Male bonobos are able to decipher confusing fertility signals from females, say scientists. Most female mammals are only ...

Human pair bonding is more comparable to exclusive mating seen in meerkats and beavers than in our primate cousins ...

Female and male primates often form close bonds, but not purely out of affection. Close relationships usually evolve when there is a clear benefit for both parties, with protection and reproductive ...

New study finds that large group size and mating systems where males have multiple mates drove evolution of deeper male voices in primates, including humans UNIVERSITY PARK, Pa. — Deeper male voices ...

Biological anthropologists and evolutionary psychologists commonly take it for granted that human monogamy has a biological basis. Desmond Morris was an influential early advocate. His 1967 ...

First study to analyse rates of full vs half siblings in a range of mammals provides new evidence for monogamous behaviour in humans compared to other animals.

“Spanking the monkey”, “petting the poodle” and “pulling the python”: all fitting euphemisms for masturbation, and closer to the truth than you might imagine. Self-pleasure is common across the animal ...