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 published in Current Biology shows ...

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 ...

Female bonobos send one of the most confusing signals in the primate world: a bright pink genital swelling that stays fully inflated long before - and long after - they're actually fertile. It looks ...

Humankind's two closest primate relatives are often said to embody contrasting sides of our nature: peace-loving bonobos versus violence-prone chimpanzees. But a new study out Friday in Current ...

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. From a human perspective, chimpanzees ...

When it comes to bonobo hierarchy, the ladies stick together. New research out of the Max Planck Institute for Animal Behavior finds that female bonobos team up to keep male bonobos in line, even ...

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Learn how male bonobos use subtle behavioral and reproductive cues to pinpoint the fertile window, even when the usual swelling signal gives them almost no useful information. Female bonobos send one ...