Bostonterrier
VS
Cavalier King Charles Spaniel
Bostonterrier vs Cavalier King Charles Spaniel
Compare Bostonterrier and Cavalier King Charles Spaniel 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
Bostonterrier
Cavalier King Charles Spaniel
Breed type
Purebred
Purebred
Height
38 – 43 cm
30 – 35 cm
Weight
7 – 11 kg
5 – 8 kg
Life expectancy
10 – 14 years
10 – 16 years
Child friendly
5/5
4/5
Energy level
3/5
3/5
Intelligence
3/5
3/5
Trainability
4/5
2/5
Health
3/5
2/5
Grooming needs
2/5
3/5
Shedding
3/5
3/5
Barking level
3/5
3/5
Aggressiveness
2/5
3/5
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Characteristics
Bostonterrier
Great with kids
Low grooming
Easy to train
Small
Cavalier King Charles Spaniel
Great with kids
Stubborn
Small
Summary
About Bostonterrier
The Bostonterrier is a small, sturdy, people‑focused companion with a square build and short, tuxedo‑patterned coat. Cheerful, affectionate, and adaptable, it enjoys both play and relaxing with its family. Grooming is simple, but its short nose and prominent eyes need extra health care.
About Cavalier King Charles Spaniel
Small, gentle spaniel (5.4–8 kg) with a silky medium coat in Blenheim, Tricolour, Black and Tan, or Ruby. Affectionate, people oriented, and good with children and other pets. Needs regular grooming, moderate exercise, and dislikes long periods alone.
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