Miller's Langur

Kingdom Order Family Genus Species
Animalia Primates Cercopithecidae Presbytis Presbytis canicrus
IUCN Status: Endangered
  • Common Names: Miller’s Langur, Kutai Gray Langur, Miller’s Grizzled Langur
  • Taxonomy Classification Year: 1934
  • Monkey Size: 48 to 56 cm (19 to 22 in)
  • Skin Color(s): Gray
  • Habitat: Forest, rainforest
  • Diet: Herbivorous
  • Native Countries: Indonesia

Miller’s Langur Distribution

Miller’s Langur Characteristics

Miller’s Langur[1] (Presbytis canicrus), also called the Kutai Gray Langur or Miller’s Grizzled Langur, is the rarest of the four Hosei subspecies, all of which are native to the island of Borneo.

  • Miller’s langur ranges from 48 centimeters (19 inches) to 56 centimeters (22 inches) in length without the tail and has a tail length of 65 centimeters (26 inches) to 84 centimeters (33 inches).
  • Males weigh between 6 and 7 kilograms, while females weigh between 5.5 and 6 kilograms.
  • Miller’s langur’s back fur is grayish with a grizzly appearance, while the fur on its belly is whitish.
  • The upper part of the face is black, while the lower part is whitish, with the whitish part forming a U under the nose.

Miller’s Langur Facts

  • One of the world’s most endangered primates, Miller’s langur, was once considered extinct until it was rediscovered in 2013.
  • It usually lives in groups of 5-12, including 1 adult male, with an average group size of 8 monkeys.
  • It is sympatric with two other leaf monkeys of the Presbytis genus, the white-fronted surili, and the maroon leaf monkey.
  • It is diurnal and arboreal, spending most of its time in the middle to upper canopy.
  • Although this langur is known to display a calmer demeanor than other primates in its responses and gestures towards conspecifics, competition within groups has been observed.

Suggested Reading: Cute Monkey Species

Cite This Page

APA7MLA8Chicago (2023, October 01). Miller’s Langur. Bio Explorer. "Miller’s Langur" Bio Explorer, 01 October 2023, "Miller’s Langur" Bio Explorer, October 01 2023.
Key References
  • [1]“A Survey of Miller’s Grizzled Surili, Presbytis Hosei Canicrus, in East Kalimantan, Indonesia”. Accessed November 24, 2022. Link.


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