Dusky leaf monkey (Trachypithecus obscurus)

Also known as:	dusky langur, spectacled langur, spectacled leaf monkey
Synonyms:	Trachypithecus corax, Trachypithecus corvus, Trachypithecus leucomystax, Trachypithecus ruhei, Trachypithecus smithii
French:	Semnopithèque Obscur
Spanish:	Langur Obscuro

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

Classified as Near Threatened (NT) on the IUCN Red List (1) and listed on Appendix II of CITES (2). Subspecies: Trachypithecus obscurus carbo (Terutau Island dusky langur), T. o. flavicauda (creamy-tailed dusky langur), T. o. halonifer (Cantor’s dusky langur) and T. o. obscurus (Reid's dusky langur) are classified as Least Concern (LC) on the IUCN Red List (1). T. o. sanctorum (St. Matthew Island dusky langur), T. o. seimundi (Koh Pennan dusky langur) and T. o. styx (Perhentian Island dusky langur) are classified as Vulnerable (VU) on the IUCN Red List (1).

Information on the dusky leaf monkey 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 (October, 2008)
   http://www.iucnredlist.org/
2. CITES (October, 2008)
   http://www.cites.org