Fastest Snake in the world
Black Mamba 
Of the venomous snakes of the world, only the King Cobra is longer. The Black Mamba is also the fastest land snake in the world, able to reach speeds in excess of 12 miles per hour (20kph). 
Black Mamba
Of the venomous snakes of the world, only the King Cobra is longer. The Black Mamba is also the fastest land snake in the world, able to reach speeds in excess of 12 miles per hour (20kph).