LONDON, ENGLAND - MARCH 27: An employee at Christie's auction house examines a complete sub-fossilised elephant bird egg, next to a chicken's egg, on March 27, 2013 in London, England. The elephant ... more 
LONDON, ENGLAND - MARCH 27: An employee at Christie's auction house examines a complete sub-fossilised elephant bird egg, next to a chicken's egg, on March 27, 2013 in London, England. The elephant bird egg is expected to fetch 30,000 GBP when it features in Christie's 'Travel, Science and Natural History' sale, which is to be held on April 24, 2013 in London. (Photo by Oli Scarff/Getty Images) less 
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Getty Images | Photo By Oli Scarff / Getty Images
Wed, Mar 27, 2013 7:47 AM EDT