Afbeelding van Free-Photos via Pixabay

Watch dolphins ‘talk’ to each other to synchronize their behaviors

If you’ve ever counted to three before jumping into the pool with a friend, you’ve got something in common with dolphins. The sleek marine mammals use coordinated clicks and whistles to tell each other the precise moment to perform a backflip or push a button, according to new research. That makes them the only animals besides humans known to cooperate with vocal cues.

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