An adult venemous male Borneo temple viper (Tropidolaemus subannulatus), Bako National Park, Sarawak, Borneo, Malaysia, Southeast Asia, Asia

Green tree pit viper in Gunung Mulu National Park, Malaysia, Borneo, Southeast Asia, Asia

Pit Viper, Costa Rica, Central America

Eyelash Viper, Costa Rica, Central America

Viper's bugloss, Echium vulgare, Paterson's curse, Fleurieu Peninsula, South Australia

McGregor's pit viper (Trimeresurus mcgregori)

Schultze's Pit Viper (Parias schultzei)

Mangrove Viper (Cryptelytrops purpureomaculatus)

Schultze's Pit Viper (Trimeresurus schultzei) Palawan Captivity

Schultze's Pit Viper (Trimeresurus schultzei) Palawan Captivity

Bornean Keeled Green Pit Viper (Tropidolaemus subannulatus) on a branch, Belitung, Indonesia, Philippines

Kramer's pit Viper in studio ; From south-east Asia

Kramer's pit Viper in studio ; From south-east Asia

Portrait of Sunda island pitviper (Trimeresurus insularis) in a tree, Komodo