Proboscis Monkey

Proboscis Monkey

Nasalis larvatus

Silhouette: PhyloPic

LCNTVUENEndangeredCR
Daily sighting probability ~30% · Possible
at Kubah National Park

In 3 days ~60% in a week ~90%

47 Verified sightings at Kubah National Park From 2019 to 2026
1,374 In all 5 parks
March Best month
☀️ Diurnal When it's spotted

About the Proboscis Monkey

The proboscis monkey or long-nosed monkey (Nasalis larvatus) is an arboreal Old World monkey with an unusually large nose (or proboscis), a reddish-brown skin color and a long tail. It is endemic to the Southeast Asian island of Borneo and is found mostly in mangrove forests and on the coastal areas of the island.

This species co-exists with the Bornean orangutan and monkeys such as the silvery lutung. It belongs in the monotypic genus Nasalis. The proboscis monkey belongs to the subfamily Colobinae of the Old World monkeys. However, the difference between the subspecies is small, and not all authorities recognise N. l. orientalis.

The genus name Nasalis comes from the Latin word nasus meaning "nose". This animal was made known to Westerners by Baron Friedrich von Wurmb in 1781, he later sent specimens of it to Stamford Raffles in Europe. The proboscis monkey is a large species, being one of the largest monkey species native to Asia. Only the Tibetan macaque...

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Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Tanjung Puting National Park 🇮🇩 Indonesia
~80%
2 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
~80%
3 Bako National Park 🇲🇾 Malaysia
~80%
4 Sepilok 🇲🇾 Malaysia
~40%
5 Kubah National Park 🇲🇾 Malaysia
~30%

Zoos & Centres Where Found

# Zoo / Centre Country
1 Taman Safari Bali (Bali Safari) 🇮🇩 Indonesia In captivity
2 Sepilok Orang Utan Rehabilitation Centre 🇲🇾 Malaysia In captivity
3 Bronx Zoo 🇺🇸 United States In captivity
4 Chimelong Safari Park 🇨🇳 China In captivity
5 Lok Kawi Wildlife Park 🇲🇾 Malaysia In captivity
6 Surabaya Zoo 🇮🇩 Indonesia In captivity
7 Johor Zoo 🇲🇾 Malaysia In captivity
8 Taman Safari Indonesia 2 🇮🇩 Indonesia In captivity
9 The Green Connection 🇲🇾 Malaysia In captivity

Before you go

What are the chances of seeing a Proboscis Monkey in Kubah National Park?

Possible

About 30% of wildlife watchers report a Proboscis Monkey sighting in Kubah National Park on a given day, based on 47 verified sightings from GBIF citizen-science data from 2019 to 2026. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.

When is the best time to see a Proboscis Monkey in Kubah National Park?

February–March and September

In those months about 40% of wildlife watchers report a Proboscis Monkey in Kubah National Park on a given day, against under 5% in December, the lowest month.

What time of day is best to see a Proboscis Monkey?

Between 3 and 6 pm

Across all the parks we cover, that three-hour window holds the most Proboscis Monkey sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Where does the Proboscis Monkey sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Proboscis Monkey is recorded against all the mammals logged in Kubah National Park (47 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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