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Last of the gibbons

By Chen Liang | China Daily | Updated: 2013-12-18 09:12

Last of the gibbons

A male western black-crested gibbon feeds on tender leaves. Zhao Chao / for China Daily

The Hainan gibbon, found only in the island province, is also one of the world's most endangered primate species. The newest figure is two families of 23 mammals, Long says, all residing in Bawangling National Nature Reserve. In 2003, there were only two groups of 13 gibbons.

Last of the gibbons

Searching for a song 

Last of the gibbons

Mountain patrolmen keep record from a distance 

Northern white-cheeked gibbon, with a population of more than 2,000 in southern Yunnan in the 1960s and a population of about seven groups of 40 animals in 1989, has not been sighted for many years. "It might be extinct already in the country," Long says.

Hoolock gibbon is distributed in the country mainly in Yingjiang, Tengchong and Baoshan of western Yunnan, with a population of 150 in 40 families.

The white-handed gibbon that lives in the southernmost part of Yunnan had three families of about 10 mammals in 1992, and hasn't been spotted for several years. "The status of the western black-crested gibbon is the only one that is not so gloomy," Long says.

About 150 groups of 700-800 western black-crested gibbons are living on the Ailao Mountains, of which an estimated 500 gibbons in 124 groups were recorded in the Ailao Mountains nature reserves within Xinping county, in a survey done in 2009 and 2010.

"Thus, Xinping has the world's largest population of western black-crested gibbon with the highest density," says Yang Xianming, director of the Ailao Mountains National Nature Reserve's Xinping Bureau.

While the other gibbons living in the country face serious threats of habitat loss and poaching, Yang says, the western black-crested gibbons still dominate the country's largest primitive middle-mountain moist broadleaf forests on the Ailao Mountains. In Xinping, moist broadleaf forests cover more than 30,000 hectares, Yang says.

Related:

Nature the great educator

Although few participants of the recent trek on the Ailao Mountains (Ailaoshan) managed to hear the western black-crested gibbons' duets, no one seemed to regret taking part. More...

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