Jack Russell Breed Standard

Breed Group: Terrier

Weight: 9-17 lbs

Height: 9-14 inches

Color(s): predominantly white with tan, black, or brown markings

Coat: The Jack Russell Terrier has a dense double-coat that comes in three varieties: smooth, rough, and broken. The smooth coat has an outer-coat that is short and stiff. In the rough coat the outer-coat is longer. The broken variety is used to describe both dogs with outer-coats of different lengths or dogs that have longer hair on specific parts of the body. The Jack Russell Terrier is primarily white with black, tan, or tri-color markings. They shed constantly.

Overview: The Jack Russell Terrier or Parson Jack Russell Terrier originated in England in the 19th century. Their name derived from the Reverend John Russell, a hunting enthusiast, who was the first person to breed them for fox hunting. The Jack Russell Terrier is exceedingly adept at digging and burrowing into foxholes and dens.

Character: The Jack Russell Terrier is sturdy, hardy, and robust in appearance. They are outgoing with a keen expression. They have an inquisitive nature. This compact breed is very vocal but is never "yappy". They are fearless and are completely unaware of their small stature.

Temperament: The Jack Russell Terrier is a loving and devoted breed. They are spirited, lively, amusing, and energetic. They get along with older, well-behaved, considerate children. They are not recommended for children under eight years of age. They do not get along with other pets. Their natural hunting instinct brings out their aggressive nature. They are highly intelligent and bold. Their courage often leads them into dangerous situations that may lead to fatal results. The Jack Russell Terrier requires an extraordinary amount of human attention. They are not well suited for a two career family.

Care: The Jack Russell Terrier requires minimal grooming. They need regular brushing with a firm bristle brush. Bathing should only be done when necessary. It is important to keep their nails trimmed regularly to prevent problems. They are easily over-fed and have a tendency to become overweight. The health issues that affect this breed include deafness, glaucoma, epilepsy, allergies, and skin problems.

Training: The Jack Russell Terrier can be difficult, determined, and willful. They require firm and consistent guidance, as they are easily distracted. It is important for them to know whom their master is or they will take charge. Early socialization may moderately temper their aggressiveness. Obedience training is highly recommended. The Jack Russell displays talents in such areas as hunting, tracking, and agility.

Activity: The Jack Russell Terrier thrives on exercise. They are very active indoors and require constant stimulation. They have the ability to adapt to apartment dwelling provided they are given sufficient exercise, but do best with an average size yard that is securely fenced. They will become destructive if they become bored. They enjoy long walks and vigorous play sessions.