7. Western diamondback rattlesnake, coon tail, Arizona diamond rattlesnake, Texas diamondback (Crotalus atrox)
LD50: 2.2
This snake species is present in the southern parts of the North America and throughout Central America. It is a snake with many common names, since it often encounters humans, and whose bite can be fatal, and considered to be among very venomous rattlesnake species in the world. These snakes prefer arid and semi-arid environments, like deserts, shrublands, plains, but also forests and coastal prairies. They usually grow around 6 feet, are brownish in color and have diamond shaped pattern.
