green vine snake, sinharaja national park rain forest, sri lanka

ahaetulla animal beauty biodiversity biologist biology biosphere biotope conservancy conservation cryptic ecology ecosystem ecotourism endemic enviroment environmental forest green habitat heritage hotspot hunter jungle lanka longnosed nasuta national nature observation park predator protected rainforest reptile reserve safari sanctuary sinharaja site snake sri themes toxic travel tropical unesco venomous vertebrete vine viper voyage whip wild wildlife world