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15 pets with Guinness World Records

Oscar cat with bionic legs

Photo: Jim Incledon/AP

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First bionic leg implants

Oscar the cat is the first animal to have received two bionic leg implants. Oscar’s hind legs were accidentally chopped off in a combine harvester, and his prosthetic legs were drilled into what remained of his original legs. The bionic legs aren’t suited for an outside environment, so Oscar is now an indoor cat, and he’s surely grateful for his remaining eight lives.