Two fierce predators face off in a showdown atop the ocean food chain on Nat Geo.\r
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Orcas Vs Shark: Killer Whales Take Down Tiger Shark SUBSCRIBE: We upload a new incredible video every weekday. Subscribe to our YouTube channel so .\r
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National Geographic Documentary National Geographic 2015 National Geographic Oceans Toughest Predators: Great White Shark vs. Killer Whale Written by .\r
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Killer Whale Vs Great White shark - National Geographic WILD - HD 720p .
