Javan Lutung
Javan LutungJavan LutungJavan Lutung

Javan Lutung

Trachypithecus auratus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
40–50% · Likely
overall probability at Bali Barat National Park
23 Verified records at Bali Barat National Park
July Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

The East Javan langur (Trachypithecus auratus), also known as the ebony lutung, Javan langur or Javan lutung, is an Old World monkey from the Colobinae subfamily. It is most commonly glossy black with a brownish tinge to its legs, sides, and "sideburns". It is found on the island of Java, as well as on several of the surrounding Indonesian islands. The Latin word auratus in its scientific name means "golden" and refers to a less common color variant. The common name golden langur refers to a different species. Wikipedia →

40–50% of wildlife watchers report a Javan Lutung sighting in Bali Barat National Park, based on 23 days of visitor records from GBIF citizen-science data.

Closest Relatives at Bali Barat National Park

Crab-eating Macaque
EN Endemic

Crab-eating Macaque

🌅 Crepuscular Mammal

Macaca fascicularis

50–60% · Likely

📅 Monthly Probability

30–40
Jan
50–60
Feb
40–50
Mar
30–40
Apr
10–20
May
20–30
Jun
60–70
Jul
50–60
Aug
10–20
Sep
10–20
Oct
30–40
Nov
40–50
Dec

🌅 When They're Spotted

Most active at dawn and dusk · across all parks (global)

🌅Crepuscular
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Bali Barat National Park 🇮🇩 Indonesia
40–50%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Javan Lutung in Bali Barat National Park?

About 42% of wildlife watchers report a Javan Lutung sighting in Bali Barat National Park, based on 23 days of visitor records from GBIF citizen-science data.

When is the best time to see Javan Lutung in Bali Barat National Park?

July has the highest sighting rate for Javan Lutung in Bali Barat National Park in our monthly data.

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