American Staffordshire Terrier vs Cavalier King Charles Spaniel
Terrier · Medium vs Toy · Small
American Staffordshire TerrierMedium
A confident, smart, good-natured terrier — the AmStaff, larger cousin of the Staffy.
Weight: 55–70 lbsLifespan: 12–16 years
Cavalier King Charles SpanielSmall
An affectionate, gentle, graceful spaniel — bred as a lapdog companion to British royalty.
Weight: 13–18 lbsLifespan: 12–15 years
Quick take
- • American Staffordshire Terrier is the larger breed at 55–70 lbs (males) vs 13–18 lbs for the Cavalier King Charles Spaniel.
- • The American Staffordshire Terrier typically lives longer (12–16 years).
- • The American Staffordshire Terrier has higher daily energy needs.
Side-by-side traits
| Trait | American Staffordshire Terrier | Cavalier King Charles Spaniel |
|---|---|---|
Group | Terrier | Toy |
Size | Medium | Small |
Origin | USA | England |
Height (male) | 18–19" | 12–13" |
Height (female) | 17–18" | 12–13" |
Weight (male) | 55–70 lbs | 13–18 lbs |
Weight (female) | 40–55 lbs | 13–18 lbs |
Lifespan Average expected lifespan. | 12–16 years | 12–15 years |
Energy level Daily activity needs. | High (4/5) | Moderate (3/5) |
Trainability How quickly the breed learns commands. | High (4/5) | High (4/5) |
Intelligence Problem-solving ability. | High (4/5) | High (4/5) |
Exercise needs Daily physical activity required. | High (4/5) | Moderate (3/5) |
Shedding Lower = less hair around your home. | Moderate (3/5) | Moderate (3/5) |
Grooming effort Brushing, bathing, professional grooming. | Very Low (1/5) | Moderate (3/5) |
Drooling Lower = drier face and furniture. | Low (2/5) | Very Low (1/5) |
Barking How vocal the breed is. | Low (2/5) | Low (2/5) |
Good with kids | High (4/5) | Very High (5/5) |
Good with other dogs | Low (2/5) | Very High (5/5) |
Good with strangers | Moderate (3/5) | Very High (5/5) |
Protectiveness Watchdog tendencies. | High (4/5) | Very Low (1/5) |
Adaptability Apartment / new environment tolerance. | High (4/5) | Very High (5/5) |
Coat length | short | medium |
Hypoallergenic Lower-shedding, less dander. | No | No |
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About the American Staffordshire Terrier
The American Staffordshire Terrier is a confident, smart, good-natured terrier — the AmStaff, larger cousin of the Staffy. Originally from USA, this medium terrier breed typically weighs 55–70 lbs and lives 12–16 years. Breeders describe them as confident, smart, good-natured.
About the Cavalier King Charles Spaniel
The Cavalier King Charles Spaniel is an affectionate, gentle, graceful spaniel — bred as a lapdog companion to British royalty. Originally from England, this small toy breed typically weighs 13–18 lbs and lives 12–15 years. Breeders describe them as affectionate, gentle, graceful.
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American Staffordshire Terrier health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Heart disease
- • Skin allergies
- • Cerebellar ataxia
Cavalier King Charles Spaniel health
Common health concerns reported in this breed:
- • Mitral valve disease
- • Syringomyelia
- • Hip dysplasia
- • Eye problems