Dolphins Call to Each Other by “Name”

Dolphins produce an enormous variety of sounds and are known to converse with, and even convey instructions to, one another. Experts have long suspected that dolphins call each other by “name“—a unique whistle that identifies a specific individual. To test this theory, researchers recorded a group of wild bottlenose dolphins calling to each other and then played the recordings back to them. As expected, only the individual whose “name” was being played would respond to a given call. This is thought to be the first time such behavior has been observed in an animal populationMore… Discuss


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