Nasalis larvatus

– Endangered

Taxonomy

Kingdom:

ANIMALIA

Phylum:

CHORDATA

Class:

MAMMALIA

Order:

PRIMATES

Family:

CERCOPITHECIDAE

Scientific Name:

Nasalis larvatus

Species Authority:

(Wurmb, 1787)

Common Name/s:

English	—	LONG-NOSED MONKEY, PROBOSCIS MONKEY
French	—	NASIQUE
Spanish	—	MONO NARIGUDO

Taxonomic Notes:

Nasalis larvatus orientalis: Nasalis was craniometrically reviewed by Groves (1970), but his skull sample excluded most of the potential geographic distribution. It remains to be refuted that there is a population without a nuchal hair tract.

Assessment Information

Red List Category & Criteria:

EN A2c, C1+2a ver 2.3 (1994)

Year Assessed:

2000

Assessor/s:

Eudey, A. & Members of the Primate Specialist Group

Evaluator/s:

Mittermeier, R.A., Konstant, W.R. & Rylands, A.B. (Primate Red List Authority)

History:

1986	-	Vulnerable (IUCN Conservation Monitoring Centre 1986)
1988	-	Vulnerable (IUCN Conservation Monitoring Centre 1988)
1990	-	Vulnerable (IUCN 1990)
1994	-	Vulnerable (Groombridge 1994)
1996	-	Vulnerable (Baillie and Groombridge 1996)

Geographic Range

Range Description:	N. larvatus is endemic to Borneo. It occurs over much of the island, except for central Sarawak and possibly northeast Kalimantan.
Countries:	Native: Brunei Darussalam; Indonesia (Kalimantan); Malaysia (Sabah, Sarawak)

Population

Population Trend:

Habitat and Ecology

Habitat and Ecology:

The species is found in riverine and coastal forest areas, including mangroves (Meijaard and Nijman 2000).

System:

Terrestrial

List of Habitats:

1.5	Forest - Subtropical/Tropical Dry
1.7	Forest - Subtropical/Tropical Mangrove Vegetation Above High Tide Level

Threats

Threats:

The main threat to the species is loss of habitat through conversion to agricultural land and logging. A further threat to their survival is hunting (Meijaard and Nijman 2000).

List of Threats:

1	Habitat Loss/Degradation (human induced) (ongoing)
3	Harvesting (hunting/gathering) (ongoing)

Conservation Actions

Conservation Actions:

The species is legally protected throughout its range and is included on CITES Appendix I.

Bibliography

Bibliography:

Baillie, J. and Groombridge, B. (compilers and editors) 1996. 1996 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland.

Groombridge, B. (ed.) 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland.

Hilton-Taylor, C. (compiler). 2000. 2000 IUCN Red List of Threatened Species. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN Conservation Monitoring Centre. 1986. 1986 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN Conservation Monitoring Centre. 1988. 1988 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN. 1990. 1990 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Meijaard, E. and Nijman, V. 2000. Distribution and conservation status of the proboscis monkey (Nasalis larvatus) in Kalimantan, Indonesia. Biological Conservation 92:15-24.

Citation:	Eudey, A. & Members of the Primate Specialist Group 2000. Nasalis larvatus. In: IUCN 2007. 2007 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 30 August 2008.
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