United Pet Club
Collie — a Large, Gentle Dog breed originating in Scotland

Collie

The Collie is a gentle, devoted family herder beloved for its grace, intelligence, and famously sweet temperament.

Size
Large
Lifespan
12–14 years
Origin
Scotland
Temperament
Gentle
Standard colors
Black, White and Blue and 2 more
Key Traits
GentleLoyalIntelligentGood with kidsDevoted

Characteristics

Energy Level3
Trainability5
Good With Kids3
Good With Pets3
Grooming Needs3

Coat and grooming

How the Collie coat is built, and what that means when you groom it.

Coat layers
Double coat
Coat texture
Rough
Coat length
Long
Shedding
Seasonal shedding

Grooming guidance

  • Critical: A Collie should not be shaved.

    The undercoat keeps heat out as well as in, and the outer coat shields the skin from sun and insect bites. Clipping the whole coat off removes both. It often grows back patchy, soft or a different colour, and in some animals the guard hairs never return properly. Brush the undercoat out instead of cutting it off.

  • Caution: A Collie coat mats easily.

    Fine or long hair tangles at the base of the coat, out of sight, where the mats tighten and pull on the skin. Brushing has to reach right down to the roots in sections, not just skim the surface.

  • Information: A Collie drops its undercoat in heavy bursts.

    The undercoat comes out in heavy bursts over a few weeks. An undercoat rake, or a bath followed by a proper blow-dry, clears it far faster than daily brushing. Clipping the coat down is not a shortcut for this.

Collie colors and patterns

What each club's breed standard says about every Collie color and pattern. Point at a ruling to see the club's own wording.

Breed standards describe the Collie in Black, White, Blue, Tan and Fawn. Standard patterns: Bicolour, Tricolour, Merle, Sable and Tan point.

Coat: rulings by club
Color or patternAKCUKC
BlackStandard (“Black White & Tan”)Standard (“tri-color: predominately black”)
WhiteStandard (“White”)Standard (“white: predominately white”)
BlueStandard (“Blue Merle”)Standard (“blue merle: mottled or marbled blue-grey and black”)
TanStandard (“Black White & Tan”)Standard (“rich tan markings on the head and legs”)
FawnStandard (“a fawn sable color of varying shades from light gold to dark mahogany”)Standard (“any shade of light gold to rich mahogany”)
AlbinoNot recognisedDisqualifying (“albinism”)
Patterns
BicolourStandard (“Sable & White”)Standard (“typical white markings”)
TricolourStandard (“Black White & Tan”)Standard (“tri-color”)
MerleStandard (“Blue Merle”)Standard (“blue merle”)
SableStandard (“Sable”)Standard (“sable”)
Tan pointStandard (“Black & Tan Markings”)Standard (“rich tan markings on the head and legs”)
Double merleNo rulingNo ruling
Eyes: rulings by club
Color or patternAKCUKC
BlueStandard (“either or both eyes may be merle or china in color without specific penalty”)Standard (“the Blue Merle, which may have blue, or blue flecked, eyes (one or both)”)
Dark brownStandard (“the color is dark”)Standard (“dark brown in color”)
Patterns
MarbledStandard (“either or both eyes may be merle ... in color”)No ruling
Odd-eyedStandard (“either or both eyes may be merle or china (blue merles)”)Standard (“blue, or blue flecked, eyes (one or both)”)
SectoralNo rulingStandard (“blue flecked”)
Nose: rulings by club
Color or patternAKCUKC
BlackStandard (“the black nose”)Standard (“must be black”)

What the rulings mean

Standard
Described by the club's breed standard.
Disqualifying
The club's breed standard disqualifies an animal of this colour or pattern.
Not recognised
The club does not accept this colour or pattern for the breed.

Color changes

How a Collie's colors can change over its life.

  • Blackchanges toRust

    Coat · With body condition · can change back

  • Blackchanges toGrey

    Coat · Progressive

  • Blackchanges toBrown

    Coat · In the sun · can change back

  • Whitechanges toRoan

    Coat · With age · from 2 weeks

  • Tan pointchanges toSaddle

    Coat · With age · from 6 to 156 weeks

  • Bluechanges toDark brown

    Eyes · With age · from 2 weeks

  • Bluechanges toBrown

    Eyes · With age · from 2 weeks

  • Bluechanges toLight brown

    Eyes · With age · from 2 weeks

  • Bluechanges toAmber

    Eyes · With age · from 2 weeks

  • Bluechanges toHazel

    Eyes · With age · from 2 weeks

  • Bluechanges toYellow

    Eyes · With age · from 2 weeks

  • Blackchanges toSnow nose

    Nose · With the season · can change back

  • Blackchanges toPink

    Nose · With the season · can change back

Sources

Each ruling comes from the club's published breed standard or color list.

About the Collie

The Collie is a large Scottish herding breed known for its gentle temperament, sharp intelligence and close devotion to family.

The Collie is a large herding breed that developed across Scotland and the north of England, where it worked sheep over rough, open hill country. Its instantly recognisable outline comes from generations spent on hill farms, and its fame was further boosted by frequent appearances in film and television through the twentieth century.

Two coat varieties exist: the Rough Collie, with its full, flowing coat, and the Smooth Collie, which has a short, dense coat. Apart from the coat, the two share the same build, head type and temperament. In the home the Collie is settled and easy-going, yet stays alert to whatever is going on around it, and it forms close attachments to its own family.

The breed is gentle, loyal, intelligent and devoted, and has long been regarded as a safe, reliable dog around children. It suits owners who can offer daily exercise, steady company and consistent, kind handling.

Collie at a glance
AttributeDetail
OriginScotland
SizeLarge
Lifespan12 to 14 years
Group/roleHerding dog
Good withChildren, families, other pets when socialised

Who it suits

The Collie suits active households looking for a sensitive, people-focused companion, and it fits comfortably into homes with children. It tends to stay near its owners rather than wander off on its own. It is not the right fit for a household where it would be left alone for long spells during the day, since it needs company and enough activity to stay settled.

History and origins

The Collie began as a working sheepdog in Scotland, gained popularity in the late 1800s through royal patronage, and later became a well-known screen dog.

The Collie's ancestors were the herding dogs kept by shepherds across Scotland and the border country of northern England. These dogs earned their keep on rough upland ground, and breeding favoured stamina, willingness to work and a natural instinct for gathering and moving sheep. Nobody is fully certain where the name comes from; a few explanations link it to old words for the dogs themselves or for the dark-faced hill sheep they minded.

For most of its early history the Collie was simply a farm dog, with size and coat varying from region to region rather than following any fixed standard. That changed in the second half of the nineteenth century as organised dog showing took hold and breeders began to settle on a consistent type.

Queen Victoria's interest in the breed, formed during her visits to Scotland, did a great deal to raise its standing beyond farming circles. From the 1860s the Collie moved on from purely working stock to become a recognised show dog and companion, and the long-coated Rough variety in particular drew a strong following.

Through the twentieth century, books, film and television brought the Collie to an enormous audience and fixed its image as a devoted family dog. The Rough and Smooth varieties were established during this period and continue to be bred side by side today. In Ireland, the Collie is registered with the Irish Kennel Club, the country's national registry for pedigree dogs.

Appearance and breed standard

The Collie is a large, elegant dog with a long wedge-shaped head, a lush coat in the Rough variety, and several recognised colour patterns.

The Collie is a large, athletic dog with a smooth, balanced outline and a naturally alert expression. The head is a long, clean wedge that narrows towards the nose, topped by a flat skull with a moderate, well-defined stop. The ears sit semi-erect, tipping forward at the point when the dog is paying attention. Overall the breed carries itself with elegance rather than bulk.

Collie breed standard
TraitDetail
HeightRoughly 56 to 66 cm (22 to 26 in) at the shoulder
WeightRoughly 23 to 34 kg (50 to 75 lb)
CoatRough variety: long and dense with a full mane and frill. Smooth variety: short, flat and dense
ColoursSable and white, tricolour, blue merle, and white
EyesAlmond shaped, dark; merles may have blue or part-blue eyes

Coat and colours

The Rough Collie has a long outer coat over a soft, dense undercoat, with a heavy mane around the neck and feathering on the legs and tail. The Smooth Collie carries a short, hard, flat coat with a thick undercoat, on the same body type as its Rough cousin. Recognised colours include sable and white, ranging from pale gold through to deep mahogany; tricolour, black with tan and white markings; blue merle, a marbled blue-grey pattern; and mostly white dogs with colour patches. White markings on the chest, legs and tip of the tail appear across all these colours.

Temperament and personality

The Collie is gentle, devoted and intelligent, easy-going with family and children, and usually reserved rather than unfriendly with strangers.

The Collie is calm and affectionate, and stays closely attached to its family. It picks up on the moods of the people around it and responds far better to gentle, consistent handling than to any kind of sharp correction, which tends to make the dog anxious rather than obedient.

The breed is patient and watchful with children, and this is a large part of why it has been trusted as a family dog for generations. With strangers it is usually polite but a little reserved, often barking to announce a visitor before settling once it senses there is no threat. Its herding background comes through in a habit of keeping track of family members, and some dogs will circle or gently shepherd children or other pets that are on the move.

Around other animals the Collie generally gets on well, particularly if raised with them from an early age. That herding instinct can tempt it to chase anything moving quickly, so early socialisation matters. Some Collies are ready barkers, and it is worth managing this habit from puppyhood.

Collie trait ratings (1 = low, 5 = high)
TraitRating
Affection5
Energy3
Trainability5
Vocalness4
Shedding4

Care and grooming

The Collie needs regular coat care, daily exercise and plenty of family contact, with the Rough variety needing more grooming than the Smooth.

Grooming

  • Brush the Rough Collie several times a week to stop the mane, the area behind the ears and the leg feathering from matting
  • Brush the Smooth Collie weekly to keep the dense undercoat under control
  • Expect a heavier moult during seasonal coat changes, when brushing more often helps
  • Bathe only when needed, as the coat sheds dirt well between washes
  • Trim nails regularly and keep the ears clean and dry

Exercise

  • Give at least an hour of activity a day through walks and play
  • Allow room to trot freely, which suits the breed's natural gait
  • Add mental work such as training games, scent work or herding-style tasks
  • Avoid leaving the dog idle for long stretches, which can bring on barking or restlessness

Environment

The Collie settles into house or flat life provided it gets enough daily exercise and company, though it does best with access to a secure garden. It is a people-oriented breed that wants to be near its family rather than shut away on its own. Ireland's cool, damp climate suits the breed's thick double coat particularly well, though even here warm spells call for shade, water and exercise timed for the cooler parts of the day to avoid overheating.

Nutrition and feeding

The Collie does well on a complete, balanced diet sized to its large frame and activity level, fed in measured meals to maintain a healthy weight.

A Collie should eat a complete, balanced diet suited to its life stage and size. Adults of this large breed need food that provides steady energy without excess calories, since the breed is moderately active rather than high-energy. Measure out portions rather than leaving food down all day, and adjust amounts to keep the dog lean, with a visible waist and ribs that are easy to feel. Fresh water should always be available.

General feeding guide for the Collie
Life stageAmount per dayMeals
Puppy (2 to 6 months)Per puppy-food label, by weight3 to 4
Junior (6 to 12 months)Per label, adjusted to growth2 to 3
AdultRoughly 2.5 to 3.5 cups of quality dry food2
SeniorReduced to match lower activity2

Treats and supplements

Keep treats to around ten per cent of daily calories to protect the dog's weight, and use small pieces for training rewards. Most Collies on a complete diet need no extra supplements, though a vet may recommend joint or coat support for individual dogs. Bring in any change of diet gradually, over several days, to avoid an upset stomach.

Health and lifespan

The Collie typically lives 12 to 14 years and is generally healthy, though a few breed-linked conditions affect the eyes, hips and drug sensitivity.

The Collie is generally a sound, long-lived breed, typically living 12 to 14 years. Responsible breeding and routine veterinary care help keep the breed-linked conditions below in check. It is worth choosing a breeder who screens breeding stock for eye disease and other genetic disorders.

Conditions seen in the Collie
ConditionSignsNote
Collie eye anomalyOften no visible signs; picked up on an eye examInherited; screen puppies early
Progressive retinal atrophyLoss of night vision, later loss of vision generallyInherited; DNA tests available
MDR1 drug sensitivityAdverse reaction to certain common drugsGenetic test guides safe dosing
Hip dysplasiaStiffness, limping, difficulty getting upScreen breeding dogs
Bloat (gastric torsion)Swollen abdomen, retching, obvious distressEmergency; act immediately

Preventive care

  • Keep vaccinations and parasite control up to date
  • Book an annual vet check-up, with eye exams as advised
  • Confirm MDR1 status before certain medications are given
  • Keep the dog at a lean weight to protect the joints
  • Look after teeth with regular brushing or dental checks

Training and intelligence

The Collie is highly intelligent and keen to please, which makes it quick to learn with patient, reward-based training methods.

The Collie is one of the more trainable breeds around. It picks things up quickly, reads its handler closely, and genuinely wants to cooperate, which suits it to obedience, agility, herding trials and assistance work. The same sensitivity means the breed does not respond well to harsh handling, and can shut down or grow anxious under it. Calm, consistent, reward-based training gets the best out of a Collie. Early socialisation to people, places and other animals helps stop the breed's natural wariness from tipping into shyness.

Basics

  1. Start socialisation and gentle handling as a puppy
  2. Teach name recognition and a reliable recall first
  3. Build up core cues such as sit, down, stay and leave it
  4. Keep sessions short, upbeat and frequent
  5. Channel herding instinct into games and structured activity
  6. Deal with excess barking early, with calm, consistent responses

Breeding and raising puppies

Collies reach breeding maturity in their second year, carry a litter for about nine weeks, and typically raise four to eight puppies at a time.

Collies mature slowly, both physically and behaviourally, and responsible breeders generally wait until a dog is around two years old before breeding, giving time to assess health and temperament and complete the necessary screening. Bitches come into season roughly twice a year. Before any mating, both parents should be checked for the breed's known inherited conditions, including eye disorders and MDR1 status, so that affected pairings can be avoided.

Pregnancy lasts about 63 days. Litter size varies, though four to eight puppies is typical. Puppies are born helpless, with their eyes and ears closed, and rely entirely on the dam for the first few weeks. Gentle handling early on, along with exposure to ordinary household sights and sounds, lays the groundwork for the breed's steady adult temperament. Puppies are usually weaned by around seven to eight weeks and should stay with the dam and littermates until then to pick up normal social behaviour.

Collie breeding facts
MetricValue
Breeding maturityAbout 2 years
Cycle frequencyRoughly twice a year
GestationAbout 63 days
Typical litter size4 to 8 puppies
Weaning age7 to 8 weeks
Recommended pre-breeding screeningEye exam, MDR1, hip evaluation

Registering your Collie in Ireland, chip and record both

Irish law wants every dog chipped and recorded; United Pet Club keeps your Collie's record free, current, and there for life.

How to register a Collie in Ireland

Irish law has required every dog to be chipped and registered since the 2015 Regulations came in, and it expects the details behind the chip to stay current, not gather dust. A free United Pet Club profile does that for your Collie, for life. Registering your dog is a few minutes' work and costs nothing at all.

Lodge your Collie's fifteen digit number with United Pet Club and the chip finally earns its keep: free registration for life, every brand accepted, and a record the ISPCA or any warden can turn into a phone call. Microchip registration takes minutes, and the free account covers the profile while you're at it.

How do I register my Collie in Ireland?

Set yourself up with a free United Pet Club account, key in your Collie's details and a photo, and save. The profile holds for the whole of his life without charge, and the chip number can be lodged whenever you have it.

How do I register my Collie's microchip?

Lodge the fifteen digit chip number in your free account along with your address and phone number. The lifetime plan covers the registration and every update after it, free, whatever brand the vet used.

Is microchipping a Collie required in Ireland?

It is. The 2015 Regulations require every dog to be chipped and registered, pup or rescue alike. Keeping the record current is the part that falls to you, and United Pet Club makes that part free.

What does it cost to register a Collie in Ireland?

Not a penny. Profile, chip record, and every amendment are covered for life, with no renewal ever.

Frequently asked questions

Common questions about the Collie cover its size, temperament, grooming needs, lifespan, suitability for families and where to find one.

How big does a Collie get?

The Collie is a large breed, standing roughly 56 to 66 cm (22 to 26 in) at the shoulder and weighing about 23 to 34 kg (50 to 75 lb), with males generally bigger than females.

Is the Collie good with children?

Yes. The breed is gentle, patient and watchful around children, which is a big part of why it has been trusted as a family dog for so long. Young children should still be supervised with any dog.

How much grooming does a Collie need?

The Rough Collie needs brushing several times a week to stop it matting, while the short-coated Smooth Collie only needs a weekly brush. Both shed more heavily during seasonal coat changes.

How long do Collies live?

A Collie typically lives 12 to 14 years. A good diet, regular exercise, weight control and routine veterinary care all help support a long, healthy life.

Is the Collie easy to train?

Yes. The Collie is highly intelligent and keen to please, so it learns quickly with patient, reward-based methods, and responds poorly to harsh handling.

Does the Collie bark a lot?

The breed can be vocal, and may bark to alert its family or when it is under-stimulated. Early training and enough daily activity help keep barking under control.

Where can I get a Collie?

Look for breeders who screen for inherited eye disease, hip health and MDR1 status, and ask to see the health records. Collies are also available through breed-specific rescue groups, and prospective owners can check with the Irish Kennel Club for registered breeders.

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