A recent study has shown how some species of monkeys have complex social hierarchies and how some are prone to taking risks ...
Scientists have reported that a rare monkey species — once known to exist in two regions — is now only found in Vietnam's Khau Ca protected reserve. Tonkin snub-nosed monkeys are native to Vietnam.
A colony of African vervets in Dania Beach raises big questions about how humans can and should manage nonnative species.