What might dolphins be Fifa 14 Ultimate Team Coins saying with all those clicks and squeaksEach other's names, suggests a new study of the so-called signaturewhistles that dolphins use to identify themselves.
Whether the vocalisations should truly be considered names, andwhether dolphins call to compatriots in a human-like manner, iscontested among scientists, but the results reinforce thepossibility. After all, to borrow the argot of animal behaviourstudies, people often greet friends by copying their individuallydistinctive vocal signatures.
They use these when they want to reunite with a specificindividual, said biologist Stephanie King of Scotland's Universityof St Andrews. It's a friendly, affiliative sign.
In their new study, published 19 February in Proceedings of theRoyal Society B, King and fellow St Andrews biologist VincentJanik investigate a phenomenon they first described in 2006:bottlenose dolphinsrecognising the signature whistles of other dolphins theyknow.
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