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

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BioExplorer.net. (2022, December 06). Black Sumatran Langur. Bio Explorer. https://www.bioexplorer.net/animals/mammals/monkeys/black-sumatran-langur/.
BioExplorer.net. "Black Sumatran Langur" Bio Explorer, 06 December 2022, https://www.bioexplorer.net/animals/mammals/monkeys/black-sumatran-langur/.
BioExplorer.net. "Black Sumatran Langur" Bio Explorer, December 06 2022. https://www.bioexplorer.net/animals/mammals/monkeys/black-sumatran-langur/.
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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