Wildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals. Steve and the crew head for the hills of Arizona as they track a mountain lion. Show more
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Wildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals. Steve and the crew head for the hills of Arizona as they track a mountain lion. Show more
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
