Thai National Parks

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Mammals of Thailand

Species of Thailand

Dusky leaf monkey

Binomial name: Trachypithecus obscurus, Reid, 1837

The dusky leaf monkey, spectacled langur, or spectacled leaf monkey (Trachypithecus obscurus) is a species of primate in the Cercopithecidae family. It is found in Malaysia, Burma, and Thailand.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Primates
Family
Cercopithecidae
Genus
Trachypithecus
Species
Trachypithecus obscurus

Common names

  • English:
    • Dusky langur
    • Dusky leaf monkey
    • Spectacled langur
    • Spectacled leaf monkey
  • Spanish: Langur obscuro
  • French: Semnopithèque obscur

Subspecies

  • Trachypithecus obscurus carbo, Michael Rogers Oldfield Thomas & Robert Charles Wroughton

    Common name: 1909

  • Trachypithecus obscurus flavicauda, Daniel Giraud Elliot, 1910

  • Trachypithecus obscurus halonifer, Theodore Edward Cantor, 1845

  • Trachypithecus obscurus obscurus, Reid, 1837

  • Trachypithecus obscurus sanctorum, Daniel Giraud Elliot, 1910

  • Trachypithecus obscurus seimundi, Frederick Nutter Chasen, 1940

  • Trachypithecus obscurus styx, Cecil Boden Kloss, 1911

Synonyms

  • Trachypithecus corax, Reginald Innes Pocock (1934)
  • Trachypithecus ruhei, Knottnerus Meyer (1933)
  • Trachypithecus smithii, Cecil Boden Kloss (1916)
  • Trachypithecus corvus, Gerrit Smith Miller, Jr (1913)
  • Trachypithecus leucomystax, Hermann Schlegel & Salomon Müller (1841)

Conservation status

Near Threatened (IUCN3.1)

Near Threatened (IUCN3.1)

Photos

Dusky leaf monkey - Kaeng Krachan NP
Dusky leaf monkey - Kaeng Krachan NP
Dusky leaf monkey - Kaeng Krachan NP
Trachypithecus obscurus - Kaeng Krachan NP
Dusky leaf monkey with baby
Dusky leaf monkey juveniles - Kaeng Krachan NP

Range Map

Distribution map of Dusky leaf monkey, Trachypithecus obscurus in Thailand
Range map of Trachypithecus obscurus in Thailand