SETI public: Deciphering the language of orcas

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From: LARRY KLAES (ljk4_at_msn.com)
Date: Sat Apr 03 2004 - 07:39:51 PST

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    New Technology Reveals Killer Whale Conversations

    Bijal P. Trivedi
    National Geographic Channel<http://www.nationalgeographic.com/channel/>
    April 2, 2004

    A new technology is allowing scientists to eavesdrop on the deep conversations of killer whales. For the first time they can not only listen in on a group of whales, but now they can decipher which one is doing the talking.
    Killer whales (Orcinus orca) live in stable families. The kids stay with their mother for their entire life. As many as four generations of whales live together in some of these matrilineal groups.

    Within these families, members are incredibly vocal. But most research to date has used underwater microphones, called hydrophones, to study the collection of sounds produced by various groups-not individuals.

    http://news.nationalgeographic.com/news/2004/04/0402_040402_TVkillerwhalehtml>

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