Flashback Friday: Wild dolphins exchange names when they meet at sea.

It’s been known for some time that captive dolphins can invent new vocalizations. Although such whistles may be harder for us to pronounce than names like “Flipper” or “Willy”, they nonetheless serve many of the same purposes among porpoises. That’s because dolphins make up new whistles that other dolphins then use to signal each whistle’s inventor. But what happens when dolphins meet for the first time? And what about wild dolphins–do they use “names”? Well, according to this study, the ans

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