Cairn Terrier

Bold and self-reliant; can be vocal and loves to dig.
A Cairn Terrier
Photo: Ketterechts
Adult weight
6–7.5 kg
13–17 lb
Lifespan
14 yrs
Class · Family
also Companion

What it's like

In temperament the Cairn is bold, inquisitive and self-reliant. It can be vocal and is keen to dig. It is generally friendly with people, and its independence is often linked to its work as an earth dog.

Day to day
Activity
A good daily walk and play
Intelligence
Learns readily, likes games
Handler demand
Needs steady training
With people
Affection
Likes its own space
Loyalty
Bonded to its family
Independence
Decides for itself
Around the home
Sensitivity
Hardy, takes a busy home in its stride
Voice
Very vocal
Prey drive
Likely to chase small pets
Breed explains only about 9% of how individual dogs differ in behaviour1. Meet the dog. A good breeder breeds for temperament as well as health, and matches each puppy's personality to the right home2,3.
Is a Cairn Terrier right for you?
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Living with one

It has a wire or harsh coat. Loose hair stays caught in the coat until it is brushed, stripped or clipped out. Plan on a brush once a week, plus hand-stripping two or three times a year. It needs a moderate amount of exercise compared with other breeds.

Size and growth

A Cairn Terrier is a small dog, about the weight of a grown Cavalier King Charles Spaniel.

It is short-legged but agile, with a deep chest and strong hindquarters. Its broad, foxy head carries small, pointed, upright ears, and its teeth are large for its size. The double coat has a harsh, weather-resistant outer layer over a short, soft undercoat. A slightly shaggy, natural look is preferred to heavy trimming. Colours include cream, wheaten, red, grey and nearly black, often with brindling and darker ears and muzzle. A brindled Cairn's colour can change markedly over its life.

Puppy growth

Reference curve · community data appears as owners log
By about 3 months, a male Cairn Terrier puppy is already as heavy as a grown Chihuahua. They grow fastest between 3 and 4 months old. The chart follows Cairn Terriers themselves, not a general size band.
Fully grown
10 mo
Both sexes, at 99% of adult weight6
Male
Female
Shaded: expected range
024682m4m6m9m12m18m
024682m3m4m6m9m12m18m
Age
Male
Female
2 months
1.4–1.8 kg 3.1–4.0 lb
1.4–1.8 kg 3.1–4.0 lb
3 months
2.4–3.0 kg 5.3–6.6 lb
2.4–3.0 kg 5.3–6.6 lb
4 months
3.5–4.3 kg 7.7–9.5 lb
3.5–4.3 kg 7.7–9.5 lb
5 months
4.4–5.6 kg 9.7–12.3 lb
4.4–5.6 kg 9.7–12.3 lb
6 months
5.1–6.4 kg 11.2–14.1 lb
5.1–6.4 kg 11.2–14.1 lb
7 months
5.6–6.9 kg 12.3–15.2 lb
5.6–6.9 kg 12.3–15.2 lb
8 months
5.8–7.2 kg 12.8–15.9 lb
5.8–7.2 kg 12.8–15.9 lb
9 months
5.9–7.4 kg 13.0–16.3 lb
5.9–7.4 kg 13.0–16.3 lb
10 months
5.9–7.4 kg 13.0–16.3 lb
5.9–7.4 kg 13.0–16.3 lb
11 months
6–7.5 kg 13–17 lb
6–7.5 kg 13–17 lb
12 months
6–7.5 kg 13–17 lb
6–7.5 kg 13–17 lb

Health and lifespan

In UK vet records, dry eye turns up more often in Cairn Terriers than in crossbreeds: it is much more likely. It is not rated serious. These are figures for the breed as a whole, not a prediction for your dog.
Listed by likelihood level, highest first, then by how serious it is, then by name.
  • Dry eye
    Much more likely
    Impact: moderate

For your vet

Some Cairns inherit fewer, larger platelets while otherwise healthy, so a low platelet count on routine bloodwork isn't necessarily disease. A DNA test can tell this inherited pattern apart from an acquired one.

Lifespan

In UK vet records, the typical Cairn Terrier lived to about 14 years, longer than the typical small breed.

Where it comes from

The Cairn Terrier takes its name from the cairns, the stone piles of the Highland moors, and on Skye and in the Western Highlands it was set to protect game from vermin from the 1600s on. It shares ancestry with the Skye, Scottish and West Highland White Terriers, and at its first shows it was entered as a short-haired Skye. In 1939 a Cairn called Terry played Toto in The Wizard of Oz11,12.

The Cairn Terrier took its present shape as a show breed in the early twentieth century. Skye Terrier breeders objected to the label short-haired Skye, and the name Cairn was adopted around the time of Kennel Club recognition. Crossing with the West Highland White was once common, and a single litter could produce both types. The practice was later barred, and the two breeds have been bred separately since. The Cairn was bred to work among rocks and to bolt foxes and other quarry from their dens.

Breed standard

The Cairn Terrier is judged against standard no. 4, in group 3, Terriers4.

Questions people ask

General guidance for dogs rather than a measured Cairn Terrier figure: most females have a first season somewhere between six and fifteen months, and cycles then settle to roughly every 180 days. Smaller breeds tend to start earlier and larger ones later, so a small breed is most likely at the early end.

Compare with related

West Highland White Terrier
Terriers · Small
Border Terrier
Terriers · Small
Norwich Terrier
Terriers · Small
Australian Terrier
Terriers · Small
Or compare the Cairn Terrier with any breed you choose
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Sources

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Parts of this page were written by AI ·