Purple-faced Langur
Semnopithecus vetulus
Red List assessment
Endangeredon the IUCN Red List
- EXExtinct
- EWExtinct in the Wild
- CRCritically Endangered
- ENEndangered
- VUVulnerable
- NTNear Threatened
- LCLeast Concern
The IUCN Red List assesses the Purple-faced Langur as Endangered.
- Genus
- Semnopithecus
- Red List category
- Endangered
- Data updated
- August 9, 2026
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The Purple-faced Langur is one of the mammals assessed by the IUCN Red List, so it has a page here — with its scientific name, Semnopithecus vetulus, its conservation category and, where one is known, a recorded observation on the map. What is missing is the rest: habitat, distribution, diet, behaviour, threats and the conservation work under way.
Each profile is researched and checked one species at a time, and there are thousands to go. You can put this one at the front of the queue.
In the meantime, the full assessment is on the IUCN Red List.
Questions about the Purple-faced Langur
Is the Purple-faced Langur endangered?
Yes. The IUCN Red List assesses the Purple-faced Langur as Endangered, one of the three threatened categories. The species faces a very high risk of extinction in the wild — a step below Critically Endangered, but still on a trajectory that ends badly without intervention.
What is the scientific name of the Purple-faced Langur?
The Purple-faced Langur is Semnopithecus vetulus.
Other species in the genus Semnopithecus
Sources
Conservation status, range description and population estimate come from the IUCN Red List assessment for Semnopithecus vetulus. Countries are derived from that range description, not from a mapped country list. Last refreshed on .
The distribution map is drawn from the IUCN Red List spatial data compiled in 2020. IUCN (International Union for Conservation of Nature)