Learn about the biggest, most deadly snakes in the world. Detailed graphics, diagrams and video images help us learn about snakes as predators, varieties of North American snakes, the deadly snakes of Africa and Asia, the Black Mamba's special skill, venoms and toxins, the Gaboon Viper's venom, the King Cobra's hunting advantage, varieties of snakes, constrictors, and precautions to take when going into areas with venomous snakes.