How Dolphins Say Hello

Wired News
February 29, 2012

Bottlenose dolphins have a knack for language. They can understand both the meaning and the order of words conveyed through human hand gestures—correctly putting an item on the right side of their tank into a basket on the left, for example. Now humans, too, are beginning to understand dolphin language as more than just a cacophony of clicks, pulses, and whistles. A new study shows that dolphins use their own unique calls, known as signature whistles, to introduce themselves to others when meeting at sea. … The study also sheds some light on dolphin society, says Heidi Harley, a comparative cognitive psychologist at the New College of Florida in Sarasota.

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