Newfoundland
VS
Sealyham Terrier
Newfoundland vs Sealyham Terrier
Compare Newfoundland 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
Newfoundland
Sealyham Terrier
Breed type
Purebred
Purebred
Height
65 – 71 cm
30 – 31 cm
Weight
52 – 68 kg
8 – 9 kg
Life expectancy
8 – 10 years
12 – 14 years
Child friendly
5/5
4/5
Energy level
3/5
4/5
Intelligence
4/5
4/5
Trainability
4/5
3/5
Health
2/5
4/5
Grooming needs
4/5
3/5
Shedding
5/5
1/5
Barking level
3/5
4/5
Aggressiveness
2/5
2/5
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Characteristics
Newfoundland
Great with kids
Super smart
Easy to train
Giant
Sealyham Terrier
Great with kids
High energy
Super smart
Small
Summary
About Newfoundland
The Newfoundland is a giant, water‑loving working dog with a dense, heavy‑shedding coat and notable drooling. Calm, loyal, and gentle with children, it needs close family contact, kind training, moderate exercise, careful grooming, space, and proactive health care for joints, heart, and bloat.
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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