Chinese Ratsnake

Chinese Ratsnake

Ptyas korros

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Khao Yai National Park
20 Verified records at Khao Yai National Park
November Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

Ptyas korros, commonly known as the Chinese rat snake or Indo-Chinese rat snake, is a species of colubrid snake endemic to Southeast Asia. Wikipedia →

10–20% of wildlife watchers report a Chinese Ratsnake sighting in Khao Yai National Park, based on 20 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

5–10
Jan
10–20
Feb
<5
Mar
20–30
Apr
20–30
May
10–20
Jun
20–30
Jul
<5
Aug
10–20
Sep
10–20
Oct
20–30
Nov
5–10
Dec

🌅 When They're Spotted

Most active at dawn and dusk · across all parks (global)

🌅Crepuscular
☀️🌙🌙12am6am12pm6pm12am

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 Cat Tien National Park 🇻🇳 Vietnam
20–30%
2 Khao Sok National Park 🇹🇭 Thailand
10–20%
3 Khao Yai National Park 🇹🇭 Thailand
10–20%
4 Kaeng Krachan National Park 🇹🇭 Thailand
10–20%
5 Doi Inthanon National Park 🇹🇭 Thailand
10–20%
6 Khao Luang National Park 🇹🇭 Thailand
Insufficient data
7 Cuc Phuong National Park 🇻🇳 Vietnam
Insufficient data
8 Royal Manas National Park 🇧🇹 Bhutan
Insufficient data
9 Kerinci Seblat National Park 🇮🇩 Indonesia
Insufficient data

Quick answers

What are the chances of seeing a Chinese Ratsnake in Khao Yai National Park?

About 13% of wildlife watchers report a Chinese Ratsnake sighting in Khao Yai National Park, based on 20 days of visitor records from GBIF citizen-science data.

When is the best time to see Chinese Ratsnake in Khao Yai National Park?

November has the highest sighting rate for Chinese Ratsnake in Khao Yai National Park in our monthly data.

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