Siberian Tigers: The World's Most Powerful Predator | Life of Mammals | BBC Earth

Before human beings had weapons, as David Attenborough describes in The Life of Mammals, the Siberian tiger was the most powerful killer on Earth.  Amazing footage of this beast in action from the BBC. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here: bbcearth

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