The rare species of langurs in Vietnam

Gray-shanked douc langur (Pygathrix cinerea). Gray-shanked douc langur is often in evergreen, semi-evergreen closed forest, living in flocks of about 10-15 individuals. This species is distributed in Quang Nam, Kon Tum and Binh Dinh.

Gray-shanked douc langur is only found in Vietnam, is one of 25 primate species in the most endangered situation in the world. There are only about 2,000 live in nature now. .

Red-shanked douc langur (Pygathrix nemaeus). Their bodies are slender, multicolored, with black forehead, thick facial hair forming the face disc, the color from white to gray to gray. Their necks and chests are hung red from bright to light. The brown-shanked douc lives in primitive forests in the high mountains, feeding both in secondary forests, mixed forests and upland fields.

This species often eats fruits, leaves, forest plants, corn, potatoes, cassava and green vegetables. They live in Thanh Hoa, Nghe An, Ha Tinh, Quang Binh, Thua Thien - Hue, Quang Nam, Da Nang, Kontum, Gia Lai, Dak Lak, Lam Dong, Dong Nai. The habitat of rub and brown legs is reduced due to deforestation.

Black-shanked douc langur (Pygathrix nigripes). They have slender bodies, legs, long arms, dark gray backs, gray-white heads. Their temples have reddish-brown fringe. The face of many long hairs is white and gray. Black-shanked douc lives in semi-deciduous forest and Dipterocarpaceae.

This species lives in Kontum, Gia Lai, Dak Lak, Lam Dong, Binh Duong, Binh Phuoc, Tay Ninh, Dong Nai.

White-headed langur (Trachypithecus poliocephalus). This is endemic to Vietnam. Previously, they appeared on Cat Chien Island in Quang Ninh, but they are only found in Cat Ba Island in Hai Phong; No individuals were found in the world. As adults, the male head and shoulders are pale white, the color is darker.

White-headed langurs live in wooded forests and vines growing on cliffs at a height of 100 -150m above sea level. They mainly eat leaves and fruits of forest trees as multi, example blood, poisonous leaves and fruits such as finger leaves and seeds of money. Living in wooded forests and vines growing on cliffs at an altitude of 100 - 150m above sea level. When in danger, it made a sound to signal for the whole herd to seek shelter.

The Tonkin snub-nosed monkey (Rhinopithecus avunculus) is one of 25 globally endangered primates and is endemic to Vietnam. Tonkin snub-nosed monkeys have dark brown fur. The hair on the head and the face are pale. There are no crest on the top of the head.

The habitat of the Tonkin snub-nosed monkeys is somewhat more diverse than other langurs. They are often in higher tree areas on the mountains and valleys than on mountain forests, hillsides at the foot of mountains with mixed wood and bamboo forests. In Vietnam, they live in Tuyen Quang, Cao Bang, Yen Bai and Quang Ninh.

White buttocks (Trachypithecus delacouri). Their fur is black, has a crest on the top of the head, the tail is longer than the body. This endemic species of Vietnam often lives in groups of 5 to 10 animals because the old male is the leader. The preferred habitat of the white-shanked douc is the secondary forest area of ​​4 - 5m high, growing on cliffs with caves. In the winter they sleep in caves, summer sleep on the cliffs of the cave.

In Vietnam, white buttock langurs live in Yen Bai, Hoa Binh, Ninh Binh, Thanh Hoa, Nghe An and Ha Tinh.

White cheeked langur (Trachypithecus francoisi). They have black fur, white fur on the cheeks that extends beyond the ears, the top of the head has black crest, black tail, not rough.

White cheeked black langurs eat young shoots, leaves and very few trees. This species lives on high-altitude limestone cliffs with many trees and vines. Each herd has its own active territory so they do not invade each other, they can live peacefully with other monkeys.

These rare animals are found in Tuyen Quang, Cao Bang, Lang Son and Quang Ninh.