Why are thousands of walruses beaching themselves in Alaska?
 On September 17, Arctic sea ice reached its minimum extent for 2014, which according to federal data is the sixth-lowest coverage since the satellite record began in 1979.
"The massive concentration of walruses onshore—when they should be scattered broadly in ice-covered waters—is just one example of the impacts of climate change on the distribution of marine species in the Arctic," Margaret Williams, the managing director of WWF's Arctic program, said in a statement.
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