Kramer's Pit Viper

Kramer's Pit Viper

Trimeresurus macrops

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Khao Yai National Park

Closest Relatives at Khao Yai National Park

Vogel’s Pit Viper
LC

Vogel’s Pit Viper

🌅 Crepuscular Reptile

Trimeresurus vogeli

50–60% · Likely
White-lipped Pit Viper
LC

White-lipped Pit Viper

☀️ Diurnal Reptile

Trimeresurus albolabris

Insufficient data
Siamese Russell's Viper
LC

Siamese Russell's Viper

Reptile

Daboia siamensis

Insufficient data

📅 Monthly Probability

10–20
Jan
10–20
Feb
10–20
Mar
<5
Apr
50–60
May
20–30
Jun
40–50
Jul
30–40
Aug
20–30
Sep
40–50
Oct
30–40
Nov
10–20
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙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 Khao Yai National Park 🇹🇭 Thailand
20–30%
2 Doi Inthanon National Park 🇹🇭 Thailand
Insufficient data

Quick answers

What are the chances of seeing a Kramer's Pit Viper in Khao Yai National Park?

About 28% of visitor-days record a Kramer's Pit Viper sighting in Khao Yai National Park, based on 35 observer-days of citizen-science data from GBIF.

When is the best time to see Kramer's Pit Viper in Khao Yai National Park?

May has the highest sighting rate for Kramer's Pit Viper in Khao Yai National Park in our monthly data.

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