Bullmastiff
VS
Cao da Serra de Aires
Bullmastiff vs Cao da Serra de Aires
Compare Bullmastiff and Cao da Serra de Aires 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
Cao da Serra de Aires
Breed type
Purebred
Purebred
Height
61 – 69 cm
42 – 55 cm
Weight
41 – 59 kg
12 – 18 kg
Life expectancy
8 – 10 years
11 – 15 years
Child friendly
5/5
4/5
Energy level
3/5
5/5
Intelligence
3/5
3/5
Trainability
2/5
4/5
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
Cao da Serra de Aires
Great with kids
High energy
Easy to train
Medium
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 Cao da Serra de Aires
The Cao da Serra de Aires is a medium Portuguese herding dog with a long, shaggy, low‑shedding coat and alert “monkey‑like” expression. Loyal, sensitive and intelligent, it needs plenty of exercise, mental stimulation and regular grooming, thriving as an active family companion.
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