Identification:
- A tuft of long, black-gray fur is present behind the ears.
- The back is gray-brown with dark and light brown spots.
- The patagium (skin membrane between limbs) and the outer surfaces of the limbs are reddish-brown, transitioning to gray-black.
- The underside of the patagium and the inner surfaces of the limbs are pale rusty brown.
- The tail is bushy, with a tuft of reddish-brown fur at the tip.
Biology and Ecology:
- The primary diet consists of forest fruits and some shoots.
- Reproduction details are unknown.
- The species inhabits large, closed-canopy tropical forests in rocky or earthen mountains with limited human presence.
- They are nocturnal, foraging from 6 PM to 7 PM until dawn.
- On rainy days, they may sometimes be observed foraging during the day in tall trees in remote forests.
Distribution:
- Vietnam: Ha Giang, Lai Chau, Hoa Binh, Lao Cai, Yen Bai, Lang Son, Thanh Hoa, Nghe An, Kontum, Gia Lai, Dak Lak, Lam Dong, Dong Nai, Con Dao, Phu Quoc.
- Worldwide: India, Nepal, Myanmar, Thailand, Southern China, Laos, Cambodia.
Value:
- A rare and unique mammal of tropical forests, attracting global conservation interest.
- Possesses scientific and aesthetic value.
Status:
- Historically, the population was not large. In 1980, the distribution area expanded to over 100,000 km².
- Currently, due to the degradation of large-canopy tropical forests through logging, the species’ habitat is shrinking. The estimated habitat area is now approximately 5,000 to <20,000 km² and is highly fragmented.
- The population may have declined by over 20%.
Classification:
- CR A1 +c,d C1 +2a (Critically Endangered)
Conservation Measures:
- Listed in the Vietnam Red Data Book.
- Prohibition of logging large trees in habitats where the species is found.