In most mammals, females are only receptive to mating during ovulation, allowing males to time their mating efforts to maximize the chances of conception. But in some primates, such as bonobos (Pan ...

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 ...

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

Implications for bonobo mating strategies The results show that males focus their mating efforts on the most fertile females by combining information about the timing of swelling and reproductive ...

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 ...

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 ...