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🐾 Small · United Kingdom

Jack Russell Terrier: Size, Weight & Temperament

A small, sturdy working terrier with a strong prey drive and marked independence that needs consistent leadership and plenty of activity rather than a purely cuddly lifestyle.

~ Some experience
Jack Russell Terrier dog breed portrait
Photo: Alephalpha · CC BY-SA 3.0 · Wikimedia Commons · Resized and recompressed
Weight male6–8 kg
Weight female5–7 kg
Shoulder height25–30 cm
Size classSmall (under 12 kg)
Fully grownat approx. 12 months
Life expectancy13–16 years
Activity levelVery high
OriginUnited Kingdom
ClassificationFCI Group 3 (Terriers)

Jack Russell Terrier: temperament & character

The Jack Russell Terrier is bold, alert, and remarkably self-assured, carrying a strong hunting and earth-dog heritage. It bonds closely with its family but can be reserved to vocal toward strangers.

How much exercise does a Jack Russell Terrier need?

This breed needs several long, active walks daily along with tasks such as search or retrieving games, agility, or earth-dog work. Without enough stimulation, it tends toward restlessness and destructive behavior.

Jack Russell Terrier: grooming & shedding

The short, smooth or slightly rough coat is low-maintenance and needs only occasional brushing. A weekly check of teeth and nails is generally sufficient.

Is the Jack Russell Terrier suitable for beginners?

The pronounced prey drive, stubbornness, and high exercise needs overwhelm many first-time owners. Those willing to commit to consistent training and ample activity can handle the breed well.

Jack Russell Terrier health problems

Known conditions include hereditary lens luxation, patellar luxation, and a rare, late-onset hereditary ataxia. Eye screening and, where relevant, a genetic test for the ataxia mutation are recommended for breeding dogs.

Is a Jack Russell Terrier right for you?

With childrenWith reservations
SheddingModerate
Grooming effortLow
BarkingA lot
Home alonePoor
Other petsRather not
TrainabilityModerate

The Jack Russell Terrier sheds moderately and is only conditionally suitable for allergy sufferers. What matters is a contact test of several hours before getting one — not the amount of coat. The trigger, Can f 1, sits in saliva and dander.

Good with: Active, experienced owners without small pets in the household

Is your Jack Russell Terrier at a healthy weight? Calculate the ideal weight and the right portion size for free in the Souldog app.

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This information is for general guidance and does not replace veterinary or breeder advice. Temperament and health vary individually within every breed.