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

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

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

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

The authors even anticipated the connection to sexual dimorphism, noting that these species have more dominance-related ...

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

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

Bonobo chimpanzees are unique among primates because they do not kill other bonobos. … They still showed increased alertness ...

New research shows that the increase in primate ecotourism is having a negative effect on monkey's behavior. The study found that this fast-growing tourism sector where tourists can conveniently reach ...

The Caribbean Primate Research Center on Monkey Island is one of the world’s top institutions for studying primate behavior Jennifer Nalewicki - Travel Correspondent Some 1,500 rhesus macaques live a ...