PARIS — Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh environments, are hunted by predators or live in more complex societies, ...

By Aimable Twahirwa The fact that primates other than humans engage in homosexual behavior is well-documented. A recent study ...

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it extremely common.

A new primate study links same-sex behaviour to survival, social bonding, and environmental stress, raising intriguing questions about evolution, group stability, and how ancient pressures may still ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

Many primate species have been observed engaging in same-sex sexual behavior. A new study suggests it likely developed evolutionarily to help reduce conflict and build bonds.

Gay apes are a thing!

People haven’t realised that same-sex behaviour is as important for the functioning of a society," says wildlife expert ...

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

Behaviour among non-human species could help keep groups together in face of social challenges, says study Same-sex sexual behaviour among non-human primates may arise as a way to reinforce bonds and ...

Adaptation and behavior in the primate fossil record / Callum F. Ross ... [et al.] -- Functional morphology and in vivo bone strain patterns in the craniofacial region of primates: beware of ...