Belgian Shepherd Groenendael
VS
Spanish Mastiff
Belgian Shepherd Groenendael vs Spanish Mastiff
Compare Belgian Shepherd Groenendael and Spanish Mastiff 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
Belgian Shepherd Groenendael
Spanish Mastiff
Breed type
Purebred
Purebred
Height
57 – 62 cm
72 – 85 cm
Weight
20 – 30 kg
70 – 120 kg
Life expectancy
10 – 14 years
8 – 12 years
Child friendly
5/5
4/5
Energy level
4/5
3/5
Intelligence
5/5
3/5
Trainability
5/5
3/5
Health
4/5
4/5
Grooming needs
3/5
2/5
Shedding
4/5
3/5
Barking level
4/5
3/5
Aggressiveness
3/5
3/5
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Characteristics
Belgian Shepherd Groenendael
Great with kids
High energy
Super smart
Easy to train
Large
Spanish Mastiff
Great with kids
Low grooming
Giant
Summary
About Belgian Shepherd Groenendael
Medium‑large, square‑built Belgian herding dog with a long, dense, solid black coat. Intelligent, energetic, and highly trainable, it excels in sports and working roles. Deeply loyal, watchful, and people‑oriented, it needs daily exercise, mental work, and regular grooming.
About Spanish Mastiff
Large, powerful livestock guardian, calm and observant yet strongly protective. Quiet and laid back at home if well exercised, deeply loyal with family and usually reserved with strangers. Independent and thoughtful, it suits experienced owners with space, structure and early socialisation.
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