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Article: Name That Dolphin.(Brief Article)
- Article from:
- Science World
- Article date:
- October 16, 2000
- Author:
CopyrightCOPYRIGHT 2000 Scholastic, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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If you want to meet a dolphin in the wild, just whistle. New research shows that bottlenose dolphins (one of 26 dolphin species) use "signature whistles" to greet one another or identify themselves across distances. "They always use the same call. You might call it a name," says biologist Vincent Janik at the University of St. Andrews in Scotland. Janik used three hydrophones (underwater microphones) to eavesdrop on dolphins swimming in the Moray Firth off the northeast coast of Scotland.
At an early age each dolphin adopts a personalized call--a unique whistle of rising and falling tones that emanates from nasal sacs below the blowhole (the single nostril atop a ...
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