Thursday, September 15, 2011

Are differing dolphin species "talking?"

Bottlenose and Guyana dolphins are different species with very different calls (among other things, bottlenoses use a lower frequency). When they mingle off the Costa Rican coast, though, each changes its "language" to something intermediate. Are they trying to mimic each other, or are they trying to find a common "tongue"? Researchers don't know yet.

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