Very intelligent, obedient, active, agile, highly energetic, and watchful dogs. Jack Russell Terriers enjoy tennis ball retrieving, agility, flyball, and Frisbee, and have the keen sense of smell necessary to participate in earthdog trials. Eager to learn, especially with reward-based training. May be difficult to disengage from an activity or behavior, bark, or chase wildlife or other dogs.
Parson Russell Terrier is another name for "Jack Russell Terrier." The Parson Russell is descended from early white-bodied working terriers. The breed was developed by Reverend John Russell during the 1800's as a fox hunter. Their small bodies allowed them to drive the fox from his lair, giving the hunters easy access. The name Parson Russell was chosen by the American Kennel Club because the name "Jack Russell Terrier" had been trademarked by a group opposed to allowing the working terrier breed into the Kennel Club. Parson Russells are show dogs, whereas Jack Russells are working dogs. The breed was first introduced to the United States in the 1930's. Parson Russell Terriers were first recognized by the UK Kennel Club in 1990 and the American Kennel Club in 2001.