Identification:
The species resembles a black gibbon but is distinguished by white hands and feet in males. Males also have a white facial fringe, while females have a fringe of white, pale yellow, or yellowish-green hairs around their faces. The body and limbs are generally a pale yellow, with a white facial ring.
Biology and Ecology:
According to foreign literature, the white-handed gibbon’s diet consists of fruits and young leaves. The breeding season is undetermined. They give birth to one offspring every two years. They inhabit old-growth forests in mountainous areas. Their habitat is limited and shows little variation.
Distribution:
- Vietnam: Historical reports suggest their presence on Phu Quoc Island. No confirmed current habitat locations have been identified.
- Worldwide: India (Assam), Myanmar, Thailand, Indochina, and certain other islands.
Value:
A valuable and critically endangered genetic resource. Classified as Endangered (E) by the World Red List.
Conservation Status:
The current status of the white-handed gibbon in Vietnam is unknown. They are at risk of extinction. Threat level: Endangered (E).
Recommended Conservation Measures:
Prohibit hunting of the white-handed gibbon on Phu Quoc Island. Actively survey and search for the species to establish captive breeding programs in zoos and national parks.