Wildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals. Steve has a close encounter with the largest snake in the world. Show more
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Wildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals. Steve has a close encounter with the largest snake in the world. Show more
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
