Semnopithèque obscur

Scientific name:

Trachypithecus obscurus

Threat level:

Near threatened

Authority:

Thomas & Wroughton, 1909

Common names:

• Dusky leaf monkey (English)
• Spectacled leaf monkey (English)
• Spectacled langur (English)
• Dusky leaf monkey (English)
• Dusky langur (English)
• Dusky leaf-monkey (English)
• Langur obscuro (Spanish)

Version:

3.1

Year assessed:

2008

Assessor(s):

Boonratana, R., Traeholt, C., Brockelmann, W. & Htun, S.

Evaluator(s):

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

Justification:

Considering the extensive habitat loss that has taken place within the range of the species, there is reason to believe that this species is in decline, probably at a rate of less than 30% over three generations (approximately 30 years), thus qualifying if for listing as Near Threatened. Almost qualifies as threatened under criterion A2cd.

Geographic ranges:

• Malaysia (Native)
• Myanmar (Native)
• Thailand (Native)

Population trend:

Decreasing

Ecosystems

• Terrestrial

List of habitats:

• Forest
• Subtropical/Tropical Moist Lowland
• Subtropical/Tropical Moist Montane
• Artificial/Terrestrial
• Rural Gardens
• Urban Areas
• Subtropical/Tropical Heavily Degraded Former Forest

List of threats:

• Residential & commercial development
• Housing & urban areas
• Agriculture & aquaculture
• Annual & perennial non-timber crops
• Shifting agriculture
• Small-holder farming
• Agro-industry farming
• Wood & pulp plantations
• Agro-industry plantations
• Transportation & service corridors
• Roads & railroads
• Biological resource use
• Hunting & trapping terrestrial animals
• Intentional use (species is the target)
• Motivation Unknown/Unrecorded

List of conservation actions:

• Land/water protection
• Site/area protection
• Land/water management
• Site/area management
• Species management
• Species management
• Harvest management
• Law & policy
• Legislation
• National level