Bullmastiff vs Cocker Spaniel

Working · Large vs Sporting · Small

Quick take
  • Bullmastiff is the larger breed at 110–130 lbs (males) vs 25–30 lbs for the Cocker Spaniel.
  • The Cocker Spaniel typically lives longer (10–14 years).
  • The Cocker Spaniel has higher daily energy needs.
  • The Bullmastiff sheds less.

Side-by-side traits

TraitBullmastiffCocker Spaniel
Group
WorkingSporting
Size
LargeSmall
Origin
EnglandUSA
Height (male)
25–27"14.5–15.5"
Height (female)
24–26"13.5–14.5"
Weight (male)
110–130 lbs25–30 lbs
Weight (female)
100–120 lbs20–25 lbs
Lifespan
Average expected lifespan.
7–9 years10–14 years
Energy level
Daily activity needs.
Moderate (3/5)High (4/5)
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.
Moderate (3/5)Moderate (3/5)
Shedding
Lower = less hair around your home.
Low (2/5)Moderate (3/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)High (4/5)
Drooling
Lower = drier face and furniture.
Very High (5/5)Low (2/5)
Barking
How vocal the breed is.
Low (2/5)High (4/5)
Good with kids
High (4/5)Very High (5/5)
Good with other dogs
Moderate (3/5)High (4/5)
Good with strangers
Moderate (3/5)High (4/5)
Protectiveness
Watchdog tendencies.
Very High (5/5)Low (2/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)High (4/5)
Coat length
shortlong
Hypoallergenic
Lower-shedding, less dander.
NoNo
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About the Bullmastiff

The Bullmastiff is an affectionate, loyal, brave gamekeeper's night dog — Mastiff-Bulldog cross bred to subdue poachers. Originally from England, this large working breed typically weighs 110–130 lbs and lives 7–9 years. Breeders describe them as affectionate, loyal, brave.

About the Cocker Spaniel

The Cocker Spaniel is a gentle, smart, happy gundog — Disney's Lady, with the gorgeous flowing coat and merry tail. Originally from USA, this small sporting breed typically weighs 25–30 lbs and lives 10–14 years. Breeders describe them as gentle, smart, happy.

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Bullmastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Cancer
  • Heart problems

Cocker Spaniel health

Common health concerns reported in this breed:

  • Eye conditions
  • Ear infections
  • Hip dysplasia
  • Heart disease