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Baby chimps learn raspberry calls by watching adults
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Baby chimps learn raspberry calls by watching adults

So, it seems chimpanzees learn not just how to make raspberry calls, but also when to use them. Researchers compared 91 chimps and found that wild chimpanzees in Ivory Coast mostly used the sound while grooming, while young chimps at a sanctuary used it in more situations. When an adult joined the sanctuary group, the youngsters gradually began using the call more consistently, too. That’s a delightful clue that shared vocal habits may connect chimpanzee communication with our own.
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