Common bronze-back/තුරු හාල්දණ්ඩා/මූකලන් හාල්දණ්ඩා[Thuru/Mookalan Haal Danda] (Dendrelaphis schokari)

Non–venomous arboreal snake inhabiting forest and open areas of all climatic zones of island from lowlands to about 750m a.s.l. Diurnal and though a tree snake it is observed of foraging on land as well in searching of its prey which consist of frogs, lizards, geckos, skinks, insects and also eggs of small birds. It can make long jumps among trees if necessary while chasing its prey. It can be distinguished easily from other Dendrelaphis species by having a cream color spotted line on its olive green dorsal from neck to mid fore body along the spine. 

පලා පොළඟා[Palaa Polaga]Green Pit Viper (Trimeresurus trigonocephalus)

Green Pit Viper is a moderately venomous endemic snake to Sri Lanka. It is arboreal and nocturnal, occasionally descending to the ground in search of food comprises of frogs, small mammals and birds. This sluggish pit viper is usually encountered on low shrubs during morning hours. It is widely distributed in all three climatic zones of the island except higher hills and arid zones while relatively much common in wet zone grasslands and rain forest areas and occasionally in plantations. It produces live young most of the time during months of June-July. When threatened vibrate its tail and lashes out to bite seldom with hissing sound.