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.
A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...
Some 60 primate species, including baboons, chimpanzees and vervet monkeys, express homosexuality, according to a new study ...
Bonobo evolution reveals bonding and group cohesion in response to threats, favoring paths to finding peace instead of ...
In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...
Bonobo chimpanzees are unique among primates because they do not kill other bonobos. … They still showed increased alertness ...
Humans are the only primates that run nearly naked under the sun. Here’s how this biological tradeoff reshaped how our ...