For decades, scientists have been fascinated by dolphins’ so-called signature whistles: distinctive vocal patterns learned early and used throughout life. The purpose of these whistles is a matter of debate, but new research shows that dolphins respond selectively to recorded versions of their personal signatures, much as a person might react to someone calling their name.
Combined with earlier findings, the results “present the first case of naming in mammals, providing a clear parallel between dolphin and human communication,” said biologist Stephanie King of Scotland’s University of St. Andrews, an author of the new study.
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