Bullmastiff
VS
Parson Russell Terrier
Bullmastiff vs Parson Russell Terrier
Compare Bullmastiff and Parson Russell Terrier side by side and get a clear picture of what sets the breeds apart. Explore differences in size, weight, temperament, activity level, and other key traits to more easily decide which breed best fits your lifestyle and circumstances.
Characteristic
Bullmastiff
Parson Russell Terrier
Breed type
Purebred
Purebred
Height
61 – 69 cm
32 – 36 cm
Weight
41 – 59 kg
5 – 8 kg
Life expectancy
8 – 10 years
13 – 15 years
Child friendly
5/5
3/5
Energy level
3/5
4/5
Intelligence
3/5
3/5
Trainability
2/5
3/5
Health
3/5
4/5
Grooming needs
2/5
3/5
Shedding
3/5
3/5
Barking level
3/5
4/5
Aggressiveness
4/5
3/5
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Characteristics
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Parson Russell Terrier
High energy
Small
Summary
About Bullmastiff
Large, powerful guardian originally bred to catch poachers, the Bullmastiff is calm, confident and deeply loyal, often bonding closely with one person. It has a short, low‑maintenance coat, needs space, consistent early training and socialisation to guide its natural protectiveness.
About Parson Russell Terrier
Parson Russell Terriers are medium‑small, long‑legged, athletic fox‑hunting terriers with smooth or broken white coats. Energetic, intelligent, bold, and affectionate, they need plenty of exercise, consistent training, mental stimulation, and clear boundaries in an active home.
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