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

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

"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.

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

Add Yahoo as a preferred source to see more of our stories on Google. Japanese macaques at Joshin-etsu National Park in Japan. (Peter Adams / Getty Images file) (Peter Adams) Humans are far from the ...

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

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

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 ...

Jane Goodall, whose lifelong work as a primatologist helped broaden the world’s understanding of animal behavior and emotions, has died, her institute said Wednesday. She was 91. Her field studies ...

AMSTERDAM — Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago, according to a study published on Wednesday. Researchers from ...

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 ...