Friday, 17 September 2010 05:07
Tens of thousands of walrus are crowding onto a sandy stretch of beach on Alaska’s northwest coast. The animals were forced to swim to shore after the sea ice they live on disappeared from the Chukchi Sea. It’s a phenomenon that was unheard of five years ago. And scientists are trying to get a handle on what the dramatic change in behavior could mean for the species long term.



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