Bullmastiff vs Lancashire Heeler
Compare Bullmastiff and Lancashire Heeler 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
Lancashire Heeler
Breed type
Purebred
Purebred
Height
61 – 69 cm
23 – 30 cm
Weight
41 – 59 kg
5 – 8 kg
Life expectancy
8 – 10 years
12 – 15 years
Child friendly
5/5
4/5
Energy level
3/5
4/5
Intelligence
3/5
4/5
Trainability
2/5
3/5
Health
3/5
4/5
Grooming needs
2/5
2/5
Shedding
3/5
2/5
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
Lancashire Heeler
Great with kids
High energy
Super smart
Low grooming
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 Lancashire Heeler
Small, sturdy British farm dog, the Lancashire Heeler is energetic, intelligent and agile, with a compact, low-slung body and weatherproof black-and-tan or liver-and-tan coat. Affectionate yet independent, it needs regular training, mental stimulation and exercise, and remains a rare, vulnerable native breed.
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