How did the Hammerhead Shark Evolve? | BBC Earth

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An insight into the evolution of the hammer that defines Hammerhead sharks. Great video from BBC wildlife show Hammerhead. 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 This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/contact-us/

Published 2011-03-10 · Watch on YouTube ↗
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