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

Almost 60 different primate species exhibit same-sex sexual behaviors.

Primates form same-sex sexual behavior alliances to gain rank and mating opportunities Male primates use same-sex bonds as ...

A comprehensive new study has examined the prevalence of same-sex behavior in dozens of primate species.

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.

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, ...

"One result of nine-month 'Primate project' held at the Center for Advanced Study in the Behavioral Sciences, Stanford, California, during 1962-1963. Organized by Sherwood L. Washburn and David A.

The study of foraging behaviour and cognitive ecology in primates reveals a fascinating interplay between ecological challenges and evolved cognitive strategies. Primates navigate complex environments ...

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

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 ...

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 ...

Overview of the Mesoamerican primate fauna, primate studies, and conservation concerns / Alejandro Estrada ... [et al.] -- Taxonomy and distributions of Mesoamerican primates / Anthony B. Rylands ... ...