Animal News: Walruses Swarm Beaches as Ice Melts
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© 2010 National Geographic; video courtesy Daniel Zatz & USGS
Walruses Swarm Beaches as Ice Melts
September 27, 2010—Thousands of walruses gathered together in a dangerous "haul out" on the coast of Alaska earlier this month. Scientists say the walruses came ashore in such large numbers because their normal habitats, Arctic ice floes, are melting.