Clouded Monitor
Clouded MonitorClouded MonitorClouded MonitorClouded Monitor

Clouded Monitor

Varanus nebulosus

50–60% · Likely
overall probability at Cat Tien National Park
111 Verified records at Cat Tien National Park
April Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

The clouded monitor (Varanus nebulosus) is a species of monitor lizard, native to Myanmar, Thailand and Laos, Vietnam, to West Malaysia, Singapore, Sumatra, and Java. They are excellent tree climbers. It belongs to the subgenus Empagusia along with the Bengal monitor, the Dumeril's monitor and other monitor lizards. It had previously been listed as a subspecies of Bengal monitor by some herpetologists. It is a diurnal monitor. Wikipedia →

50–60% of wildlife watchers report a Clouded Monitor sighting in Cat Tien National Park, based on 111 days of visitor records from GBIF citizen-science data.

Closest Relatives at Cat Tien National Park

Common Water Monitor
LC Endemic

Common Water Monitor

🌅 Crepuscular Reptile

Varanus salvator

10–20% · With luck

📅 Monthly Probability

40–50
Jan
40–50
Feb
60–70
Mar
60–70
Apr
50–60
May
60–70
Jun
50–60
Jul
50–60
Aug
30–40
Sep
60–70
Oct
60–70
Nov
30–40
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 Cat Tien National Park 🇻🇳 Vietnam
50–60%
2 Kaeng Krachan National Park 🇹🇭 Thailand
30–40%
3 Khao Sok National Park 🇹🇭 Thailand
30–40%
4 Khao Yai National Park 🇹🇭 Thailand
10–20%
5 Khao Luang National Park 🇹🇭 Thailand
Insufficient data

Quick answers

What are the chances of seeing a Clouded Monitor in Cat Tien National Park?

About 59% of wildlife watchers report a Clouded Monitor sighting in Cat Tien National Park, based on 111 days of visitor records from GBIF citizen-science data.

When is the best time to see Clouded Monitor in Cat Tien National Park?

April has the highest sighting rate for Clouded Monitor in Cat Tien National Park in our monthly data.

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