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
Bison walking in the early morning through the snow, Elk Island National Park; Alberta, Canada PacificStock
Polar bear (ursus maritimus) along the Hudson Bay coastline waiting for the bay to freeze over; Churchill, Manitoba, Canada PacificStock
Southern Elephant Seal (Mirounga leonina) looking up with mouth open, Neko Harbour, Antarctic Peninsula; Antarctica PacificStock
Polar bear (ursus maritimus) along the Hudson Bay coastline waiting for the bay to freeze over; 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
A dropped Iditarod sled dog howls at the Finger Lake checkpoint during the 2013 Iditarod, Southcentral Alaska PacificStock
An elk (Cervus canadensis) standing in a field of snow with frozen trees in the background 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
Chinstrap Penguin (Pygoscelis antarctica) on belly; Half Moon Island, South Shetland Islands, Antarctica PacificStock
Chinstrap Penguin (Pygoscelis antarctica); Half Moon Island, South Shetland Islands, Antarctica 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
Chinstrap Penguin (Pygoscelis antarctica) in a snowfall; Half Moon Island, South Shetland Islands, Antarctica PacificStock
Chinstrap Penguin (Pygoscelis antarctica) in a snowfall; Half Moon Island, South Shetland Islands, Antarctica 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
Chinstrap Penguin (Pygoscelis antarctica) with it's head cocked to the side; Half Moon Island, South Shetland Islands, Antarctica PacificStock
Large Bighorn ram (ovis canadensis) kneeling down into blowing snow, Shoshone National Forest; Wyoming, United States of America PacificStock
COMPOSITE: Two polar bears touching noses while one is wearing a santa hat, Churchill, Manitoba, Canada PacificStock
Male Narragansett Turkey (dark) and male Royal Palm Turkey (light), gobbling and displaying free ranging in snow, both rare legacy breeds; Madison, Connecticut, United States of America PacificStock
Noah Burmeister runs up hill after leaving Puntilla Lake and the Rainy Pass Checkpoint during Iditarod 2016, Alaska. PacificStock
Adult Brown Bear Fishing For Salmon At Top Of Brooks Falls, Katmai National Park, Southwest Alaska, Summer PacificStock
Alaska Peninsula Brown Bear (ursus arctos horribilis) and it's cub walking to the edge of a lake on a foggy morning, Lake Clark National Park; Alaska, United States of America PacificStock
Chinstrap Penguin (Pygoscelis antarctica); Half Moon Island, South Shetland Islands, Antarctica PacificStock
Large Bighorn Ram (Ovis canadensis) approaches another large Bighorn ram lying in the snow, Shoshone National Forest; Wyoming, United States of America PacificStock