The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

As animals go about their lives ― eating, fighting, having babies ― they don’t always follow the script laid out for them by ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

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

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

Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

Data from 491 non-human primate species reveals reports of same-sex sexual behavior (SSB) in 59, and the distribution is not ...

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...