Captions provided by CCTubes – Captioning the Internet! For more brilliant natural history shows, exclusive to YouTube, head over to our brand-new channel Earth Unplugged! http://www.youtube.com/earthunplugged
The competition between the fishermen and the killer whales heats up as the tuna migrate from the Med to the Atlantic ocean… 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: http://www.youtube.com/bbcearth
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