Collie
VS
Sealyham Terrier
Collie vs Sealyham Terrier
Compare Collie and Sealyham 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
Collie
Sealyham Terrier
Breed type
Purebred
Purebred
Height
51 – 61 cm
30 – 31 cm
Weight
16 – 34 kg
8 – 9 kg
Life expectancy
14 – 16 years
12 – 14 years
Child friendly
5/5
4/5
Energy level
5/5
4/5
Intelligence
5/5
4/5
Trainability
5/5
3/5
Health
4/5
4/5
Grooming needs
3/5
3/5
Shedding
5/5
1/5
Barking level
4/5
4/5
Aggressiveness
1/5
2/5
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Characteristics
Collie
Great with kids
High energy
Super smart
Easy to train
Large
Sealyham Terrier
Great with kids
High energy
Super smart
Small
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 Sealyham Terrier
Compact Welsh terrier bred for hunting but affectionate and calm at home. Sturdy, low body with a distinctive white double coat, beard and eyebrows needing regular grooming. Intelligent, independent and moderate in exercise needs, it suits engaged families; the breed is now relatively rare.
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