Bornean Pit Viper
Trimeresurus borneensis
A green arboreal pit viper endemic to Borneo, common in lowland and hill forest.
- Venomous?
- Venomous
- Adult length
- 0.6-1.0 m (2-3.3 ft)
- Range
- Borneo
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Overview
The Bornean pit viper is a widespread arboreal species restricted to the island of Borneo, occupying a range of forest types from lowland to hill elevations. It is one of the more commonly encountered green pitvipers on the island.
Like other Trimeresurus, it relies on cryptic green coloration and ambush hunting from perches in vegetation.
How to identify it
- Bright to olive green dorsum, often with a pale lateral stripe (more prominent in males)
- Reddish or pale tail tip
- Triangular head, vertical pupils
- Keeled scales giving rough texture
- Distinguished from other Bornean Trimeresurus by scale counts and lateral stripe pattern
Habitat & range
Occupies lowland rainforest, hill forest, and forest edge across Borneo, often near streams or in vegetation at low to moderate heights.
Behavior, diet & reproduction
Nocturnal and arboreal, coiling on low branches and shrubs. Feeds on frogs, lizards, small mammals, and birds. Ambush predator using heat-sensing pits. Viviparous, giving birth to live young.
Frequently asked questions
Is the Bornean pit viper venomous?
Yes, it is a venomous arboreal pit viper.
Where is it endemic to?
It is endemic to the island of Borneo.
How can it be recognized?
By its green body, often with a pale lateral stripe, and a reddish tail tip.
Is it commonly seen?
It is one of the more frequently encountered green pitvipers in Bornean forests.
Bornean Pit Viper guides
In-depth guides for identifying and understanding Bornean Pit Viper.
