Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of defying our neat little categories. Take something as common as same-sex ...

A new study, published today by the scientific journal Nature Ecology & Evolution, provides an interesting overview of the relative frequency in which same-sex behaviors have been observed in an ...

In mammals, social behavior and social status can substantially influence the survival, reproductive performance, and health of individuals. However, it is not yet fully understood how the translation ...

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, ...

Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex between two male baboons will not produce an infant. Nor will the kissing ...

Humans are far from the only primates engaging in same-sex sexual activity. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. A new study found ...

Same-sex sexual behavior among primates could be shaped partly by specific environmental and social conditions, according to a new study comparing 59 species. While the study authors emphasized that ...

While homophobes have long claimed that homosexuality “isn’t natural,” a newly published study found over 59 different primate species that exhibit same-sex sexual behaviors (SSB). This finding ...

A recent study into same-sex behavior in primates finds that social organization and ecological factors, including climatic conditions, influence this behavior. In gorilla groups, same-sex relations ...

Primates show a remarkable ability to modify their behaviours to accommodate their physical disabilities and impairments, according to a new literature review. Whether the disabilities are the result ...