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Usain Bolt of tortoises races into Guinness Book of Records
Image source, Adventure Valley
The Usain Bolt of the tortoise world has raced into the record books as the fastest ever.
Bertie, from Adventure Valley in County Durham, covered 18ft (5.48m) in 19.59 seconds - smashing the previous best of 43.7 seconds, which stood since 1977.
He clocked his time in July last year, but the achievement has now been confirmed and appears in the new edition of the Guinness Book of Records.
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Bertie, who raced to his record on a diet of strawberries, is thought to be about 10 years old.
Image source, AFP
Leopard tortoises typically live to between 80 and 100 years old.
After becoming a record-breaker, Bertie and his girlfriend Shelly now live in a larger enclosure.
The previous best was set at the National Tortoise Championship at Tickhill, South Yorkshire, on 2 July 1977.