12th February 2026
Sabah pit viper, Trimeresurus sabahi Regenass & Kramer, 1981 – of Kalimantan Barat / Borneo – around 700m ASL
Tag: Viperidae
10th February 2026
Sumatran pitviper, Trimeresurus sumatranus (Raffles, 1822), Sarawak / Borneo 1100m ASL Borneo populations of Trimeresurus sumatranus are documented from Kalimantan and the Malaysian states of Sabah and Sarawak; the species is also recorded from Sumatra and parts of Peninsular Malaysia…
6th September 2025
Sabah pit viper, Trimeresurus sabahi Regenass & Kramer, 1981 – of Sarawak / Borneo – around 900m ASL This specimen could be the same individual that I found near the location a few weeks ago. Several distinctive characteristics suggest that…
28th August 2025
Sabah pit viper, Trimeresurus sabahi Regenass & Kramer, 1981 – of Sarawak / Borneo – around 1300m ASL Trimeresurus sabahi (Sabah pit viper) is a montane pit viper endemic to northern Borneo (Malaysia: Sabah, Sarawak), typically occurring in submontane to…
19th August 2025
Sabah pit viper, Trimeresurus sabahi Regenass & Kramer, 1981 – of Sarawak / Borneo – around 900m ASL Trimeresurus sabahi (Sabah pit viper) is a montane pit viper endemic to northern Borneo (Malaysia: Sabah, Sarawak), typically occurring in submontane to…
29th December 2024
Great Lakes Bush Viper, Atheris nitschei TORNIER, 1902 of the Rwenzori Mountains / Uganda
18th November 2024
Malcolm’s pitviper, Trimeresurus malcolmi Loveridge, 1938 – of Sabah / Borneo Trimeresurus malcolmi is probably considered the ‘holy grail’ among the pit vipers in Borneo, not least because this viper only occurs above 1000m ASL. There are local reports that…
10th June 2022
Sumatran pitviper, Trimeresurus sumatranus (Raffles, 1822), Central-Sarawak / Borneo 400m ASL
5th April 2019
female of Bornean Keeled Pit Viper, Tropidolaemus subannulatus (Gray, 1842), East-Sarawak / Borneo 30m ASL
3rd September 2018
Bornean Keeled Pit Viper, Tropidolaemus subannulatus (Gray, 1842) resting on Amorphophallus hewittii