Collie
VS
Spanish Mastiff
Collie vs Spanish Mastiff
Compare Collie 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
Collie
Spanish Mastiff
Breed type
Purebred
Purebred
Height
51 – 61 cm
72 – 85 cm
Weight
16 – 34 kg
70 – 120 kg
Life expectancy
14 – 16 years
8 – 12 years
Child friendly
5/5
4/5
Energy level
5/5
3/5
Intelligence
5/5
3/5
Trainability
5/5
3/5
Health
4/5
4/5
Grooming needs
3/5
2/5
Shedding
5/5
3/5
Barking level
4/5
3/5
Aggressiveness
1/5
3/5
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Characteristics
Collie
Great with kids
High energy
Super smart
Easy to train
Large
Spanish Mastiff
Great with kids
Low grooming
Giant
Summary
About Collie
The Collie is an intelligent, medium‑large herding dog with a long double coat needing regular grooming. Gentle, loyal, and sensitive, it bonds closely with family and prefers kind training. Adaptable to town or country, it needs daily mental stimulation and exercise to stay content.
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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