A curious young Polar bear (Ursus maritimus) approaches over newly forming pack ice during autumn freeze up in the Beaufort Sea, off the Arctic coast, Alaska.
A curious young Polar bear (Ursus maritimus) approaches over newly forming pack ice during autumn freeze up in the Beaufort Sea, off the Arctic coast, Alaska. Photographer Steven Kazlowski /naturepl.com
A curious young Polar bear (Ursus maritimus) approaches over newly forming pack ice during autumn freeze up in the Beaufort Sea, off the Arctic coast, Alaska. Photographer Steven Kazlowski /naturepl.com

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January 11, 2017 6:00 AM

What to Watch on Wednesday: ‘Nature’ looks at animals surviving winter

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