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Murres for miles

Hundreds of thick-billed murres — medium-sized seabirds that resemble penguins — skitter in every direction along the icy waters of the Bering Sea as the U.S. Coast Guard Cutter Healy approaches. The research team on board is studying fish, seabirds, marine mammals and even humans to learn more about the impacts of climate change on the Arctic ecosystem. The expedition, led by WHOI biologist Carin Ashjian, is being chronicled on the Polar Discovery Web site.
(Photo by Chris Linder, Woods Hole Oceanographic Institution)