Thoughtful Proboscis Monkey.
Tired Proboscis Monkey.
2 playful Proboscis Monkeys sitting on a branch.


They inhabit coastal mangroves along rivers and estuaries, swamp-land, lowland rainforest and riverine forests. They venture occasionally on land to find food.


Being folivorous and frugivorous creatures, they feed upon fruits, seeds, young leaves and shoots of mangroves, with caterpillars, larvae and other invertebrates.


They are considered to be endangered, according to the IUCN Red List. Their exact population in the wild forests in currently unknown to mankind.


SCIENTIFIC NAME: Nasalis larvatus

SPEED: 24 km / h

LENGTH: 53 - 76 cm

WEIGHT: 250 - 320 kg

TYPE: Mammals

BEHAVIOUR: Highly arboreal species, live in organized harem groups

COLOUR: Brown, Grey, Red, White, Tan or Orange

LIFESPAN: 13 - 23 years

LITTER SIZE: 1 infant


Growls are made by males and are used to calm the group members

Honks are made by males as a threat or to warn of predators

Shrieks are made by juveniles to show agitation or excitement

Screams are given during agonistic encounters


Important source of prey for potential predators

Natural Predators


Clouded Leopards





The massive noses of male individuals help them produce loud bellowing sounds

It helps them alarm others and attract females

The large nose becomes red and swollen if the male is angry or excited

They are capable of swimming 20 m underwater to hide from predators

partially webbed feet which help it to both paddle in the water and walk on the slippery banks

Stomachs capable of regurgitation, similar to cows

World Monkey Day

14th December

Flip To Know My Threats. 👇
Proboscis Monkeys sitting in a deforested. patch of land.


1. Their coastal habitats have been converted into shrimp farms.

2. Their rainforest habitats have also been cleared for timber, settlement, and palm oil plantations.

3. Frequent forest fires causes starvation and habitat destruction.

4. They are hunted for food and for their intestinal bezoar stones, which are used in traditional medicine.

5. Logging of mangrove stands along riverbanks removes its only protection.


I Live Here... ⬇

I Live Here... ⬇