Red-tailed Green Ratsnake
Gonyosoma oxycephalum
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusGonyosoma (Redtail Rat Snakes)
- SpeciesGonyosoma oxycephalum (Red-tailed Green Ratsnake)
Gonyosoma oxycephalum, known commonly as the arboreal ratsnake, the red-tailed green rat snake, and the red-tailed racer, is a species of snake in the family Colubridae. The species is endemic to Southeast Asia. It was first described by Friedrich Boie in 1827. Wikipedia →
5–10% of wildlife watchers report a Red-tailed Green Ratsnake sighting in Kaeng Krachan National Park, based on 8 days of visitor records from GBIF citizen-science data.
Closest Relatives at Kaeng Krachan National Park
Blue-eyed Bush Rat Snake
Gonyosoma coeruleum
Oriental Whipsnake
Ahaetulla prasina
Golden Tree Snake
Chrysopelea ornata
Small-banded Kukri Snake
Oligodon fasciolatus
Common Bronze-back
Dendrelaphis pictus
Chinese Ratsnake
Ptyas korros
Chequered Keelback
Fowlea piscator
Tawny Cat Snake
Boiga multomaculata
Common Wolf Snake
Lycodon capucinus
sawtooth-necked bronzeback
Dendrelaphis nigroserratus
Eyed Cat Snake
Boiga siamensis
Collared Black-headed Snake
Sibynophis collaris
📅 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 | Khao Sok National Park | 🇹🇭 Thailand | |
| 2 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 3 | Cat Tien National Park | 🇻🇳 Vietnam | |
| 4 | Kinabalu Park | 🇲🇾 Malaysia | |
| 5 | Khao Yai National Park | 🇹🇭 Thailand | |
| 6 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 7 | Kaeng Krachan National Park | 🇹🇭 Thailand | |
| 8 | Khao Luang National Park | 🇹🇭 Thailand |
Quick answers
What are the chances of seeing a Red-tailed Green Ratsnake in Kaeng Krachan National Park?
About 7% of wildlife watchers report a Red-tailed Green Ratsnake sighting in Kaeng Krachan National Park, based on 8 days of visitor records from GBIF citizen-science data.
When is the best time to see Red-tailed Green Ratsnake in Kaeng Krachan National Park?
June has the highest sighting rate for Red-tailed Green Ratsnake in Kaeng Krachan National Park in our monthly data.