The Jack Russell Terrier is a small terrier that has its origins in fox hunting in England. It is principally white-bodied and smooth, rough or broken-coated and can be any colour.
Personality: The Jack Russell terrier is a happy, energetic dog with a strong desire to work. This breed is most happy when given companionship and a job to do. Digging is normal for a Jack Russell, especially if he decides it is his job to free your yard from rodents!
Jack Russell breed include inherited eye diseases and deafness. Legg Perthes is a disease of the hip joints that can occur most commonly in smaller breed dogs, the Jack Rusell included. They are also prone to dislocation of the knee caps.