Lack of Ice Leads Walruses Ashore

Tens of thousands of walruses in northwest Alaska have moved ashore because the sea ice they typically rest on between dives has melted. This sort of mass movement to shore is unusual for the animals in the US but has been seen at least twice before, in 2007 and 2009, when Arctic sea ice was at or near record low levels. Experts worry that the walruses, which are easily spooked and are currently packed tightly together in a relatively small area, might stampede and crush one another.