Sunda slow loris

Sunda slow loris[1]
CITES Appendix I (CITES)[3]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Strepsirrhini
Family: Lorisidae
Genus: Nycticebus
Species:
N. coucang
Binomial name
Nycticebus coucang
(Boddaert, 1785)
Sunda slow loris range
Synonyms[1][6][7]
  • Bradylemur tardigradus var. B. (Lesson, 1840)
  • Kra Buku (Raffles 1821)
  • Lemur tardigradus Raffles, 1821: (Not Linnaeus, 1758)
  • N. coucang brachycephalus Sody, 1949
  • N. c. buku Robinson, 1917[Note 1]
  • N. c. hilleri Stone and Rehn, 1902
  • N. c. insularis Robinson, 1917
  • N. c. natunae Stone and Rehn, 1902
  • N. Sumatrensis Ludeking, 1867: (nomen nudum)
  • N. tardigradus var malaiana Anderson, 1881
  • N. t. malayanus (Lydekker, 1904)
  • Tardigradus coucang Boddaert, 1785: (no locality)

The Sunda slow loris (Nycticebus coucang), or greater slow loris, is a strepsirrhine primate and a species of slow loris native to Indonesia, West Malaysia, southern Thailand and Singapore. It measures 27 to 38 cm (11 to 15 in) from head to tail and weighs between 599 and 685 g (21.1 and 24.2 oz). Like other slow lorises, it has a wet nose (rhinarium), a round head, small ears hidden in thick fur, a flat face, large eyes and a vestigial tail.

The Sunda slow loris is nocturnal and arboreal, typically occurring in evergreen forests. It prefers rainforests with continuous dense canopies and has an extremely low metabolic rate compared to other mammals of its size. Its diet consists of sap, floral nectar, fruit and arthropods, and will feed on exudates such as gum and sap by licking wounds in trees. Individuals are generally solitary, with one study showing only 8% of its active time was spent near other individuals. It has a monogamous mating system with the offspring living with the parents. It sleeps during the day, rolled up in a ball in hidden parts of trees above the ground, often on branches, twigs, palm fronds, or lianas. The species is polyoestrous, usually giving birth to a single offspring after a gestation period of 192 days. The young disperses between 16 and 27 months, generally when it is sexually mature.

The species is listed as endangered on the IUCN Red List. It is threatened with extinction due to a growing demand in the exotic pet trade, and has become one of the most abundant primate species on sale at Indonesian pet markets. Its teeth are often pulled out before being sold as pets which can result in infection and/or death. Lack of teeth makes reintroduction to the wild impossible. It also suffers from habitat loss, which has been severe in the areas in which it is found.

  1. ^ a b Groves 2005, p. 122.
  2. ^ Nekaris, K.A.I., Poindexter, S. & Streicher, U. (2020). "Nycticebus coucang". IUCN Red List of Threatened Species. 2020: e.T163017685A17970966. doi:10.2305/IUCN.UK.2020-2.RLTS.T163017685A17970966.en. Retrieved 10 July 2020.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. ^ Cite error: The named reference CITES was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Robinson1917 was invoked but never defined (see the help page).
  5. ^ Groves 1971, p. 50.
  6. ^ "Table 2 b: taxonomic names and synonyms used by several authors: genus, species, subspecies, populations" (PDF). Loris and potto conservation database. loris-conservation.org. 4 February 2003. p. 3. Retrieved 30 April 2013.
  7. ^ Chasen 1940, pp. 88–89.


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