WHALE MIGRATION

From: Kim Marshall (kimm@oceanalliance.org)
Date: Wed Feb 12 2003 - 14:10:42 EST

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    Question:
     How do whales know where to migrate?

    Reply:
    Dear LaCovya Wilson,
    Whales migrate primarily to find food. The larger, baleen whales like the
    gray whale, migrate great distances, from warmer waters to cooler, polar
    waters where fish and plankton are most abundant. There is not a lot of
    information on how they know where to migrate to, but it is believed that
    environmental factors like the sun's orientation, topography of the ocean
    floor, water temperature, chemical changes in the water, and magnetic
    sensing, all play a part in how whales navigate.

    Thank you,

    Kim

    Kim Marshall
    Executive Director
    Ocean Alliance (Whale Conservation Inst. & the Voyage of the Odyssey)
    191 Weston Road, Lincoln, MA 01773
    781.259.0423 ext. 14 fax 259.0288
    www.oceanalliance.org www.pbs.org/odyssey
    Please support our efforts to conserve whales and their ocean environment
    through research and education :)



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