Polar bear protecting its young Mom protecting its cubs from an interested male, Churchill, Canada

Mom & 2 cubs, Churchill, Canada

Mom & cub polar bear Mom and cub resting after nursing, Churchill, Canada

Grizzly Bear with his catch After catching this salmon the Grizzly Bear wondered into the forest to eat it before returning for his next dish. Brooks River, Katmai, Alaska

I see you! Wolf checking me out, near Brooks River, Katmai peninsula, Alaska

Grizzly Bear Fishing Grizzly bear about to catch his dinner. Brooks River, Katmai, Alaska

Its MY fishing spot! Grizzly bears fighting for key fishing positions in the Brooks River, Katmai, Alaska

Waiting & watching Grizzly bear patiently waiting and watching for the salmon. Brooks River, Katmai Peninsula, Alaska

Grizzly Bear claws Close up of the Grizzly bears claws, Katmai Peninsula, Alaska

Mom, HELP! Grizzly bear mom rescuing its cub after a male grizzly bear chased it up a tree, Katmai, Alaska

Collared Anteater Collared Anteater by Rio Negro, Pantanal, Brazil

Weddell Seal, Antarctica Weddell Seal at Cape Royds, Ross Island, Antarctic

Roosevelt Elk at Sol Duc, Olympic National Park, Washington

Black bear in Kings Canyon National Park, California

Polar Bear (ursus maritimus) mother & cubs with their kill on the pack ice, Svalbard, Norway

Seal Hunt, Spitsbergen, Norway

Seal Hunt, Spitsbergen, Norway Polar Bear (ursus maritimus) with a baby seal she just caught out of its den

Polar Bear (ursus maritimus) walking on the pack ice, Svalbard, Norway

Ringed Seal (phoca hispida) on the pack ice near Wilhelm Is, Svalbard

Polar Bear on the pack ice

Polar Bear on the pack ice Polar Bear (Ursus maritimus) on the pack ice in Bjornsundet, Spitsbergen

Polar Bear (Ursus maritimus) checking out a seal on the ice

Polar Bear (Ursus maritimus) checking out a seal on the ice Polar Bear, Hornsund, Svalbard, Norway

Polar Bear (Ursus maritimus), Hornsund, Svalbard, Norway

Walruses (odobenus rosmarus) at Poolepynten, Prins Karls Forland, Svalbard

Bull Spitsbergen reindeer (rangifer tarandus platyrhynchus) grazing in Longyearbyen, Spitsbergen

Bearded Seal (erignathus barbatus), St Jons Fjord, Spitsbergen, Norway

Humpback whale (megaptera novaeangliae) diving, Smeerenburghfjorden, Spitsbergen

Polar Bear (ursus maritimus) sitting expectantly, Sorporten, Svalbard, Norway

Polar Bear (ursus maritimus) mother & cub sleeping on the pack ice, Svalbard, Norway

Polar Bear cub hiding behind its mother

Polar Bear cub hiding behind its mother Polar Bear (ursus maritimus) mother & cub on the pack ice, Svalbard, Norway

Mother polar bear (ursus maritimus) drinking with her cub on the pack ice, Svalbard, Norway

Polar Bear (ursus maritimus) mother nursing her cub on the pack ice, Svalbard, Norway

Polar Bear cub waving

Polar Bear cub waving Polar Bear (ursus maritimus), cub waving, Olga Strait, Svalbard, Norway

Polar Bear (ursus maritimus), cub on the pack ice, Olga Strait, Svalbard, Norway

Polar Bear (ursus maritimus), cub looking at its reflection, Olga Strait, Svalbard, Norway

I pledge....

I pledge.... Polar Bear (ursus maritimus) mother & cub on the pack ice, Svalbard, Norway

Walrus singing

Walrus singing Walruses (odobenus rosmarus) at Torellneset, Svalbard

Walrus (odobenus rosmarus) at Torellneset, Svalbard

Walrus (odobenus rosmarus) at Torellneset, Svalbard

Polar Bear (ursus maritimus), on the pack ice, Olga Strait, Svalbard, Norway

Polar Bear (ursus maritimus), on the pack ice, Olga Strait, Svalbard, Norway

Leaping Polar Bear cub

Leaping Polar Bear cub Polar Bear (ursus maritimus), cub jumping across the pack ice, Olga Strait, Svalbard, Norway

Polar Bear family

Polar Bear family Polar Bear (ursus maritimus) mother and her cubs walking on the pack ice, Svalbard, Norway

I made it across the gap!

I made it across the gap! Female Polar Bear (ursus maritimus), on the pack ice, Olga Strait, Svalbard, Norway

Female Polar Bear (ursus maritimus), in flight, Olga Strait, Svalbard, Norway

Polar Bear cubs (ursus maritimus) jumping across water in the pack ice, Svalbard, Norway

Polar Bear cubs (ursus maritimus) cubs on the pack ice, Svalbard, Norway

Polar Bear cubs (ursus maritimus) waiting patiently while the mother hunts, Olga Strait, Svalbard

Seal Hunt, Spitsbergen, Norway

Seal Hunt, Spitsbergen, Norway Female Polar Bear (ursus maritimus) breaking through the ice to a seal den, Olga Strait, Svalbard

Power of the Polar Bear leap

Power of the Polar Bear leap Polar Bear (ursus maritimus), leaping across the pack ice, Olga Strait, Svalbard, Norway