Australian Shepherd: Size, Temperament, Shedding & Care
A large backyard might seem like the perfect place for an Australian Shepherd. But give one plenty of space and little to do, and you may still have a dog looking for something more interesting.
Australian Shepherds were bred to work closely with people. They're intelligent, energetic and quick to notice movement, qualities that can make them engaging companions but also demanding household pets.
Despite the name, the breed was developed in the United States, where its herding ability made it valuable to livestock farmers. That working background remains important, even for Aussies that have never seen a flock of sheep.
For New Zealand owners, understanding the breed means looking beyond property size. Daily interaction, training, exercise and the ability to manage an active dog around other animals all matter.
What Does an Australian Shepherd Look Like?

Australian Shepherds are athletic, well-balanced dogs with a slightly longer body than height. They're muscular without looking heavy, with a build suited to quick movement and changes of direction.
Their coats are among the breed's most recognisable features. Dogs New Zealand recognises four main colours: blue merle, black, red merle and red. Each can appear with or without white markings and tan or copper points.
Merle coats have irregular patches of colour, while black and red Aussies may have more clearly defined markings.
Eye colour is another distinctive feature. Australian Shepherds can have brown, blue or amber eyes, including combinations and variations within the same eye. Some dogs have differently coloured eyes.
The coat is moderately long and can be straight or slightly wavy. Beneath the outer hair is a softer undercoat that provides insulation, while feathering around the legs and a fuller mane around the neck give the breed its characteristic appearance.
Tail length varies too. Some Australian Shepherds are born with naturally short tails, while others have full-length tails.
How Big Do Australian Shepherds Get?
Australian Shepherds are medium-sized dogs, although their substantial coats can make them look larger.
According to the Dogs New Zealand breed standard, the preferred adult heights are:
| Sex | Preferred height |
|---|---|
| Male | 51–58.5 cm |
| Female | 45.5–53.5 cm |
Height is measured at the withers, the highest point of the shoulders.
These are preferred breed-standard measurements rather than strict limits for every individual. Overall proportions, sound movement and physical condition are also important.
An Aussie's size can make it suitable for a range of homes, but don't confuse medium size with modest exercise needs.
A dog that regularly wants to move, learn and interact may require more day-to-day involvement than its dimensions initially suggest.
Understanding the Australian Shepherd's Temperament

Australian Shepherds are intelligent, alert and closely connected to their working heritage.
The Dogs New Zealand breed standard describes an active dog with strong herding and guarding instincts, loyalty to its people and an even disposition. Some individuals may initially be reserved around strangers.
Many Aussies pay close attention to their surroundings. They notice familiar routines, respond quickly to movement and often enjoy learning new tasks.
Those qualities can make training rewarding. They can also create problems if the dog becomes overly interested in everything happening around it.
A passing cyclist, a running child or an animal moving across a paddock may attract an Aussie's attention. Some dogs will simply watch. Others may attempt to follow, chase or control the movement.
Temperament varies between individuals, and training plays a significant role in how those instincts are managed.
An Australian Shepherd should learn that it doesn't need to respond to every movement it notices. Being able to relax around ordinary activity is just as useful as responding to commands.
Does an Australian Shepherd Need a Farm?
No. An Australian Shepherd doesn't need a working farm to lead a fulfilling life.
The breed can live in suburban homes and other household settings when its needs are met. What matters is how the dog spends its time.
Dogs New Zealand places particular importance on human contact. Although an Aussie may be physically capable of spending time outdoors, the breed isn't well suited to living apart from people with little interaction.
A rural property doesn't automatically solve that problem.
An Australian Shepherd left alone in a large paddock may have plenty of space but very little meaningful engagement. In contrast, a suburban dog that enjoys regular walks, training, games and time with its family may have a more suitable daily routine.
Owners should also consider how their dog behaves when nothing exciting is happening. Learning to rest indoors, spend short periods alone comfortably and settle after activity helps make everyday life manageable.
The question isn't how much land you can offer. It's whether you can provide the combination of companionship, exercise and mental engagement the breed needs.
How Much Exercise and Mental Stimulation Do Aussies Need?
Australian Shepherds are active working dogs that generally need substantial daily engagement.
Dogs New Zealand rates the breed's exercise needs as very high and recommends activity that challenges both body and mind.
A walk provides physical movement and opportunities to explore, but it may not fully occupy a dog that enjoys learning and working with people.
Training games, scent activities, suitable retrieving games and dog sports can offer different forms of stimulation. Some Aussies particularly enjoy activities that require them to concentrate and respond to their owner.
The appropriate amount of exercise varies with age, health and individual temperament.
Puppies need activities suited to their development rather than demanding physical workouts. Older dogs may prefer gentler exercise, while healthy adults with strong working drives may enjoy more challenging routines.
SPCA New Zealand emphasises that exercise should suit an animal's life stage and health.
Rest is part of that balance.
A dog that becomes increasingly excited with every activity may benefit from learning calm behaviour between outings. More exercise isn't always the answer to a dog that struggles to settle.
A manageable routine should include movement, mental activity, companionship and opportunities to relax.
Training an Australian Shepherd

Australian Shepherds tend to learn quickly, but intelligence doesn't mean they arrive knowing how to behave.
A dog might respond perfectly to a recall cue in the backyard, then become distracted when another animal runs nearby. Learning to respond reliably in different environments takes time and consistent practice.
SPCA New Zealand recommends reward-based training that reinforces desirable behaviour without causing fear or pain.
Start with skills that support ordinary household life: responding to their name, returning when called, walking calmly on a lead and settling when activity ends.
Reliable recall deserves particular attention.
Before allowing an Australian Shepherd off lead in a place where dogs are permitted to run freely, the owner needs confidence that the dog will return despite distractions.
Practising on a long line in a suitable area can help build that reliability. Progress gradually rather than testing the dog's recall in situations it isn't ready to handle.
Herding instincts also need careful management.
Some Australian Shepherds may attempt to chase, circle or nip at moving animals or people. These behaviours shouldn't be encouraged simply because they're associated with the breed's working history.
Rewarding calm responses, practising appropriate alternatives and preventing repeated chasing can help establish better habits.
The aim is a dog that can enjoy activity without becoming difficult to manage whenever something moves.
Are Australian Shepherds Good Family Dogs?
Australian Shepherds can be affectionate, loyal family companions. Many enjoy taking part in household activities and spending time with familiar people.
For an active family that enjoys training, walking and involving a dog in daily life, an Aussie may be a good match.
However, suitability depends on the individual dog and the family's routine.
An Australian Shepherd that requires substantial activity and mental engagement may be demanding in a household where everyone is regularly away for long periods.
Families should also consider the dog's response to noise, excitement and movement.
Are Australian Shepherds Good With Kids?
They can live successfully with children, but supervision and training are essential.
Running, shouting and fast-moving games may trigger herding behaviour. Some Aussies may follow children closely, circle them or attempt to nip at movement.
Adults need to recognise and manage these behaviours rather than treating them as harmless play.
Children should be taught to interact respectfully with dogs, avoid rough handling and leave them undisturbed when eating or resting.
A dog also needs somewhere quiet to retreat when household activity becomes overwhelming.
No breed should be assumed safe around children based solely on its reputation. Individual temperament, appropriate introductions and ongoing supervision matter far more.
Living With Cats and Other Pets
An Australian Shepherd can share a home with cats or other pets, but compatibility isn't guaranteed.
Herding instincts may make the movements of another animal particularly interesting. A cat running across a room could trigger chasing, even when the dog isn't displaying aggression.
That behaviour can still be stressful or dangerous for the other animal.
Introductions should be gradual and controlled. Cats need places to retreat that the dog cannot access, while the Aussie should be encouraged to remain calm.
Supervision is important until the animals' behaviour around each other is well understood.
Some Australian Shepherds live comfortably with cats and other dogs. Others may need ongoing management, and certain combinations may not be suitable.
What matters is how the individual animals respond to one another, not a general claim that the breed is friendly with other pets.
Are Australian Shepherds Good Guard Dogs?
Australian Shepherds are naturally observant, and their breed standard recognises strong guarding instincts.
Some will bark when unfamiliar people approach or when something unusual happens around the property. This can make them attentive watchdogs.
However, being watchful doesn't automatically make an Aussie a suitable protection dog.
Alerting an owner to movement or noise is different from reliably assessing a threat and responding appropriately.
The breed should have an even disposition, although some reserve around strangers is normal.
Owners should encourage calm, manageable behaviour rather than excessive suspicion or aggression.
For most households, an Australian Shepherd that can recognise ordinary situations and settle around visitors is more useful than one encouraged to react to every unfamiliar person.
Do Australian Shepherds Shed?

Yes. Australian Shepherds shed throughout the year, and their double coats can release considerable loose hair during seasonal changes.
The outer coat provides coverage and protection, while the softer undercoat varies in density. As that undercoat changes, loose hair may become more noticeable around the home.
Owners can expect some hair on furniture, clothing and floors, particularly during heavier shedding periods.
Not every Aussie sheds at the same rate. Coat density, seasonal conditions and individual differences affect how much hair is released.
Regular brushing helps remove loose fur before it collects or becomes tangled, but it won't stop natural shedding.
If an Australian Shepherd suddenly loses large amounts of hair or develops bald patches, persistent itching or irritated skin, seek veterinary advice. Those changes shouldn't automatically be dismissed as ordinary shedding.
Grooming an Australian Shepherd
Australian Shepherds need regular grooming to maintain their double coats and prevent loose undercoat from becoming trapped.
Dogs New Zealand recommends brushing or combing approximately once or twice a week as a general starting point.
Some dogs need additional attention during heavier seasonal shedding or when tangles develop.
Brushing should reach beneath the longer outer hair. Pay particular attention to areas behind the ears, around the legs and beneath the body, where the coat can become tangled.
Grooming also provides a useful opportunity to check for skin irritation, parasites, burrs and other debris collected outdoors.
Bathing frequency depends on the dog's activities and coat condition. An Aussie that regularly becomes muddy may need a different routine from one that generally stays clean.
Dogs that dislike handling may benefit from shorter, calm grooming sessions that gradually build confidence.
Persistent matting or discomfort during brushing should be assessed by a professional groomer or veterinarian.
Can You Shave an Australian Shepherd?
Routine shaving isn't generally recommended for Australian Shepherds.
Their double coat has a protective outer layer and a softer undercoat. Removing both layers can affect coat regrowth and expose the skin to environmental conditions.
Shaving also doesn't eliminate natural shedding.
In most situations, regular brushing and removal of loose undercoat are more suitable than clipping the coat very short.
There are exceptions. A veterinarian may recommend clipping for medical treatment, while severe matting may require professional removal when brushing it out would cause discomfort.
If coat problems are difficult to manage, seek appropriate professional advice rather than assuming shaving is the best solution.
Are Australian Shepherds Hypoallergenic?
No. Australian Shepherds are not considered hypoallergenic.
Their shedding can spread hair and associated allergens around the home, but dog allergies aren't caused by hair alone.
Proteins found in substances such as dander and saliva can also trigger allergic reactions.
Even breeds that shed very little can produce allergens, and no dog breed is guaranteed allergy-free.
People with known dog allergies should consider medical advice before assuming they can comfortably live with an Australian Shepherd. Reactions vary between people and individual dogs.
Australian Shepherd Tails in New Zealand
Australian Shepherds may be born with naturally short tails, known as bobtails, or with full-length tails.
The historical Dogs New Zealand breed standard describes natural bobtails and docked tails. That wording reflects earlier breed practices, but it doesn't override current animal-welfare legislation.
Under New Zealand's Animal Welfare (Care and Procedures) Regulations 2018, cosmetic dog-tail docking is prohibited.
Regulation 51 permits a legal defence for tail docking performed for therapeutic purposes by a veterinarian or a veterinary student under direct veterinary supervision, provided the dog receives pain relief at the time of the procedure.
Shortening a dog's tail purely for appearance isn't permitted.
A naturally short tail should therefore not be confused with a surgically shortened one.
A full-length tail is also a normal feature of the breed and doesn't indicate anything negative about the dog's temperament, intelligence or suitability as a companion.
How Long Do Australian Shepherds Live?
Australian Shepherds typically live around 12 to 15 years, according to Dogs New Zealand.
That range is a general breed estimate rather than a prediction for an individual dog.
Genetics, inherited conditions, veterinary care and other factors can influence lifespan.
Prospective owners should ask breeders about the health screening completed on both parents.
Important areas to discuss include hip and elbow evaluations, eye examinations and relevant breed-specific genetic testing.
Australian Shepherds can be affected by inherited eye conditions, including hereditary cataracts, and certain genetic sensitivities.
One example is the MDR1 genetic variant, which can affect how some dogs respond to particular medications. Relevant test results should be shared with the dog's veterinarian.
Ask breeders for documentation of completed assessments rather than relying solely on verbal assurances.
Health testing can help identify risks and support more informed breeding decisions, but it cannot guarantee that a puppy will remain free from inherited disease.
Throughout an Aussie's life, appropriate nutrition, suitable exercise, regular veterinary care and attention to changes in health remain important.
Taking an Aussie Outdoors in New Zealand
New Zealand offers many opportunities to enjoy outdoor activities with a dog, but access isn't unrestricted.
The Department of Conservation (DOC) has different rules for dogs across conservation areas. Some tracks allow dogs, some require permits and others prohibit dog access altogether.
Owners should check the rules for a particular track or area before visiting. Local council restrictions may also apply to parks, beaches and other public spaces.
Reliable recall is especially valuable for an Australian Shepherd, but it doesn't replace a lead where one is required.
Around Livestock and Wildlife
Australian Shepherds were developed to herd livestock, but that doesn't mean a companion Aussie should be allowed to approach or chase farm animals.
A dog's instinct to follow movement can become a serious problem around sheep, cattle or other animals.
Owners should keep dogs appropriately restrained near livestock and avoid situations where chasing could occur.
New Zealand's native wildlife requires similar care.
DOC warns that dogs can injure or kill vulnerable native species, including kiwi and kororā, even when they aren't normally aggressive.
An obedient family dog may still react instinctively to an unfamiliar animal. Owners should respect dog-free areas, follow access conditions and keep their dogs under control.
DOC also provides guidance on kiwi avoidance training for dogs that need to work in relevant areas, but this training doesn't make a dog completely safe around kiwi.
For most companion dogs, the better approach is to avoid sensitive wildlife areas altogether.
Outdoor activity should be enjoyable for the dog without putting livestock, native animals or other people at risk.
Is an Australian Shepherd Right for Your Lifestyle?

Australian Shepherds can be affectionate, intelligent companions, but they require more than a comfortable place to sleep and room to run.
Their working instincts call for consistent training, daily engagement and owners prepared to manage their interest in movement.
That matters in a suburban neighbourhood just as much as it does on a rural property.
Consider whether your household can provide regular exercise, companionship, coat care and appropriate supervision around children, pets and other animals.
If those responsibilities fit naturally into your routine, an Australian Shepherd may be a rewarding companion. The best match comes from understanding what the dog needs before bringing one home.