The Conversation

Polar bears unlikely to compensate for ice loss in summer

Author: The Conversation USA

In some regions of the Arctic, polar bears will spend their entire lives on sea ice or the ocean. Christopher Michel/flickr, CC BY-SA

Polar bears reign over the sea ice surface covering the top of our planet. They evolved from brown bears (ie, grizzlies) to take advantage of a novel hunting opportunity: capturing the seals that come to the ice...

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