Bottlenose dolphins invent a unique 'signature whistle' in infancy, and podmates mimic it to call that specific dolphin.
Research from the University of St Andrews found that wild dolphins reliably respond when researchers play back their specific signature whistle—functioning much like human names.
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Quick Guess: What do biologists call the personal sound dolphins use like names?
Verified Answer: Signature whistles
Quiz Question: What do biologists call the personal sound dolphins use like names?
Correct Answer: Signature whistles
Each dolphin develops a distinct signature whistle that other dolphins repeat to address them.
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