Red-tailed Green Ratsnake
Gonyosoma oxycephalum
Silhouette: Alex Slavenko · PhyloPic
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassSquamata
- FamilyColubridae (Colubrid Snakes)
- GenusGonyosoma (Redtail Rat Snakes)
- SpeciesGonyosoma oxycephalum (Red-tailed Green Ratsnake)
About the 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.
G. oxycephalumm is found in Indonesia (Bangka, Belitung, Java, Kalimantan/Borneo, Karimata, Legundi, Lombok, Mentawai islands, Natuna islands, Nias, Panaitan, Riau archipelago, Sebuku, Sumatra, Tambelan archipelago), Malaysia (Malaya and East Malaysia, Pulau Tioman ?),
Singapore Island, Penang Island, India (Andaman Islands), Myanmar, Thailand (incl. Phuket), Cambodia, Laos, Vietnam, Philippine Islands (Balabac, Bohol, Catanduanes, Lubang, Luzon, Negros, Palawan, Sulu Archipelago, Panay).
The type locality is Indonesia: Java (F. Boie, 1827). G. oxycephalum is a robust powerful snake, with wide smooth scales on its belly that are ideal for climbing trees and across branches. It has smaller, smooth scales on its back, which is usually bright green or light green and may have a black net-like pattern. A gray-colored morph with a yellow head exists in Panay, in the Philippines.
As some of its... Wikipedia →
Recent sightings of Red-tailed Green Ratsnake in Khao Yai National Park
LIVEiNaturalistClosest Relatives at Khao Yai National Park
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Ahaetulla prasina
Golden Tree Snake
Chrysopelea ornata
Yellow-Spotted Keelback
Fowlea flavipunctatus
Chinese Ratsnake
Ptyas korros
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Dendrelaphis ngansonensis
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Oligodon fasciolatus
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Specklebelly Keelback
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Common Bronze-back
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Global Distribution
Warmer areas are where this animal is recorded most often.
Parks Where Found
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Khao Sok National Park | 🇹🇭 Thailand | |
| 2 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 3 | Sepilok | 🇲🇾 Malaysia | |
| 4 | Taman Negara National Park | 🇲🇾 Malaysia | |
| 5 | Cat Tien National Park | 🇻🇳 Vietnam | |
| 6 | Kinabalu Park | 🇲🇾 Malaysia | |
| 7 | Khao Yai National Park | 🇹🇭 Thailand | |
| 8 | Gunung Leuser National Park | 🇮🇩 Indonesia | |
| 9 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 10 | Kaeng Krachan National Park | 🇹🇭 Thailand | |
| 11 | Khao Luang National Park | 🇹🇭 Thailand |
Quick answers
What are the chances of seeing a Red-tailed Green Ratsnake in Khao Yai National Park?
About 10% of wildlife watchers report a Red-tailed Green Ratsnake sighting in Khao Yai National Park, based on 10 verified sightings from GBIF citizen-science data.
When is the best time to see Red-tailed Green Ratsnake in Khao Yai National Park?
August has the highest sighting rate for Red-tailed Green Ratsnake in Khao Yai National Park in our monthly data.