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Jack Russell Terrier
Terrier breed from England
Breed overview
Reviewed · Database recordAbout the Jack Russell Terrier
The Jack Russell Terrier is a small, energetic terrier breed originating in England. It has a short, predominantly white coat with markings, and a sturdy build. Known for being energetic, intelligent, alert, courageous, confident, and playful, this breed was originally developed for fox hunting. Individual temperaments can vary, so not every dog will display all these traits equally. The breed's recognition status varies by registry, and its size is estimated: males and females typically weigh 6–8 kg and stand 25–30 cm tall. Lifespan is estimated at 12–14 years.
Quick facts
Jack Russell Terrier at a glance
Sizesmall
Breed groupTerrier
OriginEngland
Lifespan12–14 years
Male weight6–8 kilogram
Female weight6–8 kilogram
Male height25–30 centimetre
Female height25–30 centimetre
Origin and history
Where the breed comes from
The Jack Russell Terrier was developed in southern England during the mid-1800s by Reverend John Russell, a hunting enthusiast. The breed was created for fox hunting, specifically to bolt foxes from their dens. The shorter-legged variety standard was primarily developed in Australia. The breed's history is rooted in its working purpose as an earth-working terrier, though specific dates of development or recognition are not precisely documented. The breed's origins are in England, and its recognition status varies by registry, meaning it is not universally recognized by all kennel clubs.
Physical characteristics
Structured dataSize, build and coat
Female
6–8 kilogramAdult weight25–30 centimetreAdult heightCoat typesShortCoat colorsWhite with markingsRecognitionvaries by registryData methodai assisted draft
Temperament
Typical breed tendencies
Energeticintelligentalertcourageousconfidentplayful
Breed tendencies are general guidance. Individual behavior depends on genetics, socialization, training, health and environment.
Exercise, training and maintenance
1–5 methodologyDaily care profile
Higher daily exercise demand
Typically responsive to training
Lower coat-maintenance demand
Moderate compared with other breeds
Family suitability
Home and household fit
Supervise every dog–child interaction.
Introductions and socialization still matter.
Exercise, enrichment and noise tolerance affect fit.
Climate suitability
Modelled tendency · low confidence
Modelled tendency · low confidence
Modelled tendency · low confidence
A general morphology-based tendency. Individual dogs still require shade, shelter, water, acclimation and weather-appropriate activity. Method: climate-morphology-v1.
Health overview
Veterinary sources requiredHealth considerations
No Jack Russell Terrier-specific screening programme or peer-reviewed disorder-prevalence study is currently attached to this profile. This is not evidence that the breed has no health risks. Owners should use routine preventive veterinary care and discuss screening appropriate to the individual dog's history, examination and family line.
Veterinary disclaimer: This profile is educational and does not replace examination, diagnosis or treatment by a veterinarian.
Feeding overview
Nutrition and feeding
Research in progress
Reviewed feeding guidance will appear after an approved source is imported and editorially reviewed.
Decision support
Potential advantages and challenges
Potential advantages
- Typically responsive to consistent training.Supported by trainabilityScore: 4
Potential challenges
- Higher daily exercise and enrichment needs may not suit every household.Supported by energyScore: 5
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Growth chart
Jack Russell Terrier puppy growth
Modeled estimates
Open interactive chart From puppy weight to adult size
Compare male and female growth, check weight by age and estimate mature size.
Adult male weight6–8 kilogramAdult female weight6–8 kilogramGrowth modeladult-range-size-model-v1
Preview only. Open the complete chart to adjust age, current weight and measurement units.
Frequently asked questions
Common questions
What is the size and lifespan of a Jack Russell Terrier?
Based on modelled estimates, adult Jack Russell Terriers typically weigh 6–8 kg and stand 25–30 cm tall at the shoulder. Their lifespan is estimated at 12–14 years. These figures are estimates and may vary among individual dogs.
What is the temperament of a Jack Russell Terrier?
The breed is described as energetic, intelligent, alert, courageous, confident, and playful. However, individual dogs may not exhibit all these traits, and temperament can vary. They are known for their lively and bold nature.
How much exercise does a Jack Russell Terrier need?
With an energy score of 5 out of 5, this breed requires a high level of exercise. They are very energetic and need regular physical activity to stay healthy and content. Owners should be prepared for an active dog.
What are the grooming requirements for a Jack Russell Terrier?
Grooming needs are low, with a score of 2 out of 5. They have a short coat that requires minimal maintenance. Shedding is moderate, with a score of 3 out of 5.
Is a Jack Russell Terrier suitable for families with children or other dogs?
Child suitability is rated 3 out of 5, indicating moderate compatibility, but individual dogs may vary. Dog compatibility is also rated 3 out of 5. Early socialization and training are important. They may not always get along with other dogs, especially of the same sex.
Can a Jack Russell Terrier live in an apartment?
Apartment suitability is rated 2 out of 5, meaning they are not ideal for small spaces without ample exercise. They are very energetic and need room to run and play. A house with a yard is generally more suitable.
Where did the Jack Russell Terrier originate?
The breed originated in England, developed in southern England during the mid-1800s by Reverend John Russell for fox hunting. The shorter-legged variety standard was primarily developed in Australia.
Data transparency
✓ Published · VerifiedSources and review status
APIThe Dog API ↗The Dog API Terms of Service (effective 2023-07-01)
VETERINARY SOURCEWSAVA Global Nutrition Guidelines and Toolkit ↗Copyright; factual citation and original summary only
Image source: The Dog API. Last reviewed 7/20/2026.