Old English Sheepdog
VS
Spanish Mastiff
Old English Sheepdog vs Spanish Mastiff
Compare Old English Sheepdog 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
Old English Sheepdog
Spanish Mastiff
Breed type
Purebred
Purebred
Height
56 – 70 cm
72 – 85 cm
Weight
25 – 50 kg
70 – 120 kg
Life expectancy
10 – 12 years
8 – 12 years
Child friendly
5/5
4/5
Energy level
5/5
3/5
Intelligence
3/5
3/5
Trainability
4/5
3/5
Health
3/5
4/5
Grooming needs
5/5
2/5
Shedding
1/5
3/5
Barking level
4/5
3/5
Aggressiveness
2/5
3/5
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Characteristics
Old English Sheepdog
Great with kids
High energy
Easy to train
Giant
Spanish Mastiff
Great with kids
Low grooming
Giant
Summary
About Old English Sheepdog
The Old English Sheepdog is a large, shaggy, athletic herding breed with a dense double coat needing regular grooming or a shorter pet clip. Affectionate, clownish, and people focused, it’s intelligent but sometimes stubborn, thriving with consistent training and daily mental and physical exercise.
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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