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UPS-Borneo’s Background

With the final aim of promoting the conservation of all non-human primate species in the wild in Sabah and to provide useful data for conservation management of these animals, the Unit for Primate Studies-Borneo has been established in UMS on 1st June 2007.

Non-human primate species are facing various threats worldwide and Borneo is no exception. There are 13 species of non-human primates on Borneo island, of which 10 species are found in the state of Sabah.

Three (3) of the species are regarded as “Endangered” based on the IUCN’s red list:

  1. Orang utan, Pongo pygmaeus
  2. Proboscis monkey, Nasalis larvatus
  3. Bornean gibbon, Hylobates muelleri

Four (4) species regarded as “Vulnerable”:

  1. Slow loris, Nycticebus coucang
  2. Western tarsier, Tarsius bancanus
  3. Hose’s langur or Grey leaf monkey, Presbytis hosei
  4. Pig-tailed macaque, Macaca nemestrina

One (1) species is regarded as “Near Threatened”:

  1. Silvered langur, Trachypithecus cristatus

Although the remaining two (2) species are regarded as “Least Concern”, the current global trends of population size of these species are declining:

  1. Maroon langur or Red leaf monkey, Presbytis rubicunda
  2. Long-tailed macaque, Macaca fascicularis