Proboscis Monkey

The Proboscis Monkey (Nasalis larvatus) is a species of primate native to the rainforests of Borneo. It is a unique and bizarre animal, with a massive, fleshy nose.

The Proboscis Monkey is a crucial part of the ecosystem.

Proboscis Monkey

Proboscis Monkey

Classification

Mammalia > Primates > Cercopithecidae > Nasalis > N. larvatus

Native To

Conservation Status

Average Height

2 - 2.5 feet
(0.6 - 0.8 m)

Average Weight

35 - 50 lbs
(16 - 23 kg)

Average Life Span

20 years

Gestation Period

160 - 170 days

Diet

Herbivore (leaves, fruits)

Social Structure

Troop

Did You Know?

The Proboscis Monkey is known for its unusually large, fleshy nose, especially prominent in males. Scientists believe this large nose helps them attract mates and amplify their calls.

They are excellent swimmers and can often be seen diving into rivers from trees, using their webbed feet and hands to navigate the water.

Proboscis Monkeys are arboreal, meaning they spend most of their lives in trees, primarily in the mangrove forests and lowland rainforests of Borneo.

Their diet consists mainly of leaves and unripe fruits, which is why they have a specialized digestive system to process the tough plant material.

They are social animals and live in groups, often led by a single adult male with several females and their offspring.

Young Proboscis Monkeys are born with a blue face, which gradually changes to a reddish-brown or grey as they mature.

Sadly, the Proboscis Monkey is an endangered species due to habitat loss and fragmentation.

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