World’s Second Rarest Primate Caught On Film Playing In The Trees

Footage of the world’s second rarest primate, the cao-vit gibbon (Nomascus nasutus) has been recorded in a forest in Vietnam.

Two adults and one younger gibbon can be observed playing together in the leafy canopy before the infant tumbles through the trees. The species exhibits sexual dimorphism where the males are black and the females have a brown or yellow coat. 

Cao-vit gibbons, also known as eastern black-crested gibbons, are thought to only number around 135…