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

At the time of her death, she was surrounded by Kyoto University's Center for the Evolutionary Origins of Human Behavior ...

A 10‑month study by the Wildlife Institute of India has revealed fascinating insights into tigress behavior. The tigress was ...

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

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

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

Science shows birth order doesn’t shape personality. Our traits come from genes, peers, and experience, not our place in the ...

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

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

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

Ai, a renowned “genius” chimpanzee known for counting, recognising symbols, colours and painting, died aged 49 from old age ...