Mammals · Primates · Cercopithecidae

Northern Plains Gray Langur

Semnopithecus entellus

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk. See full glossary

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It is considered a sacred animal in Hindu tradition, associated with the monkey god Hanuman.

Weight

9.5 kg – 19.5 kg

Size

65 cm – 75 cm

Lifespan

20 years

Diet

Herbivore

Feeds mainly on plants.

Activity

Diurnal

Active mainly during the day.

Social structure

Herd

Lives in large groups as a strategy against predators.

Sighting difficulty

Easy

RainforestTemperate forestHerbivore Diurnal In herds Rainforest Temperate forest Mammal

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Fun facts

Legend explains the black markings on its face and hands as scars from the burns Hanuman suffered.
It eats leaves, fruit, seeds and flowers.
It lives in a wide range of habitats across southern Asia, including large cities.

Life cycle & biology

Skeleton type: Vertebrate - internal bony skeleton (mammal)
Habitat & environment: A wide range of habitats from arid country to tropical rainforest across southern Asia, including large cities such as Jodhpur
Birth weight: ~500 g at birth
Size at birth: ~500 g at birth
Sexual maturity: Female: ~3 years | Male: ~4-5 years
Gestation / incubation: 190-212 days (~6-7 months)
Litter / clutch size: 1 young per birth (twins rare)
Lifespan in captivity: Documented record of up to 29 years

Sources consulted: AnAge (genomics.senescence.info); PubMed (life history study); Zoo Parc de Tregomeur; The Website of Everything; UCSD Placentation; Animal Diversity Web; Apenheul; Wikipedia (Northern plains gray langur)