US government scientists say this massive move to shore by walruses is unusual in the United States. But it has happened at least twice before, in 2007 and 2009. In those years Arctic sea ice also was at or near record low levels.
The walruses "stretch out for one mile [1.6 kilometres] or more. This is just packed shoulder-to-shoulder," US Geological Survey biologist Anthony Fischbach said in a telephone interview from Alaska. Read the full report here.
Source: The Sydney Morning Herald.