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  3. Rhesus Monkey

One of the 6 macaques on WAnimals

Rhesus Monkey (Macaca mulatta)

Mammals · Primates · Cercopithecidae

Rhesus Monkey

Macaca mulatta

Least Concern

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

Spotted something wrong?

It gives its name to the Rh blood group system (the Rhesus factor), discovered in 1940 through experiments on this species.

Weight

5.3 kg – 7.7 kg

Size

47 cm – 53 cm

Life expectancy

15 years

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Diurnal

Active mainly during the day.

Social structure

Family group

Lives in small family groups with close bonds.

RainforestTemperate forest
10countries11parks44same family

AI-generated images: illustrations, not photographs.

Fun facts

  • It is one of the non-human primates most used in biomedical research worldwide.
  • It eats roots, grasses, fruit, insects, crops and small animals.
  • It occupies a wide range of habitats across Central, South and East Asia, including towns and temples.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
A wide range of habitats across Central, South and East Asia: forest, towns and temples
Birth weight
400 - 500 grams
Size at birth
Wholly dependent at birth
Sexual maturity
Female: 3 years | Male: 4 years
Gestation / incubation
135-194 days (usual reference ~165 days)
Litter / clutch size
1 young (twins rare)
Life expectancy in captivity
15-25 years in captivity (documented record of up to 40 years)

Sources consulted: Wikidoc · ScienceDirect (Basic Physiology) · A-Z Animals · Animalia.bio · Animal Diversity Web · AnAge (genomics.senescence.info) · PMC (behavioral organization study)

Where to find it

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 11.

Related species

Other species in the catalogue with the most in common with Rhesus Monkey — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Shares a park

Related guides

Keep exploring

Based on what we already know about rhesus monkey.

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See full glossary
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See its range on the interactive map→
SundarbansIndia
ZhangjiajieChina
Phong Nha-Ke BangVietnam
Sundarbans Forest ReserveBangladesh
BandhavgarhIndia
BardiyaNepal
Ba BeVietnam
ParsaNepal
Wuyi MountainsChina
Cuc PhuongVietnam
See all 11 parks
Northern Plains Gray LangurLeast Concern

Northern Plains Gray Langur

Semnopithecus entellus

Long-tailed MacaqueEndangered

Long-tailed Macaque

Macaca fascicularis

Assamese MacaqueNear Threatened

Assamese Macaque

Macaca assamensis

Endangered

Hatinh Langur

Trachypithecus hatinhensis

Japanese MacaqueLeast Concern

Japanese Macaque

Macaca fuscata

Least Concern

Indian Peafowl

Pavo cristatus

Where to see Rhesus Monkey10 places
CountriesChina
ParksSundarbansIndia
TagsOmnivore
Omnivore
Diurnal
Family group
Rainforest
Temperate forest
Mammal
China
Vietnam
India
Nepal
Bangladesh
Afghanistan
Afghanistan
Bangladesh
Bhutan
China
India
Myanmar
Nepal
Pakistan
Sri Lanka
Vietnam