British cat’s purr sets record An English cat has a record-setting purr, according to Guinness World Records.Smokey, a gray and white tabby, reportedly purrs at 67.7 decibels, which is as loud as this appliance, or two to three times louder than usual. More on animals: Find out what is the loudest animal in the world. Compare different kinds of cats . Find out what are the world’s largest animals .