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This is Scientific American 60-Second Science. I'm Karen Hopkin. This'll just take a minute.

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Everybody loves chimps¡ especially their endearing entreaties.

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Scientists, too, love to listen to chimps chat.

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And they enjoy sharing these colorful commentaries with their colleagues.

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Now, anyone with a hankering for primate prattle can listen in.

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Because researchers from the Netherlands have made available online a digitized catalog of more than ten hours' worth of chimpanzee calls.

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The recordings are described in a new journal, published by Nature, called Scientific Data.

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The audio, which includes more than 1000 separate data files, was captured in the early 1970s by the late Hetty van de Rijt-Plooij.

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She recorded the various screams, barks, and hoocalls made by a group of chimps, including 17 youngsters, living in the wild in the Gombe National Park in Tanzania.

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Van de Rijt-Plooij and her husband Frans Plooij were planning to study how chimp vocalizations change over the life of an individual.

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But they ended up focusing on how baby chimps behave, so their extensive recordings have remained largely unexplored.

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One thing that pops out of this collection is that immature chimps grunt more than their adult counterparts.

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Which suggests that you don't want to talk to baby Bonzo before he's had his morning banana smoothie.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.

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