sri lanka green pit viper coiled in lush foliage

sri lanka trimeresurus green snake reptile vipers pit venomous camouflage foliage scales eyes gaze closeup wildlife nature zoology herpetology lankan viper animal fauna wild forest jungle tropical rainforest asia south viridis gramineus venustus monticola macrops ocellatus albolabris elegantulus sabahi fuscus jerdonii chapaensis schlegelii salazar berylli rufoviridis maculatus striolatus