Male primates may be larger than females partly because of pressure from rival groups, not just competition with males inside ...

In many primate species, males are much larger than their female counterparts, which is generally attributed to male ...

Monkeys shy away from bystanders during copulation, irrespective of the bystanders' gender or rank. The new study, by Anne Overduin-de Vries and her team from the Biomedical Primate Research Centre in ...