Add Yahoo as a preferred source to see more of our stories on Google. A recent study on chimpanzees in Taï National Park in Côte d'Ivoire, West Africa, revealed that chimpanzees are losing traditions ...

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 ...

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 ...

Chimpanzees and bonobos are two closely related species of great apes and share much of their DNA with humans. Though they appear similar, they differ significantly in behavior, social structure, and ...