Snake Identifier
Plain Tree Snake (Dendrophidion percarinatum)
Dendrophidion percarinatum01 by Hugo Claessen, via Wikimedia Commons, licensed under CC BY-SA 2.5
Colubrids

Plain Tree Snake

Dendrophidion percarinatum

A fast-moving, slender brown colubrid found in the forests of Central America and northwestern South America.

Venomous?
Non-venomous
Adult length
0.8-1.2 m (2.6-4 ft)
Range
Central America and northwestern South America

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Overview

The plain tree snake is a diurnal, non-venomous colubrid belonging to the genus Dendrophidion, a group of agile forest-floor racers. Despite its common name, it spends much time on the ground as well as in low vegetation.

It is harmless to humans and known for its swift, alert movements when disturbed.

How to identify it

  • Uniform brown to olive-brown dorsal coloration, sometimes with faint darker flecking
  • Pale yellowish to cream belly
  • Slender, agile body with keeled dorsal scales
  • Large eyes with round pupils
  • Distinguished from similar Dendrophidion species by lack of bold striping and by scale counts

Habitat & range

Inhabits humid lowland and premontane forests of Central America and northwestern South America, generally below 1,200 m elevation, often near leaf litter and streams.

Behavior, diet & reproduction

Diurnal and terrestrial, moving swiftly through leaf litter and low vegetation in search of frogs and lizards. Extremely alert and quick to flee. Lays eggs.

Frequently asked questions

Is the plain tree snake dangerous?

No, it is non-venomous and harmless to humans.

Is it active during the day or night?

It is diurnal, most active during daylight hours.

What does it eat?

Mainly frogs and lizards found in leaf litter.

Despite its name, does it climb trees?

It spends much time on the ground and in low vegetation, not exclusively in trees.