Thai National Parks

Mammals of Thailand

Species of Thailand

White-thighed surili

In Thai: ค่างต้นขานวล

Binomial name: Presbytis siamensis, Hermann Schlegel & Salomon Müller, 1838

The white-thighed surili (Presbytis siamensis) is a species of primate in the family Cercopithecidae. It is endemic to the Thai-Malay Peninsula, the Riau Archipelago and Sumatra. Four subspecies, siamensis (nominate), cana, paenulata and rhionis, are recognized here, but the taxonomy is disputed and in need of a review, and it has included P. natunae as a subspecies, or alternatively both have been considered subspecies of P. femoralis.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Primates
Family
Cercopithecidae
Genus
Presbytis
Species
Presbytis siamensis

Common names

  • German: Weißschenkliger Langur
  • Spanish: Surili de muslos blancos
  • French: Semnopithèque du Siam
  • Italian: Presbite del Siam
  • Dutch: Bleekdijlangoer
  • Swedish: Siambladapa
  • Thai: ค่างต้นขานวล

Subspecies

  • Presbytis siamensis cana, Gerrit Smith Miller, Jr, 1906

    Common name: Riau-coast pale-thighed langur

    Range: CE Sumatra (between the Siak and Indragiri rivers) and the Riau Archipelago (Kundur Island)

  • Presbytis siamensis paenulata, Frederick Nutter Chasen, 1940

    Common name: Mantled pale-thighed langur

    Range: CE Sumatra separated from P. femoralis percura by the Rokan River

  • Presbytis siamensis rhionis, Gerrit Smith Miller, Jr, 1903

    Common name: Bintan pale-thighed langur

    Range: Riau Archipelago

  • Presbytis siamensis siamensis , Hermann Schlegel & Salomon Müller, 1841

    Common name: Malaysian pale-thighed langur

    Range: Peninsular Malaysia, including southernmost Thailand

Conservation status

Near Threatened (IUCN3.1)

Near Threatened (IUCN3.1)

Photos

No photo for this species yet

Range Map

Distribution map of White-thighed surili, Presbytis siamensis in Thailand
  • Hala-Bala Wildlife Sanctuary
Range map of Presbytis siamensis in Thailand