Dolphins become bilingual in their sleep. What does that mean for us humans?
At the Planète Sauvage in Port-Saint-Père, France in 2011 it was observed that captive dolphins were talking in their sleep. While sleep-talking in general can be rather alarming, what made this even stranger was that they weren’t speaking the same dolphin language they speak during their waking hours. Instead they the sounds were closer to a whale language!
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