Tarai Gray Langur
Tarai Gray LangurTarai Gray LangurTarai Gray LangurTarai Gray Langur

Tarai Gray Langur

Semnopithecus hector

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Chitwan National Park
6 Verified records at Chitwan National Park
March Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

The Tarai gray langur (Semnopithecus hector) is an Old World monkey, and was formerly considered a subspecies of the northern plains gray langur. The species is listed as near threatened, as there are probably not many more than 10,000 mature individuals, and it is experiencing a continuing decline. Wikipedia →

10–20% of wildlife watchers report a Tarai Gray Langur sighting in Chitwan National Park, based on 6 days of visitor records from GBIF citizen-science data.

Closest Relatives at Chitwan National Park

Himalayan Langur
LC

Himalayan Langur

🌅 Crepuscular Mammal

Semnopithecus schistaceus

40–50% · Likely
Northern Plains Gray Langur
LC

Northern Plains Gray Langur

🌅 Crepuscular Mammal

Semnopithecus entellus

Insufficient data
Rhesus Macaque
LC

Rhesus Macaque

🌅 Crepuscular Mammal

Macaca mulatta

50–60% · Likely
Assam Macaque
NT

Assam Macaque

🌅 Crepuscular Mammal

Macaca assamensis

Insufficient data

📅 Monthly Probability

10–20
Jan
<5
Feb
20–30
Mar
20–30
Apr
20–30
May
5–10
Jun
5–10
Jul
5–10
Aug
5–10
Sep
<5
Oct
10–20
Nov
<5
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 Jim Corbett National Park 🇮🇳 India
20–30%
2 Chitwan National Park 🇳🇵 Nepal
10–20%
3 Royal Bardia National Park 🇳🇵 Nepal
Insufficient data

Quick answers

What are the chances of seeing a Tarai Gray Langur in Chitwan National Park?

About 15% of wildlife watchers report a Tarai Gray Langur sighting in Chitwan National Park, based on 6 days of visitor records from GBIF citizen-science data.

When is the best time to see Tarai Gray Langur in Chitwan National Park?

March has the highest sighting rate for Tarai Gray Langur in Chitwan National Park in our monthly data.

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