Signal: Polar bear swims
polar-bear-swimming

Polar bear swims for 9 days to reach ice

by on 01. Feb, 2011 in Uncategorized

In one of the most dramatic signs ever documented of how shrinking Arctic sea ice impacts polar bears, researchers at the U.S. Geological Survey in Alaska have tracked a female bear that swam nine days across the deep, frigid Beaufort Sea before reaching an ice floe 426 miles offshore. The marathon swim came at a [...]