Ingo Arndt / Polar Bear (Ursus maritimus) on icefield with moon in late winter, Svalbard, Spitsbergen, Norway, April
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Wim van den Heever / White tailed sea eagle (Haliaeetus albicilla) feeding on fish on pack ice, Hokkaido, Japan, February.
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Wim van den Heever / White tailed sea eagle (Haliaeetus albicilla) in flight landing, Hokkaido, Japan, February.
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Wim van den Heever / Steller's sea-eagle (Haliaeetus pelagicus) standing on pack ice, Hokkaido, Japan, February.
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Wim van den Heever / Steller's sea-eagle (Haliaeetus pelagicus) landing on pack ice, Hokkaido, Japan, February.
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Suzi Eszterhas / Harbor Seal (Phoca vitulina) group on ice floes, Prince William Sound, Alaska
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Ole Jorgen Liodden / Polar bear (Ursus maritimus) standing on ice floe, looking at camera. Svalbard, Norway. August.
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Ole Jorgen Liodden / Polar bear (Ursus maritimus) walking across vast ice floe, Spitsbergen, Svalbard, July 2013.
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Steven Kazlowski / Polar bear (Ursus maritimus) curious young bear approaching camera, over newly forming pack ice during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska
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Steven Kazlowski / Polar bear (Ursus maritimus) juvenile crossing over newly forming pack ice, during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska
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Ben Cranke / Steller's Sea Eagle (Haliaeetus pelagicus) stood on ice floe, Hokkaido, Japan. February.
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Steven Kazlowski / Polar bear (Ursus maritimus) curious young boar on the newly frozen pack ice reaches for remote camera with paw, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Al...
