The Pet Atlas

Breed Dogs Terrier

Cairn Terrier

Foxy scruff with fearless curiosity and stubborn cheer

At a glance

Basic requirements and commitment level

Daily requirements

Activity
Medium
Exercise
Medium
Mental stimulation
High
Trainability
Medium
Vocality
High
Health sensitivity
High
Grooming
Medium
Shedding
Low
Temperature sensitivity
Medium

Context & compatibility

Size
Small
Lifespan
13–15 years
Body weight
14–16 lb
Height
9–10 in
Apartment suitability
Can Adapt

Is this right for you?

Common scenarios where this breed tends to fit well or less well

A good match

  • Like a curious explorer on walks and don't need a "perfectly predictable" personality
  • Want a bold, funny small dog and enjoy daily play plus short, upbeat training sessions

Not ideal

  • Need a dog that's naturally gentle and non-chasey around small pets without supervision
  • Want a very quiet dog that rarely alerts and has zero interest in critters or digging

Social & behavior

Temperament and interaction style

Personality & activity

Curious and independent, often acting like they’re always one step from finding something important. Loves sniffing, exploring, and chase-style games.

Handling & social style

Confident and sometimes skeptical of being managed. Cooperative handling and short, upbeat sessions work better than repeated corrections.

Care & health

Setup, routines, and health considerations

Care overview

A sturdy, busy terrier—care is daily outlets, clear boundaries, and enough enrichment to prevent “self-employed” behavior.

Environment & space

Adapts well to smaller homes if exercised; secure outdoor time helps, and digging/barking habits improve with structure.

Daily routine

Brisk walks plus short skill practice and play. Give them legitimate sniffing and problem-solving time.

Health sensitivities

Weight control and steady fitness matter; stay consistent with preventive care and comfort checks as they age.

Grooming / coat

Wiry coat benefits from weekly brushing and periodic tidy-up grooming to maintain texture.

Background

Origins and how that history shapes what you see today

Origin region

Scottish Highlands

Background

From the Scottish Highlands, Cairns were working ratters named for the stone cairns where vermin hid. They needed to be fearless in tight spaces and persistent until the job was done. Today, many Cairns are lively and confident, and they often keep a strong prey-chase instinct even in suburban settings.