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Presbytis thomasi | Thomas' Langur


Good spot: Gunung Leuser National Park, Sumatra, Indonesia

Presbytis thomasi




Taxonomy & Occurrence

Presbytis thomasi is a monotypic species (no subspecies). It is found in Aceh Province of north Sumatra, Indonesia, mostly north of the Wampu and Alas [= Simpang Kiri] rivers, though a population has also been discovered south of the Alas [1].


IUCN Conservation Status





[1] Roos C., Boonratana R., Supriatna J., Fellowes J.R., Groves C.P., Nash S.D., Rylands A.B. & Mittermeier R.A., 2014. An updated taxonomy and conservation status review of Asian primates. Asian Primates Journal 4(1), 2-38.



Page Last Updated: 1 July 2022

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