Australian Terrier vs Cairn Terrier: Which Feisty Breed to Choose?

Lazar Jovanovic Lazar Jovanovic · Updated August 13, 2025
A small, fluffy brown dog with large ears sits in a wicker basket with a white fur lining, positioned in front of a white paneled wall.

The Australian Terrier and Cairn Terrier have unique origins that shaped their traits. Both breeds were developed for hunting small prey, but in different parts of the world. Let’s take a look at more information about these two dog breeds.

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Physical Characteristics

Australian Terriers and Cairn Terriers have distinct physical traits. Both breeds are small and sturdy with rough coats, but they differ in size, coat texture, and coloration.

Australian Terrier Details

  • Australian Terriers are slightly larger than Cairn Terriers. They stand about 10-11 inches tall at the shoulder and weigh between 15-20 pounds.
  • These dogs have a distinctive harsh coat that is longer on the body and shorter on the head and legs. Their coat colors include blue and tan, sandy, or red.
  • Australian Terriers have a waterproof double coat that sheds minimally. They need regular brushing and occasional trimming to maintain their neat appearance.

Cairn Terrier Details

  • Cairn Terriers are smaller, standing 9-10 inches tall and weighing 13-14 pounds. They have a compact, well-muscled body with a broad head and erect ears.
  • Their double coat is weather-resistant and shaggy. It comes in various colors such as cream, wheaten, red, gray, or brindle. The outer coat is wiry while the undercoat is soft.
  • Cairn Terriers require regular brushing to prevent matting. They shed little but need hand-stripping several times a year to maintain their coat texture and appearance.

A small, long-haired terrier with a brindle coat stands on green grass, facing left with its mouth open and tail raised.

Personality and Temperament

Australian Terriers and Cairn Terriers share many traits, but they also have unique personalities. Both breeds are known for their feisty nature and strong-willed character.

Temperament Comparison

  • Australian Terriers are confident and independent dogs. They are loyal to their families and can be affectionate with those they trust.
  • Cairn Terriers are also confident but tend to be more outgoing. They are known for their loving nature and strong bond with their owners.
  • Both breeds are intelligent and can be stubborn at times. This makes training a bit challenging, but with patience and consistency, they can learn quickly.

Energy and Playfulness

  • Australian Terriers and Cairn Terriers are both high-energy breeds. They need regular exercise and mental stimulation to stay happy and healthy.
  • Australian Terriers are playful and enjoy interactive games. They have a strong prey drive and love to chase small animals.
  • Cairn Terriers are equally playful and energetic. They are always ready for a game or adventure. Their activity level is high, and they need daily walks and playtime.
  • Both breeds can become bored easily without enough exercise, which may lead to destructive behavior.

Territorial and Protection Instincts

  • Australian Terriers have strong territorial instincts. They make excellent watchdogs and will alert their owners to any unusual activity.
  • Cairn Terriers are also protective of their families and homes. They have a loud bark for their size and won’t hesitate to use it when they sense danger.
  • Both breeds may be wary of strangers at first. Early socialization is important to help them become well-rounded dogs.
  • While they are protective, neither breed is typically aggressive. They are more likely to bark and alert their owners than to attack.

Living and Care

Australian Terriers and Cairn Terriers have different needs when it comes to living space and care. Both breeds require regular grooming and exercise, but their specific needs vary.

Australian Terrier Living Needs

  • Australian Terriers adapt well to various living environments. They can thrive in apartments or houses with yards. These dogs need moderate exercise, such as daily walks and playtime.
  • Australian Terriers have a wire coat that sheds minimally. They need weekly brushing and occasional trimming. Their grooming needs are not as demanding as some other terrier breeds.
  • These dogs are active indoors and can get some of their exercise through indoor play. However, they still benefit from outdoor activities. A small yard or regular trips to a dog park can help meet their exercise needs.

Cairn Terrier Living Needs

  • Cairn Terriers are adaptable to different living situations. They can do well in apartments if given enough exercise. These dogs have a high energy level and need daily walks and play sessions.
  • Cairn Terriers have a shaggy double coat that requires regular grooming. They need brushing several times a week and professional grooming every few months. Their coat doesn’t shed much, but it can mat without proper care.
  • These terriers are active and playful indoors. They enjoy exploring and can get some exercise through indoor games. However, they also need outdoor activities to burn off energy. A securely fenced yard is ideal, but not necessary if the owner provides regular walks and playtime.

Health and Lifespan

Australian Terriers and Cairn Terriers are generally healthy breeds. Both have some typical health issues to watch for and slightly different average lifespans.

Common Health Concerns

  • Australian Terriers may develop luxating patella, a condition where the kneecap slips out of place. They can also be prone to eye problems like glaucoma.
  • Cairn Terriers might face issues with their eyes and skin. They can develop allergies that cause skin irritation.
  • Both breeds can experience dental problems. Regular teeth cleaning helps prevent issues.
  • Australian Terriers may be at risk for diabetes. Owners should monitor their diet and exercise.
  • Cairn Terriers can have a rare genetic disorder called globoid cell leukodystrophy, also known as Krabbe disease. Genetic testing can identify carriers.

Life Expectancy of Each Breed

  • Australian Terriers typically live 11-14 years. With good care, many reach their early teens.
  • Cairn Terriers often have a slightly longer lifespan of 14-15 years. Some may even live into their late teens.
  • Regular vet check-ups help catch health issues early in both breeds. A healthy diet and exercise are key to a long life.
  • Both breeds benefit from mental stimulation to stay sharp as they age. Puzzle toys and training games can help keep their minds active.

Training and Socialization

Australian Terriers and Cairn Terriers are smart but independent breeds. They need consistent training and early socialization to become well-mannered pets.

Ease of Training

  • Australian Terriers are quick learners who respond well to training. They enjoy pleasing their owners but can be stubborn at times. Short, fun training sessions work best to keep their attention.
  • Cairn Terriers are also intelligent but can be more challenging to train. They have a strong-willed nature and may test boundaries. Positive reinforcement and treats help motivate them.
  • Both breeds benefit from early obedience training. Consistency is key to success with these terriers.

Socialization Requirements

  • Early socialization is crucial for both Australian and Cairn Terriers. It helps prevent shyness or aggression towards strangers and other animals.
  • Australian Terriers are generally friendly but can be wary of unfamiliar people. Regular exposure to new sights, sounds, and experiences as puppies helps them become well-adjusted adults.
  • Cairn Terriers have a bold personality and may be feisty with other dogs if not properly socialized. Puppy classes and controlled introductions to various people and animals are important.
  • Both breeds can develop separation anxiety if not taught to be comfortable alone. Gradual alone time training from a young age helps build their independence.

Two terrier dogs face each other on a grassy field, one with a Cairn Terrier's black and white coat and the other displaying the feisty terrier temperament with its tan fur.

Suitability for Families

  • Australian Terriers and Cairn Terriers are both affectionate dogs that can make great family pets. They have different strengths when it comes to family life.
  • Australian Terriers are loyal and loving. They bond closely with their families and are good with children. These dogs do best when a family member is home often or can bring them to work.
  • Cairn Terriers are known for being family-friendly. They are playful, energetic, and enjoy being around people. Cairns tend to be more outgoing with strangers compared to Australian Terriers.
  • Both breeds need daily exercise and mental stimulation. Cairn Terriers may require a bit more activity to stay happy. Families should be prepared to spend about an hour a day exercising these dogs.
  • With proper training, both can adapt well to different lifestyles. They can thrive in apartments or houses with yards. The key is providing enough attention and exercise.
  • Neither breed is ideal for families wanting a very calm, low-energy dog. Their lively terrier nature means they need engaged owners who can keep up with their activity needs.