Snake Identifier
Vipers

Brongersma's Pit Viper

Trimeresurus brongersmai

A green Southeast Asian pit viper of Malay Peninsula forests, named for herpetologist Leo Brongersma.

Venomous?
Venomous
Adult length
0.5-0.8 m (1.6-2.6 ft)
Range
Peninsular Malaysia and parts of southern Thailand

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Overview

Brongersma's Pit Viper is a green arboreal pit viper found primarily in the forests of the Malay Peninsula, extending into adjacent southern Thailand. It belongs to the diverse genus Trimeresurus, a group of Asian green pit vipers many of which show strong regional endemism.

It is a forest-dependent species, typically found in lowland and hill forest habitats where dense vegetation provides both cover and hunting perches.

How to identify it

  • Green dorsal coloration, sometimes with faint darker markings or a pale ventrolateral line
  • Slender body form typical of arboreal pit vipers
  • Triangular head distinct from the neck, with heat-sensing pits
  • Vertically elliptical pupils
  • Tail often prehensile, aiding movement through vegetation
  • Distinguished from similar green pit vipers of the region by range and subtle scale and coloration differences

Habitat & range

Found in lowland and hill dipterocarp forests of the Malay Peninsula and southern Thailand, typically in shrub and low tree layers near streams or forest edges.

Behavior, diet & reproduction

Nocturnal and arboreal, remaining coiled and camouflaged among foliage during the day and becoming active to hunt at night. Preys on small vertebrates such as frogs, lizards, and rodents. Gives birth to live young, consistent with most Trimeresurus species.

Frequently asked questions

Is Brongersma's Pit Viper venomous?

Yes, it is a venomous arboreal pit viper native to Peninsular Malaysia and southern Thailand.

Where does Brongersma's Pit Viper live?

In lowland and hill forests of the Malay Peninsula and adjacent southern Thailand.

Is this snake arboreal?

Yes, it spends most of its time in shrubs and low trees within forest habitat.

What does it eat?

Small vertebrates including frogs, lizards, and rodents.