A global citizen science platform
to discover, share and identify wildlife

Join Project Noah!

Bornean Leaf-nosed Pit-viper

Trimeresurus borneensis


A stocky snake. The snout projects outward and upward. Head is triangular and wider than the neck. Colour is reddish brown. Eyes are yellow. Pupils are black.


Low land forest.


Very fiesty.

Species ID Suggestions

Sign in to suggest organism ID


Awesome series Bob,great find,congrats on the well deserved SOTD

Neil Ross
Neil Ross 8 months ago

A wonderful spotting, Bob. That's an awesome snake. Congrats on your SOTD

Mark51 8 months ago

fierce looking. Great photo

Michael Strydom
Michael Strydom 8 months ago

Congrats Bob!! Striking :)

bob5 8 months ago

Thank you. I am honoured by this.

DanielePralong 8 months ago

Congratulations Bob, this spectacular pit-viper is our Spotting of the Day! Glad you got pictures from different angles, including the whole snake. We're showing them all as a video on social media!

"Endemic to the island of Borneo, this magnificent Bornean Leaf-nosed Pit-viper (Trimeresurus borneensis) is our Spotting of the Day! This medium size, thick-bodied snake has a distinctive head with a slightly upturned snout forming a leaf-like process overhanging its nostrils. Its eyes are yellowish brown with vertically elliptical pupils, and its bodily varies from light brown to bright yellow with darker markings. While is has a prehensile tail, adults are generally found on the forest floor. Pit vipers (Crotalinae) are a subfamily of venomous vipers found in Eurasia and the Americas, characterized by the presence of a heat-sensing pit organ located between the eye and the nostril, well visible on the first and second shots here".



Marek Koszorek
Marek Koszorek 8 months ago

Superb 😀

Brian38 8 months ago

Great shots!

Spotted by

Sarawak, Malaysia

Lat: 1.61, Long: 110.20

Spotted on Dec 19, 2018
Submitted on Dec 21, 2018

Related Spottings

Pope's Bamboo Pit Viper Mangshan pit viper Malabar Pit Viper 龜殼花

Nearby Spottings

Asian Paradise Flycatcher (Male) Asian Paradise Flycatcher (Female) Ornamental Coin Spider Long-fingered Slender Toad