Because male bonobos can effectively estimate female fertility despite an unreliable signal, there has likely been little evolutionary pressure for the signal to become more precise. This may explain ...

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 ...

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 ...