Bullmastiff
VS
Australian Terrier
Bullmastiff vs Australian Terrier
Compare Bullmastiff and Australian 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
Australian Terrier
Breed type
Purebred
Purebred
Height
61 – 69 cm
21 – 25 cm
Weight
41 – 59 kg
5 – 7 kg
Life expectancy
8 – 10 years
10 – 16 years
Child friendly
5/5
4/5
Energy level
3/5
3/5
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
Characteristics
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Australian Terrier
Great with kids
Tiny
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 Australian Terrier
The Australian Terrier is a small, sturdy working terrier with a harsh, weatherproof coat and soft topknot. Bred in Australia as a vermin controller and companion, it is confident, lively, people‑oriented, a devoted watchdog, needing moderate exercise and regular, simple grooming.
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