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Polar Bears Sniff Paw Prints to Find Love

8b05c2b3bbb820381b6cc42e5e40bbcdPolar bears live largely solitary lives camouflaged on the snowy arctic tundra, one of the coldest places on Earth. This barren environment lacks the trees and rocks that solitary bears in more temperate environments typically use to mark their territory with urine and body scents. So how do polar bears leave messages for other bears that may be many miles away?

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