Species of Thailand
Dusky leaf monkey
Trachypithecus obscurus
Reid, 1837
In Thai: ค่างแว่นถิ่นใต้
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
- German: Südlicher Brillenlangur
- English:
- Dusky langur
- Dusky leaf monkey
- Spectacled langur
- Spectacled leaf monkey
- Spanish:
- Langur obscuro
- Langur de anteojos
- French: Semnopithèque obscur
- Italian:
- Langur dagli occhiali
- Presbite dagli occhiali
- Dutch: Brillangoer
- Swedish: Rökgrå bladapa
- Thai: ค่างแว่นถิ่นใต้
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)
Photos
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Range Map

- Ang Thong National Marine Park
- Hala-Bala Wildlife Sanctuary
- Kaeng Krachan National Park
- Khao Luang National Park
- Khao Nang Phanthurat Forest Park
- Khao Sam Roi Yot National Park
- Khao Sok National Park
- Khlong Saeng Wildlife Sanctuary
- Ko Lanta District, Krabi
- Ko Lanta National Park
- Kui Buri National Park
- Mueang Krabi District, Krabi
- Mueang Prachuap Khiri Khan District, Prachuap Khiri Khan
- Mueang Satun District, Satun
- Sadeth Naikrom - Krom Luang Wildlife Sanctuary
- Similan Islands
- Tarutao National Marine Park