Research has found that chimpanzees recognize the butts of their relatives just as well as humans recall familiar faces.
Source: https://www.livescience.com/57127-chimps-can-recognize-butts.html
Research has found that chimpanzees recognize the butts of their relatives just as well as humans recall familiar faces.
Source: https://www.livescience.com/57127-chimps-can-recognize-butts.html
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