Tropidolaemus subannulatus
Silhouette: Steven Traver · PhyloPic
In 3 days ~80% in a week >90%
The Bornean keeled green pit viper or North Philippine temple pit viper (Tropidolaemus subannulatus) is a pit viper species native to Brunei, Indonesia, Malaysia, and the Philippines. Until 2007, this species was considered part of the Tropidolaemus wagleri species complex.
The Borneo Keeled Green Pit Viper can have a range of colors but generally it is bright green with numerous thin crossbands. Some localities have a mixture of light green to blue background colors. The bands are variable and can be a combination of blue, red or white. Females may have blue or red dots on their underbelly, while juveniles and males only have red dots. Females are much larger than males and can grow to a maximum size of 96 cm, while males can reach a size of 46 cm. This species is one of the most common species encountered in the lowland rainforests of Borneo. It is known to eat birds, small mammals and frogs. It is ovoviparous and gives birth to live young.
This species is arboreal, with a prehensile tail. It can be found in low level vegetation up to a height of 20m. Like many other arboreal snakes, this species has a disrupted green color to allow it excellent camouflage in the... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Bako National Park | 🇲🇾 Malaysia | |
| 2 | Sepilok | 🇲🇾 Malaysia | |
| 3 | Tanjung Puting National Park | 🇮🇩 Indonesia | |
| 4 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 5 | Kinabalu Park | 🇲🇾 Malaysia | |
| 6 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Moscow Zoo | 🇷🇺 Russia | |
| 2 | Aquarium of the Pacific | 🇺🇸 United States | |
| 3 | Bali Bird Park | 🇮🇩 Indonesia |
Likely
About 50% of wildlife watchers report a North Philippine Temple Pitviper sighting in Kinabalu Park on a given day, based on 93 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 2nd most-seen of the 69 reptiles we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
February
In that month about 70% of wildlife watchers report a North Philippine Temple Pitviper in Kinabalu Park on a given day, against about 20% in May, the lowest month. That is one of Kinabalu Park's driest months, with about 180 mm of rain against 550 mm in June.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most North Philippine Temple Pitviper sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.
5th of 6
Of the 6 parks where we can rate North Philippine Temple Pitviper sightings, Kinabalu Park ranks 5th at about 50%. The best odds are in Bako National Park (Malaysia, about 90%), Sepilok (Malaysia, about 80%) and Tanjung Puting National Park (Indonesia, about 60%). All parks ranked.
Same family: Viperidae
The closest relatives of the North Philippine Temple Pitviper that you can see in Kinabalu Park (family Viperidae, Vipers) are Sabah Bamboo Pitviper (about 40%), Malcolm’s Pitviper (about 30%) and Sumatra Pit Viper (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the North Philippine Temple Pitviper is recorded against all the reptiles logged in Kinabalu Park (93 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.
