Kerala native habitat consists of evergreen rainforests, coastal Kerala,mountains and highland deciduous forest. Many reptiles including various turtles, crocodiles and snakes are found in Kerala, such as tree snake, green snake, king cobra, viper and python.
All the most venomous species of snakes found in India are found in tea and coffee plantations region of Kerala, including the big four.
Due to the modified saliva or toxin delivery system, few snakes have been considered mildly venomous such as green vine snake and rare flying snake or gliding snake.
There are a large number of non venomous and non poisonous snakes found in Kerala, those are usually harmless to humans such as sand boa,python and rat snake. Few of the below list snakes are endemic to the Western Ghats of Kerala.
List of reptiles found in Kerala are Saltwater crocodile,Mugger crocodile,Indian black turtle,Olive ridley sea turtle and Leatherback sea turtle. The evergreen rainforests of Kerala also home to many species of lizards such as forest lizard,Southern flying lizard, spiny lizard,Indian kangaroo lizard and Fan throated lizard as well as the only Indian Chameleons and various species of gecko lizards.