Many gibbon species — including the cao vit gibbon — are sexually dimorphic, meaning that males and females are different colors.” Cao vit gibbons are listed as “critically endangered ...

Conservationists are celebrating an upswing in the fortunes of the critically endangered cao vit gibbon after a tiny infant ...

In the northern forests of Vietnam, a tiny primate baby marks a landmark for a critically endangered species. Quentin Dang ...