Nomascus concolor (Harlan 1826)

[Simia] concolor Harlan 1826, J. Acad. Nat. Sci. Philadelphia, ser. 5, 4: 231.

Type Locality: Vietnam, Tonkin.

Vernacular Names: Black Crested Gibbon.

Subspecies::

Subspecies Nomascus concolor subsp. concolor Harlan 1826

Subspecies Nomascus concolor subsp. furvogaster Ma and Y. Wang 1986

Subspecies Nomascus concolor subsp. jingdongensis Ma and Y. Wang 1986

Subspecies Nomascus concolor subsp. lu Delacour 1951

Subspecies Nomascus concolor subsp. nasutus Kunkel d’Herculais 1884

Distribution: E of the Mekong River, and a small enclave W of the Mekong, in S Yunnan (China), N and WC Laos, and in Vietnam to Red River; and an isolated region round Ban Nam Khueung, Laos.

Conservation: CITES – Appendix I; U.S. ESA – Endangered; IUCN – Critically Endangered as N. c. furvogaster, N. c. jingdongensis, and N. nasutus, Endangered as N. c. concolor and N. c. lu.

Discussion: Does not include hainanus, see Groves (2001 c). The status of nasutus is unclear; it may be a senior synonym for hainanus .