A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...

Homosexuality is common among primates close to humans, and this trait appears to be inherited in some cases. The findings run counter to the view that homosexuality "goes against the laws of nature." ...

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

Humans are far from the only primates engaging in same-sex sexual activity. A new study found instances in which 59 nonhuman primate species, including bonobos, chimpanzees and macaques, have taken ...

The observation of homosexual behaviors in animals has long raised questions about their origins and functions. A recent ...

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 ...

Most of the contributions included were drawn from a symposium presented at the 1977 meeting of the Western Psychological Association in Seattle, Washington.

Cooperative behaviour and prosociality in nonhuman primates constitute a vital area of research that illuminates the evolutionary origins of complex sociality. Studies indicate that primates employ a ...