National Geographic India - Polar bear moms may nurse their cubs for as long as three years. Photograph by Norbert Rosing | Facebook
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Polar bear became friend of sled dogs. - Did you know? | Polar bear, Animal pictures, Unusual animal friends
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A three-month-old polar bear cub finds comfort in its mother's warmth." Photographer: Norbert Rosing : r/pics
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Polar Bear Flip-Flop: People Hated, Then Loved These Photos. What Changed? : Krulwich Wonders... : NPR
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