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

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

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

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

A growing body of research suggests same-sex behavior in nonhuman primates is important to social connections.

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

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

Same-sex behavior is common across the animal kingdom—more than 1,500 species are estimated to have been observed engaging in ...

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

Past theories have suggested that animals exhibit SSB to increase group cohesion, to signal dominance among a larger group, ...

Primate ornamentation plays a crucial role in communication not only within social groups but also between them, according to a new study. The research reveals that the males of species with ...

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