If you’ve been searching for a “miniature collie,” here’s what you actually need to know: the breed you’re looking at is almost certainly the Shetland Sheepdog — the Sheltie — and it is not a miniature Collie. It looks like one. It acts like one. Even the breed’s own history involves being called a “Shetland Collie” until Rough Collie breeders kicked up such a fuss that the name had to be changed. But the Sheltie is its own breed, with its own ancestry, its own personality traits and its own health profile.
This matters because the differences between a Sheltie and a Rough Collie go far beyond size. The Sheltie is more energetic, more vocal, more sensitive, and has a different set of health risks. A family expecting a quiet, laid-back “mini Lassie” who brings home a Sheltie is in for a surprise — a wonderful surprise if they’re prepared, a frustrating one if they’re not.
Let’s untangle the confusion and give you the honest comparison you need to make the right choice.
What You’ll Learn
- Breed traits & temperament
- Health concerns to know
- True cost in Australia
- Training & exercise needs
- Is this breed right for you?
Breed Quick Facts Table
| Trait | Shetland Sheepdog (Sheltie) | Rough Collie |
|---|---|---|
| Official Breed Name | Shetland Sheepdog | Collie (Rough) |
| ANKC Group | Group 5 — Working Dogs | Group 5 — Working Dogs |
| Origin | Shetland Islands, Scotland | Scotland / Northern England |
| Size (Height) | 33-40 cm (13-16 inches) | 56-66 cm (22-26 inches) |
| Weight | 7-11 kg (15-25 lbs) | 23-34 kg (50-75 lbs) |
| Lifespan | 12-14 years | 12-14 years |
| Coat Type | Long double coat (always rough) | Rough (long) or Smooth (short) |
| Coat Colours | Sable, tricolour, blue merle, bi-black | Sable/white, tricolour, blue merle |
| Shedding | Heavy — seasonal blowouts | Heavy — seasonal blowouts |
| Energy Level | High | Moderate to High |
| Barking Level | HIGH — this is the #1 Sheltie trait | Moderate |
| Intelligence Rank | 6th (Stanley Coren) | 16th (Stanley Coren) |
| Trainability | Excellent — eager to please, fast learner | Excellent — willing but slightly more independent |
| Good With Kids | Good — better with older children (7+) | Excellent — famously gentle, “Lassie” reputation |
| Stranger Friendliness | Reserved — often shy with strangers | Friendly — usually welcoming to visitors |
| Puppy Price (AUD) | $2,500-$5,000 (ANKC registered) | $1,500-$3,500 (ANKC registered) |
Where Did they Come From?
The Rough Collie: Scotland’s Aristocratic Herder
The Rough Collie originated in the Scottish Highlands and Northern England as a working sheepdog. The breed’s exact early history is murky, but by the mid-1800s, Collies had caught the attention of Queen Victoria, who added them to her royal kennels at Balmoral. This royal endorsement transformed the Collie from a working farm dog into a fashionable companion breed.
The Collie’s fame exploded in the 20th century thanks to Lassie — the fictional Rough Collie who became one of the most recognisable dogs in the world through novels, films and television. The “Lassie effect” established the Rough Collie as the archetypal family dog: gentle, intelligent, loyal and protective. In Australia, the Rough Collie is registered as the Collie (Rough) under ANKC Group 5 (Working Dogs), with the Collie (Smooth) as a separate variety.
The Sheltie: Not a Mini Collie, Despite What Everyone Thinks
The Shetland Sheepdog’s origin is genuinely distinct from the Collie’s — and this is the point most people get wrong. The Sheltie did not start as a small Collie. It started as a small, Spitz-type herding dog native to Scotland’s Shetland Islands — the same remote archipelago that produced the Shetland Pony, Shetland Sheep and Shetland Cattle, all of which are smaller than their mainland counterparts due to the islands’ harsh conditions and limited food supply.
These original Shetland herding dogs were likely crossed with King Charles Spaniels, Pomeranians, Icelandic Sheepdogs and eventually Scottish Collies to refine the breed’s appearance. In the early 1900s, breeders deliberately added Rough Collie blood to achieve the Collie-like look — which is why the resemblance is so strong. The breed was initially called the “Shetland Collie,” but Rough Collie breeders objected so strenuously to their breed name being used that it was changed to “Shetland Sheepdog” before official recognition in 1909.
In Australia, the Sheltie is registered as the Shetland Sheepdog under ANKC Group 5. Breed clubs include the Shetland Sheepdog Club of Victoria, the Shetland Sheepdog Club of NSW and the Shetland Sheepdog Club of Queensland. The breed has a dedicated show community and strong breeder network, with many kennels operating for 30-50+ years.
Personality
If you expected the Sheltie to be a “smaller version” of the Collie’s personality, prepare to be surprised. While both breeds are intelligent, loyal and family-oriented, their temperaments differ in ways that significantly affect daily life.
The Sheltie is the busier dog — and it’s not close. Shelties are high-energy working dogs that need a job, whether that’s agility, herding, obedience, rally or an elaborate game of fetch. A bored Sheltie will find its own entertainment, and you won’t like what it chooses (barking, chewing, herding your children, spinning in circles). The Rough Collie is more moderate — happy with a daily walk and some play, equally content to nap on the couch. Many Collie owners describe their dogs as “on/off switch” dogs: enthusiastic when it’s time to work or play, completely relaxed when it’s downtime.
This needs its own paragraph because it’s the number one reason people surrender Shelties. Shelties bark. A lot. At everything. At the doorbell, the postman, a bird, a leaf, a change in the light, a thought they just had. This isn’t a behaviour problem — it’s a breed trait. Shelties were bred to alert and herd with their voice, and they are very, very good at it. Training can moderate the volume and frequency, but a silent Sheltie is an unrealistic expectation. The Rough Collie barks too — it’s a herding breed — but at a significantly lower frequency and volume. If you live in an apartment or have noise-sensitive neighbours, this single trait should steer you toward the Collie.
The Sheltie is one of the most sensitive dog breeds. They pick up on your mood, your tone, the tension in a room. This makes them extraordinary therapy dogs and obedience competitors, but it also means they can be anxious, reactive or withdrawn if their environment is chaotic. Many Shelties are reserved or shy with strangers and need careful, gradual socialisation from puppyhood to build confidence. The Collie is more emotionally robust — friendly with strangers, tolerant of noise and chaos, and generally more easygoing in novel situations. For first-time dog owners or families with young, boisterous children, the Collie is the safer temperament choice.
Both breeds are excellent family dogs, but in different ways. The Collie has earned its “Lassie” reputation: patient, gentle, protective and nurturing with children of all ages. The Sheltie is wonderful with kids but better suited to older children (7+) who can be gentle with a smaller, more sensitive dog. Very young children who grab, shriek and run may overwhelm a sensitive Sheltie — and the Sheltie may respond by herding them (nipping at heels to move them where the dog thinks they should go).
Both breeds will try to herd things. The Sheltie’s herding drive is generally stronger and more active — they will circle, bark at and nip the heels of children, joggers, cyclists and other pets. The Collie herds too, but tends to use body blocking and positioning rather than nipping. Both breeds need early training to redirect herding behaviour away from inappropriate targets.
Shelties are velcro dogs. They want to be in the same room as you at all times and may follow you from room to room. This is endearing until it becomes separation anxiety, which is common in the breed. Collies bond deeply with their family but are slightly more independent — they can tolerate being in a different room without stress. Neither breed does well left alone for more than 6-8 hours.
Health issues
Because Collie blood was used in the Sheltie’s development, these breeds share several genetic health conditions. But each also has breed-specific risks that buyers should understand.
Shared Health Concerns
Collie Eye Anomaly (CEA) affects both breeds — it’s an inherited condition that causes abnormal development of the eye’s choroid layer. Reputable breeders in Australia screen all puppies with a veterinary ophthalmologist before sale. The MDR1 gene mutation (Multi-Drug Resistance 1) causes dangerous sensitivity to common medications including ivermectin (used in some heartworm preventatives), loperamide (Imodium) and certain anaesthetics. Approximately 15% of Shelties and a similar proportion of Collies carry this mutation. DNA testing is available and should be performed on all breeding stock — always ask your breeder for MDR1 status before purchase. Both breeds are also susceptible to hip dysplasia (though the Sheltie has one of the lowest rates among all breeds at just 4.2%), Progressive Retinal Atrophy (PRA), and dermatomyositis (an inflammatory skin condition sometimes called “Sheltie skin syndrome” or “Collie nose”).
Sheltie-Specific Health Risks
The Sheltie has an elevated risk of transitional cell carcinoma (bladder cancer) — roughly four times the rate of the general dog population. Von Willebrand’s disease (a bleeding disorder) occurs in both Type I and Type III forms in the breed. Thyroid disease (hypothyroidism) is common. Luxating patella affects smaller Shelties. Most of these conditions can be screened for genetically, making breeder selection critical.
Collie-Specific Health Risks
The Rough Collie’s longer nose makes it susceptible to nasal tumours at a higher rate than short-muzzled breeds. Collie Eye Anomaly tends to be more prevalent in Collies than Shelties. Bloat (gastric dilatation-volvulus/GDV) is a risk for all large, deep-chested dogs including the Collie — a life-threatening emergency that requires immediate veterinary intervention. Gray Collie Syndrome (cyclic neutropenia) is a rare but fatal inherited condition specific to Collies.
Health and Vet Cost Comparison (AUD)
| Health Concern | Shetland Sheepdog (Sheltie) | Rough Collie |
|---|---|---|
| Collie Eye Anomaly (CEA) | Moderate risk | Screen before purchase | Higher risk | Screen before purchase |
| MDR1 Gene Mutation | ~15% carriers | DNA test: $80-$150 | Similar prevalence | DNA test: $80-$150 |
| Hip Dysplasia | Very low (4.2%) | $4,000-$8,000 surgery | Moderate | $4,000-$8,000 surgery |
| Bladder Cancer | 4x average risk | $3,000-$8,000+ treatment | Average risk |
| Von Willebrand’s Disease | Moderate risk | DNA testable | Low risk |
| Bloat (GDV) | Very rare (small dog) | Moderate risk | Emergency surgery: $5,000-$10,000 |
| Dermatomyositis | Moderate risk | Ongoing management: $500-$2,000/yr | Moderate risk | Ongoing management: $500-$2,000/yr |
| Est. Annual Vet Costs | $500-$1,200 AUD | $600-$1,500 AUD |
The Collie’s higher annual vet costs reflect its larger body (higher medication, food and anaesthesia costs) and bloat risk. Both breeds benefit from pet insurance taken out before 12 weeks, and both breeds absolutely require MDR1 testing — giving your dog the wrong medication without knowing its MDR1 status can be fatal.
Grooming: Sheltie vs Rough Collie
Both breeds have spectacular double coats that demand serious grooming commitment. If you’re not prepared to brush regularly, neither breed is right for you.
| Grooming Task | Shetland Sheepdog | Rough Collie |
|---|---|---|
| Brushing | 2-3 times/week minimum; daily during blowouts | 2-3 times/week minimum; daily during blowouts |
| Shedding Season | Twice yearly — massive undercoat blowout (spring/autumn) | Twice yearly — equally dramatic |
| Professional Grooming | $60-$100 every 8-12 weeks | $80-$130 every 8-12 weeks (larger dog) |
| Bathing | Every 6-8 weeks | Every 6-8 weeks |
| Matting Risk Areas | Behind ears, leg feathering, chest ruff | Behind ears, leg feathering, chest mane |
| Should You Shave? | NEVER — destroys double coat permanently | NEVER — same risks |
| Tools Needed | Slicker brush, pin brush, undercoat rake, metal comb | Same toolkit, larger sizes |
| Time Per Grooming Session | 20-30 minutes | 30-45 minutes (more surface area) |
A critical warning for Australian owners: never shave a Sheltie or Collie, even in summer. The double coat insulates against both heat and cold. Shaving removes this insulation, exposes the skin to sunburn, and the coat may never grow back correctly — it can regrow patchy, woolly or permanently altered. Both breeds manage Australian heat better than you’d expect if their coat is properly maintained (brushed out, undercoat removed) and they have shade and water. Exercise should be restricted to cool hours during summer.
Exercise: How Much Do They Actually Need?
| Exercise Factor | Shetland Sheepdog | Rough Collie |
|---|---|---|
| Daily Exercise Needed | 45-60+ minutes | 30-60 minutes |
| Exercise Type | Active — agility, fetch, obedience, herding games | Moderate — walks, fetch, play sessions |
| Mental Stimulation | CRITICAL — puzzle toys, training, dog sports | Important — but less intense than Sheltie |
| Heat Tolerance | Moderate — double coat insulates, avoid midday heat | Moderate — same; larger body overheats faster |
| Off-Leash Reliability | Moderate to Good — responsive to recall if trained | Good — less likely to bolt, calmer disposition |
| If Under-Exercised… | Barking, spinning, herding family, destructiveness, anxiety | Weight gain, mild barking, restlessness |
The exercise gap is one of the most significant practical differences. A Sheltie with insufficient physical and mental stimulation becomes a nightmare — excessive barking, neurotic behaviour, spinning, and destructive herding of household members. The Collie, while still requiring daily exercise, is more forgiving if a day is missed. Dog sports are practically mandatory for a Sheltie and optional (though beneficial) for a Collie.
Both breeds thrive in agility, and Australia has an excellent agility community through Dogs Victoria, Dogs NSW, Dogs QLD and affiliated clubs. If you’re drawn to dog sports, the Sheltie is the standout performer — their speed, agility and responsiveness make them consistent agility champions. The Collie excels more in obedience, rally and herding trials.
Training
Both breeds are exceptionally trainable — they’re among the smartest dog breeds on the planet. The Sheltie ranks 6th in Stanley Coren’s intelligence rankings (learning new commands in fewer than 5 repetitions, obeying first command 95%+ of the time). The Collie ranks 16th, which is still elite-level intelligence.
The Sheltie is the faster learner and the more eager-to-please partner. In obedience trials and agility courses, Shelties are lightning-fast responders who thrive on the precision and repetition of structured training. The trade-off: their sensitivity means harsh correction can shut them down completely. One sharp “no” can make a sensitive Sheltie refuse to work for the rest of the session. Positive reinforcement, patience and enthusiasm are non-negotiable.
The Collie is equally intelligent but slightly more independent. Where the Sheltie says “what do you want me to do? I’ll do it now!”, the Collie says “I understand what you want — let me think about whether I agree.” This isn’t stubbornness; it’s a calmer, more considered approach to commands. Collies are less reactive to handler emotions, making them more forgiving for novice trainers.
For both breeds: start socialisation early (8-12 weeks), enrol in puppy kindergarten, and continue training throughout the dog’s life. Both breeds love learning and will become bored without ongoing mental challenges. Both breeds have herding instincts that need redirecting — teach a solid “leave it” and “quiet” command from day one.
Which Costs More in Australia?
Both breeds are similarly priced to buy, with the Sheltie sometimes commanding a slight premium due to higher demand and smaller litter sizes. The Collie costs more to maintain due to its larger body.
| Cost Category | Shetland Sheepdog (AUD) | Rough Collie (AUD) |
|---|---|---|
| Puppy (ANKC Registered) | $2,500-$5,000 | $1,500-$3,500 |
| Show Quality Puppy | $4,000-$5,000+ | $3,000-$5,000 |
| Rescue / Adoption | $400-$800 | $400-$800 |
| First-Year Setup | $1,000-$2,000 | $1,200-$2,500 (larger crate, bed, gear) |
| Annual Vet Costs | $500-$1,200 | $600-$1,500 |
| Pet Insurance (Monthly) | $35-$70 | $40-$85 |
| Food (Monthly) | $60-$100 (7-11 kg dog) | $100-$180 (23-34 kg dog) |
| Professional Grooming (Annual) | $500-$1,000 | $700-$1,300 |
| Lifetime Cost (Est.) | $18,000-$32,000 (12-14 yr lifespan) | $22,000-$40,000 (12-14 yr lifespan) |
Finding a Breeder in Australia
Shetland Sheepdog: ANKC-registered breeders through the Shetland Sheepdog Club of Victoria, SSC of NSW, SSC of QLD, or DogzOnline. Demand health clearances: CEA eye testing (ophthalmologist exam), MDR1 DNA testing, hip scoring and PRA screening. Established Australian Sheltie kennels include Charmhill (50+ years), Deerod and Prissington.
Rough Collie: ANKC-registered breeders through DogzOnline or state breed clubs. Request the same health clearances: CEA eye testing, MDR1 status, hip/elbow scoring and DNA parentage verification. Established Australian kennels include Robgai (since 1969), Highclere (36+ years), Carluke, Kendea and Baqilodge. Both breeds have relatively small breeder communities in Australia — expect waiting lists of 6-12 months for quality puppies from established kennels.
Sheltie vs Rough Collie for you
Both breeds handle Australian conditions better than their heavy coats suggest. The double coat insulates against heat when properly maintained (regular brushing to remove dead undercoat). Both breeds need shade, water and restricted exercise during summer’s hottest hours. Neither breed should be shaved. In tropical QLD and northern NSW, both breeds can struggle in high humidity — the combination of heat and moisture makes the double coat less effective as insulation. In Victoria, SA, Tasmania and the ACT, both breeds thrive year-round with standard precautions.
The Sheltie can technically live in an apartment if its exercise and mental stimulation needs are met — but the barking makes apartment living risky. Noise complaints from neighbours are a real concern. The Collie is also possible in a larger apartment but its size (23-34 kg) makes it less ideal. Both breeds are best suited to a house with a fenced yard. The Sheltie especially benefits from a yard where it can run and play — it’s a small dog with big energy needs.
If you live in a strata-managed apartment or townhouse, the Sheltie’s barking tendency is a serious consideration. Even well-trained Shelties are vocal. Some strata by-laws include noise clauses that a persistently barking dog can violate. The Collie is the safer choice for shared-wall living, though it’s still a herding breed that will alert bark.
Neither breed is affected by breed-specific legislation anywhere in Australia.
Standard council rates apply. Both breeds are well under any large-dog thresholds.
Both breeds are covered by all major Australian insurers. Premiums are moderate for both. The critical action: get MDR1 testing done and share results with your vet AND your insurer. Some policies may not cover drug reactions if the dog’s MDR1 status is unknown.
If dog sports interest you, the Sheltie is the more competitive choice. Australian agility, obedience and rally communities are thriving, with competitions run through state canine bodies and breed clubs. Shelties consistently rank among the top agility competitors due to their speed, responsiveness and size (they’re fast through tight courses). Collies excel in herding trials, obedience and rally. Both breeds are eligible for all ANKC-sanctioned events.
So, Should You Get a Sheltie or a Rough Collie?
You want a high-energy, highly intelligent dog that thrives on mental and physical challenges. You’re interested in dog sports — agility, obedience, rally, herding. You’re comfortable managing vocal behaviour and have tolerant neighbours (or a detached house). You want a smaller dog (7-11 kg) that’s more portable, cheaper to feed and easier to transport. You have time and energy to provide daily structured exercise and training. You want one of the most responsive, trainable dogs on the planet and don’t mind that it comes with a volume dial stuck on loud.
You want a calm, gentle, adaptable family dog with the patience of a saint around children. You prefer a medium-large dog (23-34 kg) with a noble presence and stunning coat. You live in shared-wall housing or have noise-sensitive neighbours — the Collie is quieter. You’re a first-time dog owner who wants an intelligent but forgiving breed. You want the “Lassie” experience: a loyal, devoted companion who’s equally happy on a walk or on the couch. You don’t need a competitive sport dog and just want a loving family member.
You can’t commit to regular grooming — both breeds need 2-3 brushing sessions per week, more during shedding season. You want a low-shedding or hypoallergenic dog — neither breed qualifies. You’re away from home for more than 6-8 hours daily — both breeds develop separation anxiety. You don’t have time for daily exercise (minimum 30 minutes for Collie, 45+ for Sheltie). You want a guard dog — both breeds will alert bark but are friendly, not aggressive. You live in a very hot, humid climate without reliable cooling — both breeds can struggle in tropical heat.
If you came here searching for a “miniature collie,” you’ve found something better: two distinct, wonderful breeds, each with its own strengths. The Sheltie isn’t a small Collie — it’s a brilliant, sensitive, high-energy herding dog that happens to look like one. The Rough Collie isn’t a big Sheltie — it’s a calm, gentle, tolerant companion that earned its place as one of the world’s most beloved family breeds.
For active owners who love training and dog sports and can handle the barking, the Sheltie is an extraordinary companion — there are very few dogs more responsive, more eager to please or more fun to train. For families wanting a laid-back, child-friendly, beautiful dog that’s content with moderate exercise and won’t shatter the neighbourhood’s peace, the Rough Collie is the smarter choice.
Whichever you choose, buy from an ANKC-registered breeder who tests for CEA, MDR1, PRA and hip dysplasia. These breeds share genetic vulnerabilities that responsible breeding can minimise — cutting corners on health testing to save money on the puppy price is a false economy that will cost you far more in vet bills.
Frequently Asked Questions
Is a Sheltie just a miniature Collie?
No. The Shetland Sheepdog is a distinct breed, not a scaled-down Rough Collie. While Collie blood was introduced during the breed’s development in the early 1900s (which explains the striking resemblance), the Sheltie originated from Spitz-type herding dogs, King Charles Spaniels and other breeds native to Scotland’s Shetland Islands. The two breeds are separately registered by the ANKC and all major kennel clubs worldwide, with different breed standards, different ancestries and different temperament profiles.
Are Shelties really that noisy?
Yes. Barking is the number one behavioural characteristic reported by Sheltie owners and the most common reason for rehoming. Shelties were bred to herd and alert using their voice, and this trait runs deep. Training can moderate barking — a solid “quiet” command and desensitisation work help — but expecting a silent Sheltie is unrealistic. If noise is a concern for your living situation, the Rough Collie is a significantly quieter alternative.
Which breed is better for families with young children?
The Rough Collie. Its larger size makes it less fragile, its calmer temperament is more tolerant of the noise and unpredictability of young children, and its “Lassie” reputation for gentle, protective behaviour with kids is well-earned. Shelties are wonderful with older children (7+) who can be gentle and calm, but their sensitivity, smaller size and tendency to herd (nip at heels) make them less ideal for toddlers and young kids.
What is the MDR1 gene and why does it matter?
The MDR1 (Multi-Drug Resistance 1) gene mutation affects approximately 15% of Shelties and a similar proportion of Collies. Dogs with this mutation have dangerous sensitivity to certain common medications, including ivermectin (found in some heartworm preventatives), loperamide (Imodium) and some anaesthetics. Giving these drugs to an MDR1-affected dog can cause neurological damage or death. A simple DNA test ($80-$150 AUD) reveals your dog’s status. Always share MDR1 results with every vet who treats your dog.
How much does a Sheltie cost in Australia?
Expect to pay $2,500-$5,000 AUD for an ANKC-registered Sheltie puppy from a reputable breeder. Show-quality puppies from champion lines sit at the higher end. Rough Collie puppies typically cost $1,500-$3,500 AUD from ANKC breeders. Both breeds have small breeder communities in Australia, so waiting lists of 6-12 months are common for well-bred puppies.
Do Shelties and Collies cope with Australian heat?
Better than you’d expect. Their double coats insulate against both heat and cold. Never shave either breed — the coat actually protects them from sunburn and overheating. Keep the coat well-brushed (especially removing dead undercoat), provide shade and fresh water, and exercise only during cool hours (before 9am and after 5pm in summer). Both breeds struggle more in humid tropical heat than dry heat.
Can a Sheltie live in an apartment?
Technically yes, if its exercise and mental stimulation needs are fully met. Practically, the barking makes apartment living challenging. Noise complaints from neighbours are a real risk, and some strata by-laws include noise clauses. If you insist on apartment living with a Sheltie, invest heavily in bark training from puppyhood, provide at least 45-60 minutes of daily exercise plus mental enrichment, and consider a companion dog to reduce separation-related barking.
Are there actually “miniature collies” being bred?
Some breeders market dogs as “miniature collies” — these are typically undersized Rough Collies, Collie-Sheltie crosses, or simply Shelties being sold under a more marketable name. There is no ANKC-recognised breed called a “miniature collie.” If you see this term in a listing, ask the breeder to clarify the exact breed registration. An ANKC-registered breeder will never use the term “miniature collie” because it doesn’t correspond to any registered breed.
Primary Sources:
- ANKC — Shetland Sheepdog Breed Standard: https://dogsaustralia.org.au/
- ANKC — Collie (Rough) Breed Standard: https://dogsaustralia.org.au/
- AKC — Collie vs Shetland Sheepdog: https://www.akc.org/expert-advice/dog-breeds/collie-versus-shetland-sheepdog-tell-difference/
- Shetland Sheepdog Club of Victoria — Breeder Directory: https://sheltieclubvic.weebly.com/breeder-directory.html
- Wikipedia — Shetland Sheepdog: https://en.wikipedia.org/wiki/Shetland_Sheepdog
- Pet Circle — Shetland Sheepdog Breed Guide: https://www.petcircle.com.au/discover/breed-guide-shetland-sheepdog
- DogzOnline — Shetland Sheepdog Breeders Australia: https://www.dogzonline.com.au/breeds/breeders/shetland-sheepdog.asp
- DogzOnline — Collie (Rough) Breeders Australia: https://www.dogzonline.com.au/breeds/breeders/collie-rough.asp
- Stanley Coren — The Intelligence of Dogs (breed ranking reference)
- Dogs Victoria — Collie (Rough) Breed Information: https://dogsvictoria.org.au/