Pale-thighed langur (Presbytis siamensis)

Also known as:	white-thighed surili
Synonyms:	Presbytis amsiri, Presbytis catemana, Presbytis dilecta, Presbytis nigimanus, Presbytis nubigena

Kingdom	Animalia
Phylum	Chordata
Class	Mammalia
Order	Primates
Family	Cercopithecidae
Genus	Presbytis (1)

Classified as Near Threatened (NT) on the IUCN Red List (1) and listed on Appendix II of CITES (2). Subspecies: Presbytis siamensis cana, Lyon’s pale-thighed langur, classified as Near Threatened (NT), Presbytis siamensis paenulata, Chasen’s pale-thighed langur, classified as Near Threatened (NT), Presbytis siamensis rhionis, Bintan Island pale-thighed langur, classified as Data Deficient (DD) and Presbytis siamensis siamensis, Malayan pale-thighed langur, classified as Near Threatened (NT) on the IUCN Red List (1).

Information on the pale-thighed langur is currently being researched and written and will appear here shortly.

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.uk

• Subspecies: a population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.

1. IUCN Red List (November, 2008)
   http://www.iucnredlist.org/
2. CITES (November, 2008)
   http://www.cites.org