Vernon Yates, founder of Wildlife Rescue and Rehabilitation, lays his hands on Ty, a 400-pound tiger, as staff prepare to surgically extract a 4-pound hairball from the big cat, in Clearwater, Florida, on May 22, 2013. Ty is cared for by Wildlife Rescue and Rehabilitation in Seminole. The non-profit animal rescue group mainly serves by assisting Florida law enforcement with animals that have been seized. (Photo by James Judge/Courtesy BluePearl Veterinary Partners)

Dr. Mike Reems, a board-certified surgeon from BluePearl Veterinary Partners, and Dr. Don Woodman, owner of Animal Hospital of Northwood in Safety Harbor, surgically extract the 4-pound hairball from Ty. (Photo by James Judge/BluePearl Veterinary Partners)

Ty is rests in an enclosure. (Photo by James Judge/Courtesy BluePearl Veterinary Partners)