King Charles Spaniel
VS
Jack Russell Terrier
King Charles Spaniel vs Jack Russell Terrier
Compare King Charles Spaniel and Jack Russell 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
King Charles Spaniel
Jack Russell Terrier
Breed type
Purebred
Purebred
Height
29 – 30 cm
25 – 30 cm
Weight
3 – 9 kg
5 – 6 kg
Life expectancy
10 – 14 years
13 – 16 years
Child friendly
4/5
5/5
Energy level
3/5
5/5
Intelligence
3/5
5/5
Trainability
3/5
5/5
Health
3/5
4/5
Grooming needs
3/5
2/5
Shedding
3/5
3/5
Barking level
3/5
5/5
Aggressiveness
3/5
3/5
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Characteristics
King Charles Spaniel
Great with kids
Small
Jack Russell Terrier
Great with kids
High energy
Super smart
Low grooming
Easy to train
Tiny
Summary
About King Charles Spaniel
Small, aristocratic toy spaniel with a domed head, short nose and large dark eyes, bred as a devoted lap companion. Calm indoors with moderate exercise needs, it thrives on constant human contact. Long, silky coat needs regular grooming; prone to heart, eye and brachycephalic‑related issues.
About Jack Russell Terrier
Jack Russell Terrier: small, sturdy, energetic fox-hunting terrier with bold, intelligent nature. Needs 1–2 hours of daily exercise plus mental work. Predominantly white, three coat types, strong digging and prey drive. Affectionate with family but demanding and unsuited to very sedentary homes.
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