#9 SAW-SCALED VIPER
The last species in the “Big four” group of the most dangerous of the world, Saw-scaled viper is commonly found in India, Sri Lanka and parts of Africa. Powerful and impressively fast, its bite is painful, causes swelling and can lead to death. Its color varies between yellow and light brown, with black stains. The smallest of the Big Four group, Echis Carinatus can grow up to 31 inches.