White-bellied Rat Snake, Ptyas fusca (Günther, 1858) of Sarawak / Borneo around 1100m ASL. Ptyas fusca (Günther, 1858) is a species of colubrid snake (Colubridae) that was originally described as Coryphodon fuscus; Borneo is given as the type locality. In…
Common mock viper, Psammodynastes pulverulentus (F. Boie, 1827) of south Sarawak / Borneo around 1000m ASL. Psammodynastes pulverulentus (Boie, 1827) is a rear-fanged snake from the superfamily Elapoidea, widespread in South and Southeast Asia; based on phylogenomic data, the genus…
Juvenile Kuhl’s flying gecko or the common flying gecko – Gekko kuhli (Stejneger, 1902) of Sarawak / Borneo around 250m ASL. Gekko kuhli (Stejneger, 1902) is a species of gecko (family Gekkonidae). In the literature, it has appeared as Ptychozoon kuhli…
White-spotted cat snake, Boiga drapiezii (H. Boie in F. Boie, 1827) of south-Sarawak / Borneo highland around 1050m ASL. Boiga drapiezii (H. Boie in F. Boie, 1827) is an opisthoglyphous (rear-fanged), egg-laying snake from the Colubridae family; its type locality…
Asian vine snake, Ahaetulla prasina (Boie, 1827) from Sarawak/Borneo – around 1050m ASL Ahaetulla prasina (Boie, 1827) is a rear-fanged snake from the Colubridae family and is widespread throughout much of Southeast Asia; in Borneo, it has been documented in…
Striped bronzeback, Dendrelaphis caudolineatus (Günther, 1858) of Sabah / Borneo around 200m ASL. Dendrelaphis caudolineatus (Gray, 1834) is a snake from the Colubridae family; the species is listed in the Ahaetuliinae subfamily. It is widespread in Southeast Asia; it is…
Asian water monitor – Varanus salvator (Laurenti, 1768) of Sabah / Borneo. Varanus salvator is a large semi aquatic monitor lizard native to South and Southeast Asia where it frequents rivers wetlands mangroves and even urban waterways and is among…
Saltwater crocodile – Crocodylus porosus Schneider, 1801 of Borneo – around 80m ASL Crocodylus porosus Schneider 1801, the saltwater crocodile, is the largest living reptile, with exceptional males approaching seven metres and about 1200kg while most adults are smaller; it…
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…
Calliophis intestinalis (thepassi?) (LAURENTI, 1768) of Sarawak/Borneo around 1050m ASL. Calliophis intestinalis is a highly venomous elapid from Southeast Asia (e.g., Malay Peninsula, Sumatra, Borneo, Java), mainly nocturnal and partly leaf-litter/ground-dwelling. When threatened it flips to expose its strongly banded…