Cat Ba langur
| Cat Ba langur | |
|---|---|
| Cat Ba langurs at Cát Bà National Park, Vietnam | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Primates |
| Suborder: | Haplorhini |
| Infraorder: | Simiiformes |
| Family: | Cercopithecidae |
| Genus: | Trachypithecus |
| Species group: | Trachypithecus francoisi group |
| Species: | T. poliocephalus |
| Binomial name | |
| Trachypithecus poliocephalus (Trouessart, 1911) | |
| Cat Ba langur range (includes range of white-headed langur) | |
The Cat Ba langur (Trachypithecus poliocephalus), also known as the golden-headed langur, is a critically endangered species of langur endemic to Cát Bà Island, Vietnam. It is among the rarest primates in the world, and possibly the rarest primate in Asia, with population size estimated at less than 70 individuals.