Australian Cattle Dog
VS
Bullmastiff
Australian Cattle Dog vs Bullmastiff
Compare Australian Cattle Dog and Bullmastiff 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
Australian Cattle Dog
Bullmastiff
Breed type
Purebred
Purebred
Height
43 – 51 cm
61 – 69 cm
Weight
15 – 22 kg
41 – 59 kg
Life expectancy
12 – 15 years
8 – 10 years
Child friendly
3/5
5/5
Energy level
5/5
3/5
Intelligence
5/5
3/5
Trainability
5/5
2/5
Health
3/5
3/5
Grooming needs
3/5
2/5
Shedding
3/5
3/5
Barking level
3/5
3/5
Aggressiveness
2/5
4/5
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Characteristics
Australian Cattle Dog
High energy
Super smart
Easy to train
Medium
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Summary
About Australian Cattle Dog
Medium, muscular Australian working dog bred to drive cattle over long distances. Known for blue or red speckled double coat, pricked ears and alert expression. Highly intelligent, energetic, loyal and wary of strangers; needs extensive daily exercise, mental work and consistent positive training.
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.
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