Trimeresurus sabahi
Silhouette: Steven Traver · PhyloPic
In 3 days ~60% in a week ~80%
Trimeresurus sabahi, commonly known as the Sabah pit viper or Sabah bamboo pitviper, is a venomous pitviper species. If defined narrowly, it is endemic to the island of Borneo. If defined more broadly, it consists of five subspecies found in Southeast Asia.
There are five subspecies: Trimeresurus sabahi barati Regenass & Kramer, 1981 – Sumatra, Mentawai Archipelago (Indonesia) IUCN treats these as full species, respectively T. barati, T. buniana, T. fucatus, and T. toba, restricting T. sabahi to the nominotypical subspecies.
Adults may attain a snout-vent length (SVL) of 62 cm (24 in). Dorsally, it is uniform green, without crossbars. Ventrally it is pale green. There is narrow bicolor stripe on the first one and a half dorsal scale rows. In males this stripe is rust-colored or red below, and it is white above. In females it is yellow or white. The iris... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kinabalu Park | 🇲🇾 Malaysia | |
| 2 | Khao Luang National Park | 🇹🇭 Thailand | |
| 3 | Khao Sok National Park | 🇹🇭 Thailand | |
| 4 | Gunung Leuser National Park | 🇮🇩 Indonesia |
Possible
About 20% of wildlife watchers report a Sabah Bamboo Pitviper sighting in Khao Sok National Park on a given day, based on 16 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 19th most-seen of the 44 reptiles we can rate there. Over three days the chance rises to about 60%, and over a week to about 80%, if each day is a fresh chance.
March and August
In those months about 40% of wildlife watchers report a Sabah Bamboo Pitviper in Khao Sok National Park on a given day, against under 5% in July and September–November, the lowest months.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Sabah Bamboo Pitviper sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 4
Of the 4 parks where we can rate Sabah Bamboo Pitviper sightings, Khao Sok National Park ranks 3rd at about 20%. The best odds are in Kinabalu Park (Malaysia, about 40%) and Khao Luang National Park (Thailand, about 40%). All parks ranked.
GBIF citizen-science records
It is estimated from how often the Sabah Bamboo Pitviper is recorded against all the reptiles logged in Khao Sok National Park (16 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
