The 330 lb giant tortoise whom experts believe Charles Darwin studied while on the Galapagos Islands, died at Australia Zoo this week.

Two quick facts from the article: 

Hangar said Harriet, who had made it into the Guinness Book of World Records as the world's oldest living animal, had been credited with helping Darwin pioneer his theory of evolution.

Harriet was originally named Harry, as she was mistakenly identified as male, an error which was not rectified for more than a century.