The Venomous Snakes of Sri Lanka
Russell's Viper
Daboia russelii
Saw-scaled Viper
Echis carinatus
Humpnosed Viper
Hypnale hypnale
Green Pit Viper
Trimeresurus trigonocephalus
Spectacled Cobra
Naja naja
Common Krait
Bungarus caeruleus