Great Pyrenees
VS
Bullmastiff
Great Pyrenees vs Bullmastiff
Compare Great Pyrenees 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
Great Pyrenees
Bullmastiff
Breed type
Purebred
Purebred
Height
65 – 80 cm
61 – 69 cm
Weight
34 – 60 kg
41 – 59 kg
Life expectancy
10 – 12 years
8 – 10 years
Child friendly
5/5
5/5
Energy level
3/5
3/5
Intelligence
4/5
3/5
Trainability
3/5
2/5
Health
2/5
3/5
Grooming needs
4/5
2/5
Shedding
5/5
3/5
Barking level
3/5
3/5
Aggressiveness
3/5
4/5
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Characteristics
Great Pyrenees
Great with kids
Super smart
Giant
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Summary
About Great Pyrenees
Large, calm livestock guardian from the Pyrenees, the Great Pyrenees is a powerful white, heavy‑shedding dog with a thick coat and double dewclaws. Gentle yet strongly protective, it needs secure fencing, steady socialization, mental stimulation, and experienced, patient handling.
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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