Brown Rat Snake
Ptyas fusca
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusPtyas (Asian Rat Snakes)
- SpeciesPtyas fusca (Brown Rat Snake)
Ptyas fusca, commonly known as the white-bellied rat snake or brown rat snake, is a species of colubrid snake. It is found in Indonesia, Brunei, Malaysia, Thailand and Singapore. The white-bellied rat snake prefers forested habitats. They are known to prey on frogs and lizards and fish. It is known to remain still and hold neck erect when disturbed-a threatening posture. The adults range from brown to brick-red colour on the upper surface. Wikipedia →
10–20% of wildlife watchers report a Brown Rat Snake sighting in Danum Valley Conservation Area, based on 5 days of visitor records from GBIF citizen-science data.
Closest Relatives at Danum Valley Conservation Area
Gray Bronzeback
Dendrelaphis caudolineatus
Triangle Keelback
Xenochrophis trianguligerus
Paradise Flying Snake
Chrysopelea paradisi
Dog-toothed Cat Snake
Boiga cynodon
Brown Whip Snake
Dryophiops rubescens
Red-tailed Green Ratsnake
Gonyosoma oxycephalum
Grabowsky's Reed Snake
Calamaria grabowskyi
Banded Flying Snake
Chrysopelea pelias
Elegant Bronzeback
Dendrelaphis formosus
Oriental Whipsnake
Ahaetulla prasina
White-spotted Cat Snake
Boiga drapiezii
Pink-headed Reed Snake
Calamaria schlegeli
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
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 | Kinabalu Park | 🇲🇾 Malaysia | |
| 2 | Khao Sok National Park | 🇹🇭 Thailand | |
| 3 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 4 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 5 | Kerinci Seblat National Park | 🇮🇩 Indonesia | |
| 6 | Khao Luang National Park | 🇹🇭 Thailand |
Quick answers
What are the chances of seeing a Brown Rat Snake in Danum Valley Conservation Area?
About 13% of wildlife watchers report a Brown Rat Snake sighting in Danum Valley Conservation Area, based on 5 days of visitor records from GBIF citizen-science data.
When is the best time to see Brown Rat Snake in Danum Valley Conservation Area?
February has the highest sighting rate for Brown Rat Snake in Danum Valley Conservation Area in our monthly data.