Brown Tree Snake

Brown Tree Snake

Boiga irregularis

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
40–50% · Likely
overall probability at Litchfield National Park

📅 Monthly Probability

60–70
Jan
70–80
Feb
60–70
Mar
60–70
Apr
70–80
May
20–30
Jun
20–30
Jul
40–50
Aug
40–50
Sep
50–60
Oct
60–70
Nov
10–20
Dec

☀️🌙 When They're Spotted

Active throughout day and night · across all parks (global)

☀️🌙Day & Night
☀️🌙🌙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
40–50%
2 Daintree National Park 🇦🇺 Australia
30–40%
3 Kakadu National Park 🇦🇺 Australia
20–30%
4 Nitmiluk National Park 🇦🇺 Australia
20–30%
5 Lamington National Park 🇦🇺 Australia
10–20%
6 Springbrook National Park 🇦🇺 Australia
10–20%
7 Noosa National Park 🇦🇺 Australia
Insufficient data
8 Lorentz National Park 🇮🇩 Indonesia
Insufficient data
9 Royal National Park 🇦🇺 Australia
Insufficient data
10 Blue Mountains National Park 🇦🇺 Australia
Insufficient data

Quick answers

What are the chances of seeing a Brown Tree Snake in Litchfield National Park?

About 49% of visitor-days record a Brown Tree Snake sighting in Litchfield National Park, based on 30 observer-days of citizen-science data from GBIF.

When is the best time to see Brown Tree Snake in Litchfield National Park?

May has the highest sighting rate for Brown Tree Snake in Litchfield National Park in our monthly data.

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