“World’s Weirdest: Blood-Squirting Lizard’” by National Geographic. NatGeo Wild Youtube Channel, 30 January 2013. URL: http://www.youtube.com/watch?v=GgB4u6Mgy2M (accessed on 20 March 2013) Bloody Awesome Defence ‘Blood-squirting’ sounds like a scene ripped out of horror movies, but this action can be found…