Bullmastiff
VS
Flat Coated Retriever
Bullmastiff vs Flat Coated Retriever
Compare Bullmastiff and Flat Coated Retriever 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
Flat Coated Retriever
Breed type
Purebred
Purebred
Height
61 – 69 cm
56 – 61 cm
Weight
41 – 59 kg
25 – 36 kg
Life expectancy
8 – 10 years
8 – 14 years
Child friendly
5/5
5/5
Energy level
3/5
3/5
Intelligence
3/5
5/5
Trainability
2/5
5/5
Health
3/5
2/5
Grooming needs
2/5
4/5
Shedding
3/5
3/5
Barking level
3/5
2/5
Aggressiveness
4/5
2/5
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Characteristics
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Flat Coated Retriever
Great with kids
Super smart
Quiet
Easy to train
Large
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 Flat Coated Retriever
Flat Coated Retrievers are medium‑large, athletic gundogs with sleek black or liver coats and friendly, puppy‑like attitudes. Energetic, people‑oriented, and highly trainable, they need plenty of exercise, positive training, close family life, and attentive health care.
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