Footage of the world ’s second rarest primate , the cao - vit gibbon ( Nomascus nasutus ) has been commemorate in a forest in Vietnam .
Two adults and one younger gibbon can be observed toy together in the leafy canopy before the babe crumple through the trees . The coinage exhibit sexual dimorphism where the Male are black and the females have a brown or yellow pelage .
Cao - vit gibbon , also known as eastern fateful - crested gibbons , are conceive to only phone number around 135 person in the wild and are sort out ascritically endangeredby theIUCN . They were presumed nonextant until 2002 when the stay population wasrediscovered by scientistsin a bantam plot of forest on the margin with China .
Gibbons spend their lives in family groups high up in the trees.Image Credit: © Nguyễn Văn Trường / Fauna & Flora
The name “ cao - vit ” comes from the call of the gibbon – they defend their territory by sing and are one of four rarified mintage of gibbon launch in Vietnam according toFauna & Flora International . The Edward Gibbon have become so reduced in numbers because of the threat of habitat personnel casualty and degradation because of livestock grazing and the destruction of the woods for firewood .
The world ’s rarest primate is also a gibbon species : Hainan gibbons identification number just 28 individual in a rainforest in Bawangling National Nature Reserve , in westerly Hainan . “ The Hainan Hylobates lar [ Nomascus hainanus ] , ” said Samuel Turvey , a elderly inquiry fellow at the Zoological Society of London in a statement inNational Geographic“is the man ’s rarest ape , the earthly concern ’s rare primate and , almost sure enough , the earth ’s rarest mammal . ”
Fauna & Flora have worked severely to slowly increase the population of cao - vits , protecting the remaining individuals from these threats and work with officials in both countries . In 2012 , governments in both Vietnam and China signed an agreement to help conserve the home ground for this threatened archpriest .
