Pet Wiki

Koolie

Also called Australian Koolie, German Koolie, German Coolie, Coulie, German Collie

An alert, keen and highly trainable herding dog that attaches strongly to its handler.

SizeMedium
Height41 to 65 cm (16 to 26 in)males 43 to 65 cm, females 41 to 60 cm12
CoatShort to medium double coat
OriginAustralia, developed by farmers from imported British collies and German working dogs from the 1800s.31
Recognised breedShort profile
very intelligent and eager
loyal to its handler
tireless worker
21

Personality what they are like

An alert, keen and highly trainable herding dog that attaches strongly to its handler. Koolies are known for working stock quietly and calmly, and they respond best to consistent, fair training.21

Coat and looks how to spot one

short to medium double coat

Most Koolies wear a close, flat outer coat over a short dense undercoat that sheds rain; smooth, medium and occasionally longer coats occur. The body is lean and athletic with a deep chest and strong hindquarters.21

Coloursblue merlered merleblackredchocolatecreamwith or without tan points or white markings13

The care rhythm a typical week and year

A typical home-care rhythm for a Koolie. A starting point, not a vet's advice.

  • Brushingevery week
  • Bathevery 8 weeks
  • Nail trimSooner if you hear clicking on the floorevery month
  • Ear checkFloppy ears trap moisture, so check and dry themevery week
  • Teeth brushingDaily brushing is idealevery 2 days
  • ExerciseDaily walks and playevery day
  • Flea, tick and worm protectionSchedule as your vet recommendsas your vet recommends
  • Vet check-upSenior years usually start around age 8every year

Daily activity how busy a day looks

High: a working breed built for stamina that thrives with daily work, herding or dog sports such as agility, tracking and obedience.42

Grooming and care the hands-on bits

The short weather-resistant coat needs only routine brushing.2

Home where they are happiest

Best suited to homes with space and an active lifestyle, such as farms or owners involved in dog sports.4

Company who they like around

Forms a close working bond with its person and wants a job and regular interaction.2

The story where it all began

Koolies grew out of British collies that reached Australia around the 1820s and herding dogs brought by German settlers to South Australia and Victoria in the mid-1800s. Farmers bred them purely for working ability, so their looks vary by region. The Koolie Club of Australia was formed in 2000 to keep the breed's records.314

Fun facts for the dinner table

  1. 1

    The name is thought to come from 'German's Coolie', a nickname for a hard-working dog, later spelled with a K to set it apart from the Collie.3

  2. 2

    Koolies are famous for working stock silently, without barking.1

  3. 3

    Northern cattle-working lines tend to be taller, while Victorian sheep lines are smaller.1

  4. 4

    Wikipedia reports a median lifespan of about 15 years.1

  5. 5

    Besides farm work, Koolies take part in agility, tracking, therapy and detection work.4

Where the name comes from the story behind it

The breed name 'Koolie' is believed to have evolved from the misnomer 'German Coolie,' which itself came from the erroneous term 'German collie' used in early Australian references for these blue-merle herding dogs.3

Name ideas for your new friend

AussieMackBlueTessRooBindiDiggerPepperSandyCharlieJazzQueenie

A day in the life told by a Koolie

I woke up early and herded the kids into the kitchen. Then I helped the boss with the sheep, ran wide, circled back, all quiet and calm. After sorting the paddock, I went for a romp in the dam. Afternoon: I did tricks for treats and showed off my new agility moves. When the sun got low, I snoozed by the fire. My people say I'm the best helper. Another good day on the land.

A made-up story, just for fun. Not advice of any kind.

Recognised by the official bits

Koolie Club of Australia
Breed club founded in April 2000 that keeps a registry and publishes 'The Koolie Fundamentals' as a working guide instead of a strict show standard.4
Other registries
Not recognised by the ANKC, FCI or AKC; accepted by working and sporting registers such as the Australian Sporting Registrar, the American Herding Breed Association and state Canine Control sporting registers (per Wikipedia).1

Treats they will love homemade and simple

Simple Carrot Crunchies

Carrots are low in calories and high in fibre, making them a crunchy, satisfying treat that won't pile on the pounds.

You need

  • 1 large carrot, washed and peeled

How

  1. Cut the carrot into thin, bite-sized sticks or rounds.
  2. Steam or boil the carrot pieces for 5–7 minutes until just tender, or serve raw for extra crunch.
  3. Allow to cool completely before offering to your dog.

How much: Give 2–3 small pieces per day for a medium-sized dog, adjusting for your dog's size and daily calorie allowance.

Recipe from The Kennel Club

Pumpkin & Yoghurt Pup-Cup

Pumpkin is packed with fibre and vitamins, helping dogs feel full without extra calories, and low-fat yoghurt keeps it light.

You need

  • 1 cooking pumpkin
  • ½ cup lactose-free, low-fat yoghurt
  • ½ cup lactose-free, low-fat whipping cream
  • Cinnamon, to sprinkle

How

  1. Peel the pumpkin and remove all seeds.
  2. Cut the flesh into small pieces and steam for 15 minutes until soft.
  3. Mash the cooked pumpkin until smooth and let it cool completely.
  4. Mix 1 tablespoon of the mashed pumpkin with the yoghurt.
  5. Spoon the mixture into a small paper cup.
  6. Whip the cream until soft peaks form and spoon it on top of the yoghurt mixture.
  7. Sprinkle a tiny pinch of cinnamon over the cream.

How much: One pup-cup is plenty for a medium-sized dog as an occasional treat. Adjust portion size for smaller or larger dogs.

Recipe from Dogs Trust

Blueberry and Oat Bites

These three-ingredient treats are quick to make and packed with antioxidants from blueberries and fibre from oats. They are low in fat and perfect as a training reward.

You need

  • 100g oats
  • 1 banana (mashed)
  • 40g fresh blueberries (chopped)
  • Splash of water (as needed)

How

  1. Preheat your oven to 175°C (350°F).
  2. In a bowl, mix the mashed banana, oats, and chopped blueberries together.
  3. Add splashes of water gradually until the mixture comes together into a large ball.
  4. Roll out the mixture on a lightly floured surface to about 1-2cm thick.
  5. Use a knife or cookie cutter to cut into shapes.
  6. Place the shapes on a lined baking tray.
  7. Bake for 15-20 minutes until slightly browned.
  8. Leave to cool completely before serving.

How much: Offer one or two bites per day for a medium-sized dog. Reduce your dog's usual food portion to account for these treats.

Recipe from Dogs Trust

Not veterinary advice. Check with your vet first if your pet has allergies, a health condition, is on a special diet or is pregnant. Treats should stay a small part of the daily food. Cut to a safe size and supervise. Terms of use

Owner questions the things everyone asks

How often should I feed my Koolie, and at what times?

Feed your adult Koolie at least two meals a day at consistent times, and puppies three to four smaller meals. This matches general dog feeding guidance and helps maintain steady energy for this active breed.5

What should a Koolie eat, and which foods are dangerous?

Provide a high-quality dog food suitable for your Koolie's age and activity level. Avoid dangerous foods like chocolate, grapes, raisins, onions, garlic, xylitol, and macadamia nuts, as listed by the ASPCA.6

How often should I bathe a Koolie?

Bathe your Koolie every two to three months, or more often if they get very dirty or have skin issues. Pet Wiki's starting plan suggests a bath every 56 days.7 Pet Wiki plan

How often does a Koolie need brushing?

Brush your Koolie weekly to keep its short weather-resistant coat healthy. Pet Wiki recommends brushing every 7 days.2 Pet Wiki plan

How do I trim a Koolie's nails, and how often?

Trim your Koolie's nails when you hear them clicking on the floor, about every 28 days according to Pet Wiki's plan. Cut a little at a time, stopping before the quick to avoid bleeding.7 Pet Wiki plan

How much exercise does a Koolie need?

Your Koolie needs daily vigorous exercise, such as herding, dog sports, or long walks and play. This is a high-energy working breed built for stamina.42 Pet Wiki plan

How do I look after a Koolie's teeth and ears?

Brush your Koolie's teeth two to three times a week with dog toothpaste, and check ears weekly for moisture or dirt. Pet Wiki suggests daily brushing and weekly ear checks, especially since floppy ears can trap moisture. Never push anything into the ear canal.7 Pet Wiki plan

How long does a Koolie live?

The lifespan of a Koolie varies; ask a good breeder or your vet for typical ranges.

Is a Koolie good with children and other pets?

Koolies are alert, keen herding dogs that form strong bonds with their people. Their behavior with children and other pets depends on training and socialization, so consult a good breeder or experienced trainer.21

Can a Koolie be left alone?

Koolies want regular interaction and a job to do, so they may not be happy left alone for long periods. Ask a good breeder for advice on your specific situation.2

Written from the sources on this page, a few checked guides (VCA, ASPCA, RSPCA) and Pet Wiki's own starting care plan. A friendly guide, not a vet's advice.

You might also like

Australian KelpieBorder CollieAustralian Shepherd

Where this comes from

Every fact on this page has a numbered source. Spotted an error? support@petwiki.app.

  1. Koolie - Wikipedia en.wikipedia.orgused for other names, recognition, height, coat, colours, temperament, facts
  2. The Koolie Fundamentals - Koolie Club of Australia koolie.netused for height, coat, temperament
  3. Koolie History - Koolie Club of Australia koolie.netused for origin, history, name, colours
  4. Koolie Club of Australia koolie.netused for club recognition, uses, activity
  5. VCA Animal Hospitals: Feeding times and frequency for your dog vcahospitals.comused for owner questions
  6. ASPCA: People foods to avoid feeding your pets aspca.orgused for owner questions
  7. ASPCA: Dog grooming tips aspca.orgused for owner questions

Checked 2026-09-30. Text is written in our own words from these sources.