Wagler’s Pit Viper, (Tropidolaemus wagleri)Venomous snake of the tropical rainforests of Southeast Asia. These snakes go through phases of different colours and sizes. They may appear sluggish, but if disturbed, can strike quickly. Their bite is not generally fatal to humans. They are antisocial and territorial, and do not like to be near other snakes.This image is copyright and may not be used without specific authorization. Permission is explicitly denied for Pinterest.