介绍:
The disappearance of the sea ice off the north coast of Alaska was reported at the end of last year by the U.S. Minerals Management Service, which matched it up with a sharp rise in sightings of swimming and drowned bears.
They’re drowning because they’re apparently trying to swim to shore, as much as 80 miles, in a desperate attempt to find the food that was once readily available on the ice.
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