Copperhead Rat Snake

Copperhead Rat Snake

Coelognathus radiatus

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Khao Sok National Park
7 Verified sightings at Khao Sok National Park From 2019 to 2026
25 Verified sightings across all 11 parks From 2019 to 2026
October Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Copperhead Rat Snake

Coelognathus radiatus, commonly known as the radiated ratsnake, copperhead rat snake, or copper-headed trinket snake, is a nonvenomous species of colubrid snake. These snakes are usually defensive in nature which makes it hard to catch or control them.

German: Strahlennatter English: Copperhead racer Copperhead rat snake Radiated rat snake Copper-headed trinket snake Thai: งูทางมะพร้าว, ngu taang mapao Myanmar: ငန်းစောင်း Laos:ງູສາ Malay: Ular Rusuk Kerbau Bengali (Bangladesh): দুধরাজ (Dudhraj), আরবালি সাপ (Arbali sap)

Vietnamese: rắn sọc dưa, rắn hổ ngựa Indonesia (Sumatra, Bangka, Borneo/Kalimantan, Java), Bali Malaysia and Brunei (Malaya and East Malaysia); Borneo, Singapore Island, Burma (Myanmar), Thailand (including Phuket), Koh Phangan

Laos, Cambodia, Vietnam, Japan (Ryukyu Islands), India (Assam, Arunachal Pradesh (Miao - Changlang district, Chessa, Chimpu, Itanagar - Papum Pare district) [A. Captain, pers. comm.]), Bangladesh, Nepal, South China (Fujian, Yunnan, Guangxi, Guangdong, Hong Kong),

Nepal Type locality: Java Barbour, Thomas (1912). Some Chinese Vertebrates: Amphibia and Reptilia... Wikipedia →

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
~10%
2 Royal Manas National Park 🇧🇹 Bhutan
Insufficient data
3 Kaziranga National Park 🇮🇳 India
Insufficient data
4 Khao Luang National Park 🇹🇭 Thailand
Insufficient data
5 Doi Inthanon National Park 🇹🇭 Thailand
Insufficient data
6 Jim Corbett National Park 🇮🇳 India
Insufficient data
7 Cat Tien National Park 🇻🇳 Vietnam
Insufficient data
8 Khao Yai National Park 🇹🇭 Thailand
Insufficient data
9 Chitwan National Park 🇳🇵 Nepal
Insufficient data
10 Kaeng Krachan National Park 🇹🇭 Thailand
Insufficient data
11 Taman Negara National Park 🇲🇾 Malaysia
Insufficient data

Quick answers

What are the chances of seeing a Copperhead Rat Snake in Khao Sok National Park?

About 10% of wildlife watchers report a Copperhead Rat Snake sighting in Khao Sok National Park, based on 7 verified sightings from GBIF citizen-science data.

When is the best time to see Copperhead Rat Snake in Khao Sok National Park?

October has the highest sighting rate for Copperhead Rat Snake in Khao Sok National Park in our monthly data.

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