Mertens's Water Monitor

Mertens's Water Monitor

Varanus mertensi

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
20–30% · Possible
overall probability at Kakadu National Park

📅 Monthly Probability

30–40
Jan
50–60
Feb
30–40
Mar
40–50
Apr
30–40
May
20–30
Jun
20–30
Jul
<5
Aug
<5
Sep
30–40
Oct
20–30
Nov
40–50
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙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 Litchfield National Park 🇦🇺 Australia
80–90%
2 Nitmiluk National Park 🇦🇺 Australia
30–40%
3 Kakadu National Park 🇦🇺 Australia
20–30%

Quick answers

What are the chances of seeing a Mertens's Water Monitor in Kakadu National Park?

About 28% of visitor-days record a Mertens's Water Monitor sighting in Kakadu National Park, based on 27 observer-days of citizen-science data from GBIF.

When is the best time to see Mertens's Water Monitor in Kakadu National Park?

February has the highest sighting rate for Mertens's Water Monitor in Kakadu National Park in our monthly data.

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