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Global Warming: 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.

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