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Simias concolor

(Pig-tailed Langur)


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Critically Endangered

Threat status

Common Names

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Click on the language to view common names.

Common Names in Catalan, Valencian:

Rinopitec de cua de porc

Common Names in Chinese:


Common Names in Dutch:


Common Names in English:

Pig-tailed Langur, Pig tailed langur, Pig tailed Snub nosed Monkey, Pig-tailed Snub-nosed Monkey, Simakobou

Common Names in German:

Pageh Stumpfnase

Common Names in Hungarian:

Tömpeorrú majom

Common Names in Korean:


Common Names in Lithuanian:

Trumpauodegiai langūrai

Common Names in Polish:


Common Names in Swedish:



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Biome: Terrestrial [1].

Ecology: This species is found in swamp forests and lowland rainforests (Tenaza 1987), as well as primary forests on the hillsides of the interior region of the islands (Tilson 1977). It is diurnal , semi-terrestrial, and primarily folivorous (D. Whittaker pers. comm. ). The birth season is from June to July (Tilson 1977).[1].

List of Habitats :


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This species was formerly placed in the genus Nasalis. Recent molecular analysis does not support a genus-level distinction (Whittaker et al. 2006). There are currently two recognized subspecies : S. c. concolor, which is found in Indonesia on the islands of Sipora, North Pagai, and South Pagai, and S. c. siberu, which is found on the island of Siberut (Whittaker 2006).[1].

Similar Species

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Members of the genus Simias

ZipcodeZoo has pages for 3 species and subspecies in this genus:

S. concolor (Pig-Tailed Langur) · S. concolor concolor (Pagai Island) · S. concolor siberu (Siberut Island Pig-Tailed Snub-Nosed Monkey)

More Info

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Further Reading

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  1. Whittaker, D. & Mittermeier, R.A. 2008. Simias concolor. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <>. Downloaded on 04 February 2012. [back]
Last Revised: 2015-01-30