The Laotian langur () or white-browed black langur (''Trachypithecus laotum'') is a species of

primate Primates is an order (biology), order of mammals, which is further divided into the Strepsirrhini, strepsirrhines, which include lemurs, galagos, and Lorisidae, lorisids; and the Haplorhini, haplorhines, which include Tarsiiformes, tarsiers a ...

in the family Cercopithecidae. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Laos Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...

. Its natural

habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...

is subtropical or tropical dry forests. Genetically the Indochinese black and Hatinh langurs are very close to the Laotian langur, and consequently it has been suggested they should be considered

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

of it.Roos, C. 2004. ''Molecular evolution and systematics of Vietnamese primates.'' In: Nadler, T., U. Streicher, and Ha Thang Long (eds). Conservation of Primates in Vietnam: 23-28.Roos, C., T. Nadler, Y. P. Zhang, H. Zischler. 2001. ''Molecular evolution and distribution of the superspecies Trachypithecus rancoisi'' Folia Primatol. 72: 181-182.

References

Laotian langur Endemic fauna of Laos Mammals of Laos Primates of Southeast Asia Vulnerable fauna of Asia Laotian langur Laotian langur Taxonomy articles created by Polbot {{oldworld-monkey-stub