Australian Terrier vs Border Collie
A side-by-side comparison to help you find the right breed for your lifestyle.

Australian Terrier
Also known as: Aussie, Australian Rough
The Australian Terrier is a small, robust breed known for its spirited personality, intelligence, and loyalty. Originally bred to hunt vermin and guard homes, this terrier is both a devoted companion and an alert watchdog, characterized by its distinctive rough, weather-resistant coat and keen expression.
Small
Medium
11-15 yrs
25-28 cm
6.8-9.1 kg

Border Collie
Also known as: Scotch Sheep Dog, Sheepdog
The Border Collie is the world's most intelligent dog breed, renowned for its exceptional herding abilities and intense work drive. Originating from the Anglo-Scottish border region, this breed requires significant mental and physical engagement daily - making it ideal for experienced owners who can provide structured activities and a job to do.
Medium
High
12-15 yrs
46-56 cm
Quick Comparison
| Trait | Australian Terrier | Border Collie |
|---|---|---|
| Energy | ||
| Trainability | ||
| Grooming Needs | ||
| Family Friendly | ||
| Independence |
Key Characteristics
| Good with Kids | ||
| Good with Dogs | ||
| Good with Cats | ||
| Hypoallergenic | ||
| Apartment Friendly | ||
| First-Time Owner OK |
| Detail | Australian Terrier | Border Collie |
|---|---|---|
| Size | Small | Medium |
| Energy Level | Medium | High |
| Grooming | Medium | High |
| Trainability | Moderate | Easy |
| Barking Level | High | High |
| Shedding Level | Low | High |
| Housing | Yard | Yard |
Owner Fit & Decision Guide
Owner Match
| Trait | Australian Terrier | Border Collie |
|---|---|---|
| Experience Level | Beginner (with conditions) | Advanced |
| First-Time Owner | ||
| Ideal Owner | Confident beginner or experienced owner willing to train consistently. Works from home or has flexible schedule. Single-dog household preferred, or with opposite-sex passive dog. No small prey animals. Comfortable with managing barking through training. | Active individual or family with older children (8+). Has time for 90+ minutes daily of structured exercise and training. Experience with high-drive breeds. Ideally involved in dog sports (agility, flyball, herding trials). Has secure fenced yard. |
Australian Terrier Dealbreakers
- Want a silent dog
- Have pocket pets (hamsters, rats) that roam
- Want a dog that can be off-leash in unfenced areas
- Unwilling to manage potential dog-aggression
- Passive or permissive owner (if you treat them like a baby, they will become a tyrant)
Border Collie Dealbreakers
- Sedentary lifestyle - if you want a dog to sit after a 20-minute walk, do not get a Border Collie
- Apartment living without extreme dedication to exercise
- Young children (toddlers) - herding nipping is dangerous
- Cannot tolerate high-pitched barking
Surrender Risk
| Factor | Australian Terrier | Border Collie |
|---|---|---|
| Risk Level | Low | High |
| Primary Reasons | Barking complaints from neighbors, Incompatibility with other pets (chasing cats, fighting dogs), Owners buy thinking they are low-maintenance small dogs and are overwhelmed by their big-dog energy and tenacity | Hyperactive/destructive behavior - owners underestimate mental stimulation needs, Aggression (often fear-based reactivity or herding nipping misidentified as aggression), Surrendered most frequently between 1-2 years of age |
Temperament & Personality
Behavior Comparison
| Trait | Australian Terrier | Border Collie |
|---|---|---|
| Prey Drive | ||
| Watchdog Ability | ||
| Stranger Friendly | ||
| Drool Level | ||
| Wanderlust |
Vocalization
| Trait | Australian Terrier | Border Collie |
|---|---|---|
| Barking Level | High | High |
| Howling Tendency | ||
| Whining Tendency | Low | Medium |
| Separation Vocalization |
Safety & Reliability
| Trait | Australian Terrier | Border Collie |
|---|---|---|
| Escape Artist | ||
| Dog Park Suitable | ||
| Off-Leash Reliable | ||
| Small Animal Safe | ||
| Leash Reactivity | ||
| Resource Guarding Risk | Low | Low |
Australian Terrier Social Traits
Medium
Often bossy and may spark fights with much larger dogs, refusing to back down. Same-sex aggression is a known trait.
Border Collie Social Traits
High
Generally good with dogs, individual varies
Training
Australian Terrier
- Harsh methods trigger their 'terrier grit,' causing them to shut down or fight back
- Use high-value rewards (food/toys)
- Keep training sessions short and varied
- Practice 'Nothing in Life is Free' to maintain household boundaries
Border Collie
- Use their food motivation for training
- Redirect herding instinct into appropriate outlets (fetch, agility)
- Teach 'place' command early for settling
- Keep training sessions short and varied - they get bored with repetition
Australian Terrier Considerations
Bred to alert settlers to snakes and intruders, they score 5/5 on watchdog ability. In modern settings, this means barking at delivery trucks, hallway footsteps, and leaves blowing across the patio. Often a dealbreaker for renters with noise restrictions.
Documented risk of aggression toward dogs of the same sex, particularly between two females. This often emerges at sexual maturity (18-24 months) and can escalate from posturing to serious fighting. They generally do best as the only dog or with a companion of the opposite sex.
Their prey drive is not a game; it is a job. They were engineered to kill rats and snakes. They cannot be trusted with hamsters, rabbits, or guinea pigs, and they may harass cats that run. This is a Full Predatory Sequence breed—they do not just chase; they grab and shake.
Border Collie Considerations
Unlike breeds that chew a shoe when bored, an under-stimulated Border Collie may deconstruct drywall, develop OCD behaviors like shadow chasing, or herd children by nipping their heels.
Among the most susceptible breeds to noise phobias (thunder, fireworks, traffic). This sensitivity often triggers reactivity toward moving objects - cars, joggers, and bicycles.
Most Border Collies do not come with a factory-installed 'off switch.' They must be taught to settle, otherwise they will pace and stare at owners indefinitely.
The herding instinct (nipping heels) makes them a poor fit for toddlers. They will instinctively try to control children's movement.
Multi-Species Compatibility
| Species | Australian Terrier | Border Collie |
|---|---|---|
| With Cats | Caution - safe only if raised together and the cat does not run | Risk of harassment - will stare and block the cat, causing immense stress |
| Small Mammals | Unsafe - high risk for hamsters, rabbits, guinea pigs, rodents | Unsafe - prey drive triggers with small fleeing animals (rabbits, squirrels) |
| Birds / Reptiles | Unsafe - high risk | Poultry compatible if trained, but untrained herding instinct can stress chickens to death |
Advanced Behavior
| Trait | Australian Terrier | Border Collie |
|---|---|---|
| Predatory Sequence Risk | Full | Arrested |
| Biddability | Medium | High |
| Noise Sensitivity | Low | High |
| Territorial Barking | ||
| Same-Sex Aggression Onset | 18 months | N/A |
Australian Terrier: Full Predatory Sequence: Orient → Eye → Stalk → Chase → Grab-Bite → Kill-Bite. Bred to kill snakes and rats. You cannot 'train out' the desire to shake a rat; you can only manage it. Not 'will to please' dogs - they are 'what's in it for me?' dogs.
Border Collie: Predatory sequence is Eye -> Stalk -> Chase. The 'Grab-Bite' and 'Kill-Bite' are genetically inhibited to protect sheep. However, in high-arousal state (screaming child running), inhibition can slip, leading to a 'nip.' Extremely biddable - lives to work *with* you, but soft and crumbles under harsh punishment.
First Year & Life Stages
First Year Challenges
| Challenge | Australian Terrier | Border Collie |
|---|---|---|
| Puppy Difficulty | ||
| Destructive Phase | 6-18 | 4-18 |
| House Training | Medium | Easy |
| Crate Training | Medium | High |
| Adolescent Regression |
Australian Terrier: While small and portable, they are intense. House training is moderately difficult (terriers can be stubborn), and their sharp puppy teeth are used freely during play. Critical socialization window is 8-16 weeks - must socialize to handling and strangers to prevent natural wariness from turning into defensiveness.
Border Collie: Border Collie puppies are 'land sharks' - they instinctively nip at moving heels (kids, runners). This is herding instinct, not aggression. Redirecting this behavior is the primary challenge of the first year. Between 6-18 months, they often become reactive to motion or noise - this is a critical window where fear periods can become lifelong phobias.
Life Stages Timeline
| Stage | Australian Terrier | Border Collie |
|---|---|---|
| Puppy Phase | 12 months | 12 months |
| Adolescence | 6-18 | 6-24 |
| Adult Years | 2-9 | 2-8 |
| Senior Onset | ~10 years | ~9 years |
| Peak Energy Age | 1-3 years | 1-4 years |
Size & Physical Characteristics
Physical Stats
| Measurement | Australian Terrier | Border Collie |
|---|---|---|
| Height | 25-28 cm | 46-56 cm |
| Weight | 6.8-9.1 kg | N/A |
| Size Category | Small | Medium |
| Lifespan | 11-15 years | 12-15 years |
| Litter Size | 4-6 | 4-8 |
Australian Terrier Coat
Border Collie Coat
Lineage & Origin
| Detail | Australian Terrier | Border Collie |
|---|---|---|
| Original Purpose | Kill rats and snakes in gold mines and sheep stations, tend sheep, and alert owners to intruders | Gathering sheep from wide hills using 'eye' (intense staring) and 'stalking' rather than barking or nipping |
| Origin | Australia, 19th century | Anglo-Scottish border region, 19th century |
Breeding Details
| Detail | Australian Terrier | Border Collie |
|---|---|---|
| C-Section Rate | Low | Low |
| Whelping Difficulty | Easy | Easy |
| Puppy Mortality Rate | Low | Low |
Physical Risks
| Risk | Australian Terrier | Border Collie |
|---|---|---|
| Bloat / GDV Risk | Low | Low |
| Slippery Floor Risk | Low | Low |
| Min Fence Height | 1.2m | 1.8m |
| Dig / Escape Risk | High | Low |
Health & Common Conditions
Australian Terrier Health Issues
Border Collie Health Issues
Australian Terrier Suggested Tests
- Annual blood glucose and urinalysis (starting at age 5)
- OFA Patella Evaluation
- CERF Eye Examination
- Family history of Diabetes inquiry
Border Collie Suggested Tests
- Genetic panel: CEA
- Genetic panel: TNS
- Genetic panel: NCL
- Genetic panel: MDR1
- Genetic panel: Glaucoma (Goniodysgenesis)
- Hip Evaluation (OFA)
Health Risk Overview
| Risk Factor | Australian Terrier | Border Collie |
|---|---|---|
| Cancer Risk | Low | Low |
| Cardiac Risk | Low | Low |
| Neurological Risk | Low | Medium |
| CCL/ACL Tear Risk | Low | High |
| Vet Burden Tier | Medium | Medium |
Sensitivities & Allergies
| Sensitivity | Australian Terrier | Border Collie |
|---|---|---|
| Skin Allergies | ||
| Environmental Allergies | ||
| Stomach Sensitivity | Low | Low |
| Food Allergies | General environmental allergens | Various - individual dependent |
Health Maintenance
| Care Item | Australian Terrier | Border Collie |
|---|---|---|
| Nail Growth Rate | Fast | Normal |
| Eye Care Needs | Low | Medium |
| Anal Gland Issues | Rare | Rare |
Senior Care & Aging
Australian Terrier Senior Care
Common Senior Issues
- Diabetes Mellitus (watch for excessive thirst/urination)
- Cataracts
- Joint stiffness
Mobility usually remains good until very late life. Primary concern in seniors is monitoring for diabetes symptoms (excessive thirst, frequent urination, weight loss despite normal eating).
Border Collie Senior Care
Common Senior Issues
- Arthritis/joint stiffness
- Vision decline
- Hearing loss
- Cognitive decline
Energy fades but the mind remains active. Arthritis is the main enemy. Mental enrichment remains important even as physical activity decreases.
Grooming & Care
Australian Terrier
medium maintenanceBorder Collie
high maintenanceLifestyle Compatibility
Australian Terrier Daily Life
Border Collie Daily Life
Housing & Legal Restrictions
| Restriction | Australian Terrier | Border Collie |
|---|---|---|
| BSL Restricted | ||
| Common Rental Ban | ||
| Insurance Blacklist | ||
| Weight Category | Under 25lbs | 25-50lbs |
Climate Tolerance
| Climate | Australian Terrier | Border Collie |
|---|---|---|
| Heat Tolerance | ||
| Cold Tolerance | ||
| Water Affinity | Low | Medium |
Travel Compatibility
| Activity | Australian Terrier | Border Collie |
|---|---|---|
| Car Travel | Good | Good |
| Camping | ||
| Beach Friendly | ||
| Hiking Rating | ||
| Cabin Flight Eligible | ||
| Hotel Friendly Size |
Niche Suitability
| Role | Australian Terrier | Border Collie |
|---|---|---|
| Service Dog | Low | Medium |
| Therapy Dog | Medium | Low |
| Deep Pressure Therapy | ||
| Canicross / Bikejoring | ||
| Apartment Adaptable | ||
| Tactile / Sensory Friendly | ||
| Livestock Guardian | ||
| Medical Alert | Low | Medium |
Costs & Expenses
Upfront Costs
| Cost | Australian Terrier | Border Collie |
|---|---|---|
| Purchase Price | $1,200-2,500 | $700-2,500 |
| Initial Cost Range | $1,200–$2,500 | $700–$2,500 |
| Cost Tier |
Ongoing Costs
| Cost | Australian Terrier | Border Collie |
|---|---|---|
| Monthly Range | $120–$200 | $100–$180 |
| Yearly Range | $1,440–$2,400 | $1,200–$2,200 |
| Food / Month | $30-50 | $50-80 |
| Insurance / Month | $40-70 | $30-60 |
| Grooming / Session | $50-80 | $50-75 |
| Vet Routine / Year | $300-600 | $200-500 |
| Monthly Cost Tier |
Australian Terrier Lifetime Cost
$15,000-30,000
Border Collie Lifetime Cost
$15,000-30,000
Quirks & Fun Facts
Daily Quirks
| Quirk | Australian Terrier | Border Collie |
|---|---|---|
| Snoring | ||
| Flatulence | Rare | Rare |
| Slobber Level | None | None |
| Smell When Wet | Mild | Moderate |
| Zoomies Frequency | Weekly | Daily |
| Counter Surfing | ||
| Digging Tendency | High | Low |
Australian Terrier Quirks
The Ruff
Distinctive ruff of hair around the neck (like a lion's mane) which was historically protective against snake bites
The Topknot
The soft, silky hair on their head contrasts with the wire body coat and needs gentle combing
Digging for Fun
They don't just dig to escape; they dig for fun. Provide a designated sandpit and bury toys in it to save your flowerbeds.
Bossiness
They will attempt to run the household. 'Nothing in life is free' training is recommended to maintain boundaries.
Border Collie Quirks
The Stare
Will stare at you for hours waiting for a signal - this is the 'eye' used in herding
Light/Shadow Chasing
A serious OCD behavior where the dog fixates on laser pointers, reflections, or shadows. NEVER use laser pointers with this breed - it can induce permanent neurological fixation
Herding Objects
May try to herd vacuum cleaners, lawnmowers, or children - driven by instinct to control movement
Border Collie Collapse (BCC)
Exercise-induced nervous system disorder where dog becomes disoriented or collapses after intense activity - distinct from heatstroke, is genetic
Frequently Asked Questions
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