14. Bushmaster (Lachesis muta)
This species is indigenous to the South American continent and southern Central America. It is also the second largest venomous species in the world (after the king cobra), being more than 2 meters in length, some specimens exceeding 3 meters! Considering the length, this species produces large portions of deadly venom. This snake is one of the deadliest snakes in Americas concerning the death rate in humans, which is over 80%, if not immediately treated.