Budeng

Scientific name:

Trachypithecus cristatus

Threat level:

Near threatened

Authority:

Miller, 1913

Common names:

• Silvered leaf monkey (English)
• Silvered langur (English)
• Silvery lutung (English)
• Silvered leaf-monkey (English)
• Langur crestado (Spanish)

Version:

3.1

Year assessed:

2008

Assessor(s):

Nijman, V. & Meijaard, E.

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 qualifying as threatened under criterion A2c.

Geographic ranges:

• Brunei Darussalam (Native)
• Indonesia (Native)
• Malaysia (Native)

Population trend:

Decreasing

Ecosystems

• Terrestrial

List of habitats:

• Forest
• Subtropical/Tropical Moist Lowland
• Subtropical/Tropical Mangrove Vegetation Above High Tide Level
• Subtropical/Tropical Swamp
• Subtropical/Tropical Moist Montane
• Artificial/Terrestrial
• Plantations

List of threats:

• Agriculture & aquaculture
• Annual & perennial non-timber crops
• Agro-industry farming
• Wood & pulp plantations
• Agro-industry plantations
• Biological resource use
• Hunting & trapping terrestrial animals
• Intentional use (species is the target)
• Motivation Unknown/Unrecorded
• Natural system modifications
• Fire & fire suppression
• Trend Unknown/Unrecorded

List of conservation actions:

• Land/water protection
• Site/area protection
• Resource & habitat protection
• Land/water management
• Site/area management
• Species management
• Species management
• Harvest management