Common Mock Viper
Common Mock ViperCommon Mock ViperCommon Mock ViperCommon Mock Viper

Common Mock Viper

Psammodynastes pulverulentus

Silhouette: SeismicShrimp · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Khao Yai National Park
7 Verified sightings at Khao Yai National Park From 2019 to 2026
179 Verified sightings across all 17 parks From 2019 to 2026
September Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Common Mock Viper

Psammodynastes pulverulentus, the common mock viper, is a species of snake native to Asia. It is a small snake (total length up to 65 cm (26 in), less in males), and it will form defensive coils and strike in a viper-like fashion when threatened, although it is harmless to humans.

The common mock viper is known from Bangladesh, Myanmar (Burma), Cambodia, China (Fujian, Yunnan, Guangxi, Guangdong, Hainan, Hong Kong), north-eastern India (Assam, Sikkim, Darjeeling; Jalpaiguri; Meghalaya, Arunachal Pradesh), Bhutan, Indonesia (Bali, Bangka, Borneo, Butung, Enggano, Flores, Java, Kalimantan, Komodo, Lombok, Mentawai Archipelago, Natuna Archipelago, Padar, Riau Archipelago, Rinca, Sangihe Archipelago, Sulawesi, Sula Archipelago, Sumatra, Sumba, Sumbawa, Togian Archipelago), Laos, Malaysia (Malaya and East Malaysia, Pulau Tioman), Nepal, the Philippines (Balabac, Basilan, Bohol, Bongao, Busuanga, Dinagat, Jolo, Leyte, Luzon, Mindanao, Negros, Palawan, Panay, Polillo, Samar), Taiwan, Thailand (incl. Phuket), and Vietnam. It has been reported from Singapore.

Subspecies Psammodynastes pulverulentus papenfussi is endemic to Taiwan. Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Cat Tien National Park 🇻🇳 Vietnam
~40%
2 Cuc Phuong National Park 🇻🇳 Vietnam
~30%
3 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
~30%
4 Danum Valley Conservation Area 🇲🇾 Malaysia
~20%
5 Kinabalu Park 🇲🇾 Malaysia
~20%
6 Kaeng Krachan National Park 🇹🇭 Thailand
~20%
7 Khao Yai National Park 🇹🇭 Thailand
~10%
8 Namdapha National Park 🇮🇳 India
Insufficient data
9 Komodo National Park 🇮🇩 Indonesia
Insufficient data
10 Tanjung Puting National Park 🇮🇩 Indonesia
Insufficient data
11 Royal Manas National Park 🇧🇹 Bhutan
Insufficient data
12 Kerinci Seblat National Park 🇮🇩 Indonesia
Insufficient data
13 Chitwan National Park 🇳🇵 Nepal
Insufficient data
14 Doi Inthanon National Park 🇹🇭 Thailand
Insufficient data
15 Taroko National Park 🇹🇼 Taiwan
Insufficient data
16 Sepilok 🇲🇾 Malaysia
Insufficient data
17 Khao Sok National Park 🇹🇭 Thailand
Insufficient data

Quick answers

What are the chances of seeing a Common Mock Viper in Khao Yai National Park?

About 10% of wildlife watchers report a Common Mock Viper sighting in Khao Yai National Park, based on 7 verified sightings from GBIF citizen-science data.

When is the best time to see Common Mock Viper in Khao Yai National Park?

September has the highest sighting rate for Common Mock Viper in Khao Yai National Park in our monthly data.

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