Scientific Classification
Common Name
Proboscis Monkey
Scientific Name
Nasalis larvatus
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Primates
Family
Cercopithecidae
Subfamily
Colobinae
Genus
Nasalis
Species
Nasalis larvatus
All About Proboscis Monkey
Description
Proboscis monkeys have reddish-brown fur, long tails, pale bellies, and pot-shaped stomachs. Males are much larger than females.
Size
Body Length: 53–76 cm
Tail Length: 55–75 cm
Weight
Males: 16–24 kg
Females: 7–12 kg
Diet
They eat leaves, fruits, seeds, and young shoots.
Range
Proboscis monkeys are found only in Borneo, an island shared by Indonesia, Malaysia, and Brunei.
Habitat
They live in: Mangrove forests, Riverine forests, Swamp forests and Coastal forests
Behavior
Proboscis monkeys live in groups, are active during the day, and are excellent swimmers. They often stay near rivers and sleep in trees at night.
Gestation Period
The gestation period of a Proboscis Monkey is about 166 days (around 5 to 6 months).
Predators
Clouded leopards, crocodiles, pythons, and large birds prey on them.
Threats
Habitat loss, deforestation, and hunting are their biggest threats.
Life Span
Around 20 years in the wild.
Conservation Status
Endangered
Proboscis Monkey Interesting Facts
- Only male proboscis monkeys have huge noses.
- They are among the best swimming monkeys in the world.
- Webbed feet help them swim better.
- Their stomach has multiple chambers like a cow.
- Babies are born with blue faces.
- They can leap from trees into rivers.
- They are found nowhere else on Earth except Borneo.
