Save the Javan Slow Loris

  • by: Edo R
  • recipient: International Union for Conservation of Nature

The Javan slow loris (Nycticebus javanicus) is a strepsirrhine primate and a species of slow loris native to the western and central portions of the island of Java, in Indonesia. Although originally described as a separate species, it was considered a subspecies of the Sunda slow loris (N. coucang) for many years, until re-assessments of its morphology and genetics in the 2000s resulted in its promotion to full species status. It is most closely related to the Sunda slow loris and the Bengal slow loris (N. bengalensis). The species has two forms, based on hair length and, to a lesser extent, coloration.

The Javan slow loris is listed by the International Union for Conservation of Nature (IUCN) as "endangered," primarily due to a rapid decline in population. For the 21–24 years prior to its 2008 assessment by the IUCN—which corresponds to three generations for the species—its numbers had dropped by at least 50%. Population data for the species is sparse, but a few studies have shown a low population density of 0.20 to 0.02 individuals per km2.

Its numbers are still decreasing, primarily because of poaching. In Indonesia, it is sometimes used in traditional medicine, because of myths of it having magical and curative properties, but it is more frequently sold as an exotic pet. The species is easily captured because of its slow movement, nocturnal habits, and its tendency to sleep on exposed branches. They are both actively sought for the pet trade and collected opportunistically when felling forests. Its habitat is also in decline, although most of the habitat loss occurred by the mid-1980s. Within its range, human land use is intense. Environmental niche modelling indicates that the Javan slow loris is more threatened by habitat loss than other slow loris species. For these reasons, the Javan slow loris has been included on "The World's 25 Most Endangered Primates" published by the IUCN Species Survival Commission Primate Specialist Group (IUCN/SSC PSG), the International Primatological Society (IPS), and Conservation International (CI).

Along with all other slow lorises, the Javan slow loris was elevated from CITES Appendix II to CITES Appendix I in June 2007, offering it increased protection from commercial trade. It is also protected by Indonesian law, but according to loris researchers Nekaris and Jaffe, "effective law enforcement with respect to wildlife protection laws is all but non-existent in Indonesia". The species can be found in several protected areas, but its numbers are uncertain. Captive collections of the Javan slow loris can be found in Prague, Czech Republic, Jakarta, Indonesia, and Singapore.

Source: Wikipedia

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