Chimpanzees and bonobos are often thought to reflect two different sides of human nature -- the conflict-ready chimpanzee versus the peaceful bonobo -- but a new study shows that, within their own ...

Add Yahoo as a preferred source to see more of our stories on Google. Male bonobos were observed being particularly aggressive with other males, but not females. “Chimpanzees and bonobos use ...

Male bonobos can decipher females’ unreliable fertility signals, allowing them to focus their efforts on matings with the highest chance of conception, according to a study by Heungjin Ryu at Kyoto ...

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