Cairn Terrier vs Mastiff

Terrier · Small vs Working · Giant

Quick take
  • Mastiff is the larger breed at 160–230 lbs (males) vs 14 lbs for the Cairn Terrier.
  • The Cairn Terrier typically lives longer (13–15 years).
  • The Cairn Terrier has higher daily energy needs.
  • The Cairn Terrier sheds less.

Side-by-side traits

TraitCairn TerrierMastiff
Group
TerrierWorking
Size
SmallGiant
Origin
ScotlandEngland
Height (male)
10"30"
Height (female)
9.5"27.5"
Weight (male)
14 lbs160–230 lbs
Weight (female)
13 lbs120–170 lbs
Lifespan
Average expected lifespan.
13–15 years6–10 years
Energy level
Daily activity needs.
High (4/5)Low (2/5)
Trainability
How quickly the breed learns commands.
Moderate (3/5)Moderate (3/5)
Intelligence
Problem-solving ability.
High (4/5)Moderate (3/5)
Exercise needs
Daily physical activity required.
Moderate (3/5)Low (2/5)
Shedding
Lower = less hair around your home.
Very Low (1/5)Moderate (3/5)
Grooming effort
Brushing, bathing, professional grooming.
Moderate (3/5)Very Low (1/5)
Drooling
Lower = drier face and furniture.
Very Low (1/5)Very High (5/5)
Barking
How vocal the breed is.
High (4/5)Low (2/5)
Good with kids
Very High (5/5)High (4/5)
Good with other dogs
Moderate (3/5)Moderate (3/5)
Good with strangers
High (4/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
Moderate (3/5)Very High (5/5)
Adaptability
Apartment / new environment tolerance.
Very High (5/5)Moderate (3/5)
Coat length
wirehairedshort
Hypoallergenic
Lower-shedding, less dander.
YesNo
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About the Cairn Terrier

The Cairn Terrier is an alert, cheerful, busy little Scottish ratter — Toto from The Wizard of Oz, the 'small dog with big heart'. Originally from Scotland, this small terrier breed typically weighs 14 lbs and lives 13–15 years. Breeders describe them as alert, cheerful, busy.

About the Mastiff

The Mastiff is a courageous, dignified, good-natured giant — one of the most ancient breeds, formerly war dogs. Originally from England, this giant working breed typically weighs 160–230 lbs and lives 6–10 years. Breeders describe them as courageous, dignified, good-natured.

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Cairn Terrier health

Common health concerns reported in this breed:

  • Patellar luxation
  • Eye disorders
  • Hypothyroidism

Mastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Cancer