How long have scientists known how smart bonobos are?

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According to the Smithsonian Magazine, primatologist Robert Yerkes described the first bonobo he encountered as an “intellectual genius” compared to the chimpanzees he had met all the way back in 1920. That means humanity recognized the intelligence of bonobos before they even recognized them as a distinct species from chimpanzees, which occurred in 1929. This reputation largely stems from their communicative and cognitive abilities.
Hendrik Schmidt/picture alliance via Getty Images
Hendrik Schmidt/picture alliance via Getty Images
How long have scientists known how smart bonobos are?
- Over 100 years
- 50 years
- 20 years
- Over 1,000 years
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