05/09/2010 05:12 am ET Updated May 25, 2011

Lincoln Park Zoo's Oldest Animal Dies: Dwarf Crocodile Was 72 Years Old

A dwarf crocodile whose claim to fame was siring a clutch of five crocodiles when he was in his late 60s is dead, Lincoln Park Zoo officials said Monday.

R1, or Reptile 1, who lived at the zoo for 70 of what are believed to be his 72 years, was the zoo's oldest animal.

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