Cobras are large snakes found in tropical areas of Asia and Africa. Of all the snakes in the world, the cobra is the largest and the most venomous snake on earth. A single bite from a cobra can kill any man or animal. It is said that a bite from a cobra can kill an animal as big as an elephant. It is called the king because it feeds on other snakes. It can move very fast and attacks its prey quickly. It is a very active snake that changes its place from time to time. It never remains in one place as it is a predator snake. The hissing sound produced by them is much lower than other snakes, as it warns others to stay away with the help of such sounds. These snakes also have very good eyesight and can spot anything moving from very far away. It is a very deadly and dangerous species of snake.