Borneo Pit Viper

Borneo Pit Viper

Craspedocephalus borneensis

Silhouette: Vijay Karthick · PhyloPic

Daily sighting probability ~20% · Possible
at Kinabalu Park
15 Verified sightings at Kinabalu Park From 2019 to 2026
30 Verified sightings across all 3 parks From 2019 to 2026
February Best month highest sighting rate
🌅 Crepuscular When it's spotted at dawn and dusk

About the Borneo Pit Viper

Craspedocephalus borneensis, commonly known as the Bornean pit viper, is a venomous pit viper species endemic to the island of Borneo. No subspecies are currently recognized. Scalation includes 19–21 rows of dorsal scales at midbody, 152–180 ventral scales, undivided anal scale, 45–58 divided subcaudal scales, and 8–11 supralabial scales.

Its coloration varies. Individuals may be brown with darker brown saddles, or light brown with a few darker markings, or even bright yellow with darker markings. Adults may attain 83 cm (33 in) in snout-vent length (SVL).

Craspedocephalus borneensis is found on the island of Borneo (Brunei, Kalimantan, Sabah, Sarawak) as well as in the Natuna Islands. The type locality given is "Sarawack" (= Sarawak, Borneo). It is found in forests below an altitude of 1,130 m (3,710 ft). Even though the tail is prehensile, adults are usually on the forest floor. Juveniles may be in low vegetation.

Craspedocephalus borneensis preys upon small rodents and small birds. Whether this species of Craspedocephalus lays eggs or bears live young is as yet unknown. Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Kinabalu Park 🇲🇾 Malaysia
~20%
2 Sepilok 🇲🇾 Malaysia
~10%
3 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
Insufficient data

Quick answers

What are the chances of seeing a Borneo Pit Viper in Kinabalu Park?

About 20% of wildlife watchers report a Borneo Pit Viper sighting in Kinabalu Park, based on 15 verified sightings from GBIF citizen-science data.

When is the best time to see Borneo Pit Viper in Kinabalu Park?

February has the highest sighting rate for Borneo Pit Viper in Kinabalu Park in our monthly data.

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