Japanese macaques, colloquially referred to as snow monkeys, famously soak in steaming hot springs during winter. It's easy to see that this helps them stay warm in cold temperatures, but a team of ...

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

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

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

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

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

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

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 ...

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

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