in the snow, Shoshone National Forest; Wyoming, United States of America PacificStock
Large Bighorn ram (ovis canadensis) kneeling down into blowing snow, Shoshone National Forest; Wyoming, United States of America PacificStock
CAPTIVE: Female Tundra Wolf in snow, Alaska Wildlife Conservation Center, Southcentral Alaska PacificStock
Adult Brown Bear Fishing For Salmon At Top Of Brooks Falls, Katmai National Park, Southwest Alaska, Summer PacificStock
Close up of a brown bear (ursus arctos) in the snow, captive at the Alaska Wildlife Conservation Center; Portage, Alaska, United States of America PacificStock
CAPTIVE: Female Tundra Wolf in snow, Alaska Wildlife Conservation Center, Southcentral Alaska PacificStock
Chinstrap Penguin (Pygoscelis antarctica) on belly; Half Moon Island, South Shetland Islands, Antarctica PacificStock
Chinstrap Penguin (Pygoscelis antarctica) on belly; Half Moon Island, South Shetland Islands, Antarctica PacificStock
COMPOSITE: Two polar bears touching noses while one is wearing a santa hat, Churchill, Manitoba, Canada PacificStock
An Orca Whale (Killer Whale) (Orcinus orca) surfaces in Lynn Canal, Herbert Glacier, Inside Passage; Alaska, United States of America PacificStock
Colourful Panther Chameleon (Furcifer pardalis) on a white background; St. Albert, Alberta, Canada PacificStock
Chinstrap Penguin (Pygoscelis antarctica) with it's head cocked to the side; Half Moon Island, South Shetland Islands, Antarctica PacificStock
Colourful Panther Chameleon (Furcifer pardalis) on a white background; St. Albert, Alberta, Canada PacificStock
Grizzly Resting Head On Paw While Laying In Snow At The Alaska Wildlife Conservation Center In Alaska During Spring PacificStock