The animal is considered the world's rarest primate.

Tonkin snub-nosed monkeys have been found in a forest in Vietnam - that's still not a huge number, but it's good news for ...

Rival males bring danger to langur families, forcing mothers to flee with their infants to steep, unforgiving cliffs. These white-headed langurs are among the rarest primates on Earth, found only in a ...

A Tonkin snub-nosed monkey in Vietnam. This news is particularly welcome, given the fact that the funny-looking species isn’t just critically endangered. Tonkin snub-nosed monkeys are among the most ...

For 17 years, ranger Yang Youshan has walked these trails. The camera captures his monthly five-day treks tracking an aging gibbon couple, documenting the numbered food trees and sleeping sites that ...