One of the 9 langurs on WAnimals
Mammals · Primates · Cercopithecidae
Phayre’s Leaf-monkey
Trachypithecus phayrei
It faces a very high risk of extinction in the wild in the near future. See full glossary
Phayre's leaf monkey or spectacled langur is a primate with dark grey fur and characteristic white rings around the eyes and lips, which make it look as though it were wearing glasses. It lives in groups in the forests of north-eastern India, Bangladesh, Myanmar and northern Indochina. It is folivorous and digests mature leaves in a compartmented stomach. Forest fragmentation and hunting have taken it to the endangered category.
Weight
6 kg – 9 kg
Size
45 cm – 62 cm
Lifespan
25 years
Diet
Herbivore
Feeds mainly on plants.
Activity
Diurnal
Active mainly during the day.
Sighting difficulty
Hard
Fun facts
- The white rings around its eyes and lips give it the look of wearing glasses and a mask that makes it unmistakable among the Asian langurs.
- Its young are born a bright golden orange that contrasts with the grey of the adults, and every female in the group takes part in looking after them, a strongly marked form of cooperative care in this species.
Life cycle & biology
- Skeleton type
- Vertebrate - internal bony skeleton (mammal)
- Habitat & environment
- Humid evergreen rainforest, bamboo forest and plantations of north-eastern India and Indochina
- Sexual maturity
- 4 years
- Gestation / incubation
- 5.5 months
- Litter / clutch size
- 1
Sources consulted: https://es.wikipedia.org/wiki/Trachypithecus_phayrei
Where to find it
See its range on the interactive mapWhere to watch it
Parks and dive sites where this species has been documented.
Related species
Other species in the catalogue with the most in common with Phayre’s Leaf-monkey — same habitat, park, country, tags or family.
Southern Pig-tailed Macaque
Macaca nemestrina
EndangeredLong-tailed Macaque
Macaca fascicularis
Assamese Macaque
Macaca assamensis
Lion-tailed Macaque
Macaca silenus
Golden Snub-nosed Monkey
Rhinopithecus roxellana
Hatinh Langur
Trachypithecus hatinhensis
How to help
The phayre’s leaf-monkey is classified as endangered. Organizations such as UICN, WWF y Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programs is a good starting point if you want to get involved.
It's documented in 4 real protected areas — part of why protecting these places matters for its conservation.
Keep exploring
Based on what we already know about phayre’s leaf-monkey.
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