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 Khao Sok National Park, based on 7 days of visitor records from GBIF citizen-science data.
Closest Relatives at Khao Sok National Park
Chinese Ratsnake
Ptyas korros
Keeled Rat Snake
Ptyas carinata
Western Mangrove Cat Snake
Boiga melanota
Banded Keelback
Rhabdophis nigrocinctus
Red-tailed Green Ratsnake
Gonyosoma oxycephalum
Oriental Whipsnake
Ahaetulla prasina
Elegant Bronzeback
Dendrelaphis formosus
Triangle Keelback
Xenochrophis trianguligerus
Beauty Rat Snake
Elaphe taeniura
Golden Tree Snake
Chrysopelea ornata
Laotian Wolf Snake
Lycodon laoensis
Green Cat Snake
Boiga cyanea
📅 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 Khao Sok National Park?
About 14% of wildlife watchers report a Brown Rat Snake sighting in Khao Sok National Park, based on 7 days of visitor records from GBIF citizen-science data.
When is the best time to see Brown Rat Snake in Khao Sok National Park?
June has the highest sighting rate for Brown Rat Snake in Khao Sok National Park in our monthly data.