Killer whales are one of the most efficient hunters alive

Watch the moment when Sir David Attenborough and BBC filmmakers recorded killer whales hunting seals.

Even better, you can watch a further 1,000 more memorable moments, for free, anytime, on your smartphone or tablet, via Attenborough's Story of Life app, which is now available to download via Google Play, or Apple's app store.

http://www.bbc.com/earth/story/20170518-killer-whales-are-one-of-the-most-efficient-hunters-alive

 

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