Jack Russell Terrier

Average Height

25 - 30cm

Average Weight

6 - 8kg

Expected Lifespan

13 - 16 years

The Jack Russell Terrier may be small in size, but there is nothing small about its personality. Bursting with energy, intelligence, and confidence, this lively little dog is always ready for action. With bright eyes, an alert expression, and a fearless attitude, the Jack Russell is a bundle of enthusiasm that brings constant movement and excitement into any home.

Originally bred in England for fox hunting, the Jack Russell was designed to be quick, agile, and determined. These dogs needed to think fast, move faster, and never give up, traits that are still deeply rooted in the breed today. Their strong prey drive and sharp minds make them natural problem solvers, always eager to explore, chase, and investigate everything around them.

Jack Russells thrive in active households where they can burn off their seemingly endless energy. Long walks, play sessions, games, and mental challenges are essential to keeping them happy and well behaved. Without enough stimulation, boredom can quickly turn into unwanted behaviours such as digging, barking, or chewing. This is a breed that needs both physical activity and mental engagement every single day.

Despite their high energy, Jack Russells are incredibly loyal and affectionate with their families. They form strong bonds with their people and love being involved in everything that is happening around them. Confident and bold, they do well with older children who understand how to interact respectfully with dogs. However, due to their strong hunting instincts, smaller pets may not be the best companions for this spirited terrier.

Welcoming a Jack Russell Terrier into your home means inviting a clever, spirited, and endlessly entertaining companion into your life. For families who enjoy an active lifestyle and appreciate a dog with personality to spare, the Jack Russell is a joyful and rewarding choice.

The Jack Russell Terrier Anatomy

Head

The head is flat and moderately broad, narrowing slightly toward the eyes. Stop is well defined but not pronounced. Muzzle is strong and of moderate length, ending in a black nose. Eyes are dark, almond-shaped, and full of intelligence and alertness. Ears are small to medium-sized, V-shaped, and fold forward close to the head.

Body

Compact, flexible, and well-balanced. Chest is deep but not wide, allowing the dog to work underground. Back is level and strong with good muscle tone. The overall build emphasises agility and endurance rather than bulk. Forelegs are straight with strong bone. Hindquarters are muscular with well-developed thighs and good angulation. Feet are small, round, and compact with firm pads, suited for digging and traction. Tail is traditionally carried high when working. Moderately long, strong at the base, and tapering toward the tip. Double-coated. The outer coat may be smooth, broken, or rough, all offering weather resistance. The undercoat is short and dense.

The Jack Russell Terrier Coat and Colours

  • White
  • White & Black
  • White & Tan
  • White & Brown
  • White, Black & Tan
  • White & Brindle
  • White, Brindle & White (broken pattern)

Some Jack Russell Terrier Traits

Friendliness
Trainability
Energy
Grooming Needs
Shedding
Sensitivity

Common Medical Conditions in Jack Russell Terriers

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