The Rhesus macaque (Macaca mulatta) is a species of Old World monkey. It lives both in trees and on the ground. It mainly eats fruit, but will also include 100 different plant species in its diet. It spends most of its day feeding and resting, the...
The Long-tailed macaque (Macaca fascicularis) is a cercopithecine primate native to Southeast Asia. This species has a long history alongside humans. It has been alternately seen as an agricultural pest, a sacred animal, and, more recently, the...
The Red-shanked douc (Pygathrix nemaeus) is a diurnal Old World monkey. They are the most colorful monkeys among all species of primates. Red-shanked doucs live in fission-fusion, multilevel societies, and communicate with each other using various...
The stump-tailed macaque (Macaca arctoides ), also called the bear macaque, is a species of macaque native to South Asia and Southeast Asia. In India, it occurs south of the Brahmaputra River, in the northeastern part of the country. Its range in...
The pygmy slow loris (Xanthonycticebus pygmaeus ) is a species of slow loris found east of the Mekong River in Vietnam, Laos, eastern Cambodia, and China. It occurs in a variety of forest habitats, including tropical dry forests, semi-evergreen, and...
The François' langur (Trachypithecus francoisi ), also known as the Francois' leaf monkey, Tonkin leaf monkey, or white side-burned black langur is a species of lutung and the type species of its species group. It is one of the least studied of the...
The Northern pig-tailed macaque (Macaca leonina) is a species of macaque in the family Cercopithecidae. It was considered a subspecies of the Southern pig-tailed macaque but is now classified as individual species.
The Bengal slow loris (Nycticebus bengalensis) is a strepsirrhine primate native to the Indian subcontinent and Indochina. Its geographic range is larger than that of any other slow loris species. Bengal slow lorises favor rainforests with dense...
The Tonkin snub-nosed monkey or Dollman's snub-nosed monkey (Rhinopithecus avunculus ) is a slender-bodied arboreal Old World monkey, endemic to northern Vietnam. It has black and white fur, a pink nose and lips, and blue patches around the eyes. It...
The white-headed langur (Trachypithecus leucocephalus ) is a critically endangered species of langur endemic to Guangxi, China.
The Assam macaque or Assamese macaque (Macaca assamensis ) is a macaque of the Old World monkey family native to South and Southeast Asia. Since 2008, the species has been listed as "near threatened" by the IUCN, as it is experiencing significant...
Phayre's leaf monkey (Trachypithecus phayrei ), also known as Phayre's langur, is a species of lutung native to South and Southeast Asia, namely India, Bangladesh and Myanmar. Populations from further east are now thought to belong to other species....
The Delacour's langur, or Delacour's lutung, (Trachypithecus delacouri ) is a critically endangered species of lutung endemic to northern Vietnam. It is named for French-American ornithologist Jean Théodore Delacour.
The black crested gibbon (Nomascus concolor ) is a Critically Endangered species of gibbon found in China, Laos, and northern Vietnam, with four subspecies.
The southern yellow-cheeked gibbon (Nomascus gabriellae ), also called the golden-cheeked gibbon, southern yellow-cheeked crested gibbon, the golden-cheeked crested gibbon, red-cheeked gibbon, or the buffed-cheeked gibbon, is a species of gibbon...
The eastern black-crested gibbon (Nomascus nasutus ), also known as the Cao-vit black crested gibbon or the Cao-vit crested gibbon, is a species of gibbon from southeast China and northern Vietnam. The term "Cao-vit" originated from the sounds of...
The grey-shanked douc langur (Pygathrix cinerea ) is a douc species native to the Vietnamese provinces of Quảng Nam, Quảng Ngãi, Bình Định, Kon Tum, and Gia Lai. The total population was estimated at 550 to 700 individuals in 2004. In 2016, Dr....
The black-shanked douc (Pygathrix nigripes ) is an endangered species of douc found mostly in the forests of eastern Cambodia, with some smaller populations in Vietnam. This species is unique among the doucs in having a largely greyish-blue face. No...
The northern white-cheeked gibbon (Nomascus leucogenys ) is a Critically Endangered species of gibbon native to South East Asia. It is closely related to the southern white-cheeked gibbon (Nomascus siki ), with which it was previously considered...
The northern buffed-cheeked gibbon (Nomascus annamensis ) is a newly discovered species of crested gibbon which is found in Vietnam, Cambodia, and Laos. Its habitat is in the humid subtropical and seasonal tropical forests of these countries.
The Hatinh langur (Trachypithecus hatinhensis ) is a highly threatened Old World monkey found in limestone forests in Vietnam, primarily in the Quảng Bình Province. A recent survey discovered a small population living in the Quảng Trị Province....
Germain's langur (Trachypithecus germaini ) is a lutung native to Thailand, Burma, Cambodia, Laos and Vietnam. The Old World monkey was previously included in Trachypithecus cristatus and Trachypithecus villosus.Two subspecies were...
The Indochinese black langur (Trachypithecus ebenus ) is a poorly known lutung native to Laos and adjacent Vietnam. It was originally described as a subspecies of T. auratus, but was later found to be a member of the T. francoisi group, with some...
