[London, July 16. Image via Getty]

LONDON, ENGLAND - JULY 16: Dirk, a 70 year old Galapagos tortoise, is fed by keeper Caroline Westlake in the new 'Giant of the Galapagos' exhibit in ZSL London Zoo on July 16, 2009 in London, England. Dirk, who weights 200kg is joined by two female tortoises Dolly, aged 16, and Dolores, aged 14, in the hope of initiating a breeding program. (Photo by Oli Scarff/Getty Images)