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Dolphins use signature whistles to represent other dolphins – similarly to how humans use names

  • Written by Jason Bruck, Assistant Professor of Biology, Stephen F. Austin State University
Dolphins use signature whistles to represent other dolphins – similarly to how humans use namesBottlenose dolphins are extremely social animals that communicate constantly.Micha Pawlitzki/Corbis Documentary via Getty Images

Bottlenose dolphins’ signature whistles just passed an important test in animal psychology. A new study by my colleagues and me has shown that these animals may use their whistles as namelike concepts.

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