From the (2003) article http://www.guardian.co.uk/science/2003/jul/03/research.science http://www.guardian.co.uk/science/2003/jul/03/research.scien... "The ab

From the (2003) article http://www.guardian.co.uk/science/2003/jul/03/research.science http://www.guardian.co.uk/science/2003/jul/03/research.scien... "The ability to recognise themselves [dolphins] in the mirror suggests self-awareness, a quality previously only seen in people and great apes." Fast forward to 2008 http://www.sciencedaily.com/releases/2008/08/080818220557.htm http://www.sciencedaily.com/releases/2008/08/080818220557.ht... The researchers subjected the magpies to a mark test, wherein a mark is placed on the subject's body in such a way that it can only be seen in a mirror. When the magpies engaged in activity that was directed towards the mark (e.g. scratching at it), the researchers were able to conclude that these birds recognized the image in the mirror as themselves, and not another animal.