Black Sumatran Languar

Kingdom Order Family Genus Species
Animalia Primates Cercopithecidae Presbytis Presbytis sumatrana
  • Common Name: Black Sumatran Langur
  • Taxonomy Classification Year: 1841
  • Monkey Size: 50 to 50 cm (19.68 to 19.68 in)
  • Skin Color(s): Brownish-gray, medium-gray
  • Habitat: Rainforests
  • Diet: Herbivorous
  • Native Countries: Indonesia

Black Sumatran Langur Distribution

Black Sumatran Langur Characteristics

The black Sumatran langur[1] is a species of monkey in the Cercopithecidae family that is endemic to Indonesia’s Sumatra Island.

  • Presbytis sumatrana has a short snout and poorly developed eyebrow ridges.
  • It has long forelimbs and relatively long hindlimbs, consistent with its preferred mode of locomotion, hopping, and brachiation.
  • These Asian monkeys have long bicolored tails and have an average weight of 6.0 kilograms.
  • Presbytis sumatrana can be distinguished from other species in the same genus by its call, skin-coating, and head bone features, such as narrow interorbitals and long nostrils.
  • The black Sumatran langur has a brownish-gray coat that is lighter underneath than on the back.
  • The tail has two-color tones, and the head has a distinctive black crest.

Black Sumatran Langur Facts

  • Presbytis sumatrana was once considered a subspecies of Sumatran Surili. Still, genetic analysis has shown it to be a distinct species.
  • It is listed as vulnerable by the IUCN, mainly due to deforestation and raising animals as pets.
  • The distribution of this species is uneven due to habitat loss and the conversion of forests to plantations.
  • This langur monkey mainly eats young leaves, but other plants, such as flowers, seeds, and berries, can also be eaten.
  • Presbytis sumatrana lives in groups of one male and 5 to 7 females.

Suggested Reading: All Monkey Breeds

Cite This Page

APA7MLA8Chicago (2023, October 03). Black Sumatran Langur. Bio Explorer. "Black Sumatran Langur" Bio Explorer, 03 October 2023, "Black Sumatran Langur" Bio Explorer, October 03 2023.
Key References
  • [1]“Primates of the Peat Swamp in Borneo and Sumatra (Chapter 29) – Primates in Flooded Habitats”. Accessed November 23, 2022. Link.


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