An unmistakable, muscular terrier with an egg-shaped head and small triangular eyes, originally bred in 19th-century England from bulldog and terrier stock. Playful, mischievous and deeply devoted, with a clownish, energetic personality.
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Educational only. KinStation content is reviewed by licensed veterinarians but cannot replace an in-person exam. Always consult a licensed veterinarian or board-certified specialist for diagnosis, treatment, or any decision affecting your pet's health.
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From the minimum an animal needs to be kept humanely, up to the ideal setup. Bigger is almost always better — minimums are floors, not targets.
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Minimum
Home with daily structured exercise
Apartment/house + 60 min daily exercise
Medium dogs need at least an hour of varied daily exercise — leashed walks plus off-lead play or training. Apartment living is workable only if exercise commitments are met every day; crate-train and allow supervised free-roam at home.
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Recommended
Home with fenced yard + training time
House + fenced yard + 60–90 min varied exercise
A home with a securely fenced yard, daily walks plus off-lead play, and ongoing training keeps a medium dog mentally satisfied. Add a sport or hobby (fetch, scent games, agility intro) for breeds with extra drive. High-drive working breed — the recommended tier still demands daily structured mental work (training, scent games, herding ball, fetch with rules), not just walks.
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Ideal
Active home with a job or sport
Suburban/rural home + secure yard + canine sport
Powerful athletic terrier — agility or weight pull suits the drive. — ideal is acreage or rural property paired with a daily job or canine sport: herding stock, scent detection, agility, protection sport, sledding, gundog field work, or a structured working role. Without that outlet, expect destructive behaviour, reactivity, and welfare-relevant frustration.
Life & growth stages
How this animal changes through its life — each stage often has its own care, diet and space needs.
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Newborn
Newborn mammals are nursed on their mother's milk. Many are born helpless — blind, deaf, and sparsely furred (altricial, as in dogs, cats, and rodents) — while others stand and follow within hours (precocial, as in hoofed livestock).
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Juvenile
After weaning, juveniles grow quickly and become increasingly active, playful, and independent. Adult coat, proportions, and (in many species) the permanent teeth come in as they approach full size.
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Adult
Adults reach full body size and sexual maturity, with the species' mature coat and build. Sexual dimorphism — differences in size, mane, horns, or markings — is pronounced in some mammals and subtle in others.
Senior
Senior animals show aging signs such as graying fur, reduced activity, and a greater need for veterinary monitoring of joints, teeth, and organ function. Lifespan and the onset of old age vary widely by species and size.
Color & pattern variants
Natural variants occur in the wild; selectively bred (man-made) variants were developed in captivity.
Adaptable to apartment or house living provided exercise needs are met, but does best with space and a securely fenced yard. Needs 45-60+ minutes of daily vigorous exercise and structured play to burn energy and prevent boredom-driven destructiveness. Powerful and strong; not a dog to leave loose and unsupervised. Should live indoors with the family — sensitive to heat and cold.
Diet
Feed a balanced diet portioned to maintain lean muscle, not bulk; obesity stresses joints and the heart. Adjust for the high energy of younger dogs. Not classically a bloat breed, but feeding two meals and avoiding heavy exercise immediately after eating is prudent. Some lines have skin/allergy sensitivities — a simple, high-quality diet helps, and work with a vet if itching, ear infections, or food reactions appear.
Behavior & temperament
Affectionate, comical, courageous and exuberant — often described as a '3-year-old child in a dog suit.' Highly people-oriented and forms strong bonds; thrives on company and dislikes isolation. Intelligent but independent and strong-willed — early, consistent, reward-based training and thorough socialization are essential. Can show dog-directed reactivity and high prey drive; supervise around other dogs and small pets. Good with children when raised together, but its strength and exuberance mean supervision with young kids.
Health
Important predispositions: hereditary nephritis and other kidney disease (UPC urine protein:creatinine and BUN/creatinine screening recommended), congenital deafness — especially in white dogs (BAER hearing test of breeding stock and pups), and heart disease including mitral valve dysplasia and subaortic stenosis (cardiac exam/echo). Also seen: patellar luxation, skin allergies/atopy, lethal acrodermatitis (a DNA test is available), and compulsive behaviors such as tail-chasing and trance-like spinning. Screening: BAER hearing, cardiac evaluation, kidney testing, and patella check.
Tips, DIY & hacks
Short, flat, glossy coat is very low-maintenance — weekly brushing and occasional baths; sheds modestly year-round, more during seasonal turnover. Check skin for sunburn (especially on white dogs and pink skin), allergies, and irritation. Mental enrichment is as important as physical exercise: puzzle toys, training games, and a job prevent obsessive habits. Start obedience and socialization early; this is a strong, determined breed that benefits from clear, kind leadership.
