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Deadliest Snakes

Herpetologist Brady Barr holds a snake within a burrow.

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National Geographic Channel Reptile Expert Brady Barr has come face to face with some deadly snakes. Now, in Deadliest Snakes, Brady approaches seven of the world's most dangerous and venomous snakes to determine which snake is the deadliest. He will scientifically investigate each species of snake by grading them on five basic criteria: size, volume and toxicity of venom, personality, and number of human deaths.