Mastiff
VS
Welsh Terrier
Mastiff vs Welsh Terrier
Compare Mastiff and Welsh Terrier 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
Mastiff
Welsh Terrier
Breed type
Purebred
Purebred
Height
70 – 91 cm
38 – 39 cm
Weight
75 – 110 kg
9 – 10 kg
Life expectancy
10 – 12 years
12 – 13 years
Child friendly
3/5
5/5
Energy level
3/5
3/5
Intelligence
4/5
4/5
Trainability
3/5
4/5
Health
2/5
5/5
Grooming needs
3/5
4/5
Shedding
3/5
1/5
Barking level
3/5
4/5
Aggressiveness
2/5
3/5
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Characteristics
Mastiff
Super smart
Giant
Welsh Terrier
Great with kids
Super smart
Easy to train
Small
Summary
About Mastiff
The Mastiff is a giant, heavily built guardian dog, calm and dignified yet deeply devoted to its family. It is watchful rather than aggressive, needs gentle, consistent training, moderate exercise, and space. Its short coat is easy to maintain, but drool, health care, and costs are significant.
About Welsh Terrier
Medium-sized, sturdy Welsh terrier with a wiry black-and-tan coat that sheds little but needs regular stripping. Bred in Wales to hunt, it is active, bold, affectionate yet independent, with strong chase instincts. Intelligent and trainable, it thrives on firm, positive guidance and daily exercise.
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