But wild polar bear fur can still change color to yellow, thanks to oils from their prey that stain the fur. Perhaps the most surprising thing about polar bears? Underneath all that hair ...

She also knew that polar bears jump into frigid water when they hunt, coming back onto land to eat their prey. Most mammalian hair can freeze when it gets wet in cold temperatures — think human ...

and whales that are their prey and where they will slowly starve to death. After finding nothing of value in the fuel drums, the polar bear waddled into the water and swam away. Paul worried that ...

A polar bear! Its thick fur helps it to hide and keep warm in the freezing cold. Plus an Arctic fox. It can hear its prey, deep under the snow. And a bird! The snowy owl. They nest on the ground ...

But wild polar bear fur can still change color to yellow, thanks to oils from their prey that stain the fur. Perhaps the most surprising thing about polar bears? Underneath all that hair ...

This forces bears to spend more time ashore, away from their natural prey. To fatten up, the report said polar bears are now gathering in large numbers around open dumps in places in the Arctic ...