Wetar Island Pit Viper
Trimeresurus wetarensis
An island-endemic pit viper restricted to Wetar Island in the Lesser Sunda Islands of Indonesia.
- Venomous?
- Venomous
- Adult length
- 0.5-0.8 m (1.6-2.6 ft)
- Range
- Wetar Island, Indonesia (Lesser Sunda Islands)
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Overview
The Wetar Island pit viper is endemic to Wetar Island, one of the more remote islands in the Lesser Sunda chain of eastern Indonesia. It is closely related to other island-endemic pitvipers within the Trimeresurus insularis group.
Its restricted range on a single island makes it one of the more geographically limited Asian pitvipers.
How to identify it
- Coloration variable, often green or bluish depending on individual
- Pale lateral stripe present in some individuals
- Triangular head, vertical pupils
- Keeled scales
- Reddish or pale tail tip
- Distinguished from mainland and other island pitvipers primarily by locality
Habitat & range
Found in forest and scrub habitats on Wetar Island, from lowland to hill elevations.
Behavior, diet & reproduction
Nocturnal and arboreal, resting coiled on vegetation during the day. Feeds on small vertebrates such as frogs and lizards. Ambush predator relying on heat-sensing pits. Viviparous reproduction.
Frequently asked questions
Is the Wetar Island pit viper venomous?
Yes, it is a venomous pit viper.
Where is it found?
It is endemic to Wetar Island in the Lesser Sunda Islands of Indonesia.
Is it closely related to other island pitvipers?
Yes, it is part of a group of closely related island-endemic pitvipers in the region.
What does it eat?
Small frogs, lizards, and other small vertebrates.
Wetar Island Pit Viper guides
In-depth guides for identifying and understanding Wetar Island Pit Viper.
