Jack Russell and Corgi Mix (Cojack / Corki) - Facts, Pics and More

Jack Russell Corgi Mix [Cojack / Corki] Cross Dog Breed

Are you a fan of adorable mixed dog breeds? If so, you’re in for a treat with the Jack Russell Corgi Mix, also known as the Cojack or Corki. This charming combination brings together the energetic and lively nature of the Jack Russell Terrier with the playful and affectionate personality of the Corgi. In this article, we’ll explore all there is to know about this lovable mix, including its appearance, temperament, exercise needs, and more.

So, if you’re considering adding a Cojack or Corki to your family, keep reading to discover everything you need to know about this delightful crossbreed.

Fast Facts – Cojack / Corki (Jack Russell Corgi Mix)

Average height 10 to 13 inches
Average weight 20 to 30 pounds
Lifespan 12 to 15 years
Suitable for Singles or Couples, Families with Kids,
Active Seniors, Apartments
Temperament Intelligent, Active, Loyal, Playful, lively
Good for families? Yes
Other nicknames Welsh Cojack, Cacki, Corki
Complied by Jack Russell Owner

What is a Cojack dog? – Origin of Jack Russell Corgi Mix

What is a Cojack dog? - Origin of Jack Russell Corgi Mix

Welsh Cojack, Cacki, and Corki are the other names for the Jack Russell and Pembroke Welsh Corgi mix. As same as other hybrid breeds, Cojacks have a short history. There is not any documented evidence about the exact date or a place of their origin. However, since both Jack Russell Terrier and Welsh Corgi were bred in England, we can assume that Corki’s origin could have happened somewhere in England.

Welsh Cojack is recognized by the American Canine Hybrid Club (ACHC), International Designer Canine Registry (IDCR), Designer Dogs Kennel Club (DDKC), and Dog Registry of America. Since this amazingly designed dog is a result of the purebred Jack Russell Terrier and Pembroke Welsh Corgi mix, it would be better to look at their parents’ origin to get a clear idea of what a Cojack Dog is.

History of Jack Russell Terrier

History of Jack Russell Terrier

Jack Russell Terrier has a long history that runs more than 200 years back. John Jack Russell had bred these amazing dogs as working dogs in the early 1800s’ in England. They were excellent as hunting dogs because of their remarkable speed, endless energy, undivided alert, and superior intelligence. They helped in hunting small foxes and rabbits using their born talents. 

Read – All you need to know about Jack Russell Terriers

However, Jack Russell Terriers have been able to win the dog lover’s love and affection and became family dogs later on. Today, Jacks are one of the most famous dog breeds worldwide. They were able to win a lot of dog competitions due to their speed and accuracy. And also, they are fast learners that can perform lots of tricks in a short time.

History of Pembroke Welsh Corgi

History of Pembroke Welsh Corgi

Corgi is one of the most beloved family dogs nowadays because of their cute appearance and loyal behavior. They have got round and bright eyes showing their intelligence. And also, their tall and erect ears give them a funny look. Most importantly, they have a chubby body with short legs, which give them an adorable appearance. Overall, this little companion is capable of bringing a smile to your face at any time.

The origin of Pembroke Welsh Corgi runs around 1000 years back to somewhere in Wales. There is a belief that fairies used corgis as horses in ancient times. As a result, they have got saddle marks on their back and harness marks around the shoulders. Though that is a myth, it shows they have a long history none other than other dog breeds.

However, Corgi became more famous early in the 1900s in England because King George VI had gifted Corgi puppies to his daughters. The American Kennel Club identified Pembroke Welsh Corgi in 1934. Since then, Corgi holds his popularity continuously as a lovely and friendly family companion.

Jack Russell Terrier and Corgi mix create a small-sized and energetic dog. They are famous mixed dog breeds with exceptional intelligence, adorable appearance, and unbeatable loyalty. I can say that Cojack is an all-in-one solution for people who expect a family dog that is easy to maintain as well as make you smile.

Appearance of Corki

Appearance of Corki


As an adult, the Cojack typically stands between 10 to 13 inches tall at the shoulder and weighs around 20 to 30 pounds. These compact canines have a sturdy build with a strong and muscular body.

Coat and Colors

Cojacks often inherit the short and dense double coat of their parent breeds. They commonly sport a combination of white, brown, and black, with variations in patterns and markings. It’s not uncommon to see Cojacks with the characteristic Corgi markings, including a darker-colored saddle on their back.

Facial Features

With their endearing round eyes and expressive facial expressions, Cojacks possess a lovable charm. Their head may predominantly resemble the Jack Russell side, featuring a tapered muzzle, erect ears, and an intelligent gaze. However, they often inherit the distinctive Corgi ears, which add an extra touch of cuteness to their overall appearance.

Temperament of Jack Russell Corgi Mix

Temperament of Jack Russell Corgi Mix

Energy Level

Cojacks are renowned for their high energy levels and natural exuberance. These spirited pups thrive on physical exercise and mental stimulation. Expect a Cojack to be up for playful activities, games of fetch, and long walks by your side.


With intelligent parents like the Jack Russell and Corgi, it’s no surprise that Cojacks are clever and quick learners. They possess an innate curiosity and love to explore their surroundings. Their intelligence also makes them highly trainable, responsive to commands, and eager to please their owners.


Cojacks generally exhibit a friendly and outgoing nature, inheriting the social qualities of both parent breeds. Proper socialization from an early age is essential to ensure they grow up to be well-adjusted, sociable dogs. Introducing them to various people, animals, and new environments will help shape their confident and sociable personalities.

Health and Care

Health and Care of Jack Russell Corgi Mix

Common Health Issues

Cojacks are generally healthy dogs, but like any breed, they can be predisposed to certain health issues. Some common health concerns for Cojacks include hip dysplasia, progressive retinal atrophy, allergies, and back problems. Regular veterinary check-ups and a balanced diet can help minimize the risk of these conditions.

Exercise Needs

Due to their high energy levels, Cojacks require ample exercise to keep them physically and mentally stimulated. Daily walks, interactive play sessions, and opportunities for off-leash activities in a secure area are necessary for their overall well-being.

Grooming Requirements

Cojacks have moderate grooming needs. Regular brushing helps keep their coat healthy and minimizes shedding. Additionally, routine care such as nail trimming, ear cleaning, and dental hygiene should be incorporated into their grooming routine.

Training Cojacks

Training Cojacks

Obedience Training

As intelligent dogs, Cojacks excel in obedience training. They are eager to learn and aim to please their owners. Consistent training methods, positive reinforcement, and early socialization are key to their success in obedience training.

House Training

Cojacks, like most dogs, benefit from proper house training. With their intelligent and trainable nature, they can quickly grasp the concept of using designated areas for elimination. A regular schedule, patience, and positive reinforcement will help ensure successful house training.

Agility Training

The Cojack’s agility and athleticism make them well-suited for agility training. This activity not only provides them with physical exercise but also helps to challenge their mental capabilities. Engaging in agility training sessions can further strengthen the bond between you and your Cojack.

Living Environment

Ideal Home

Cojacks thrive in homes where they are showered with love, attention, and plenty of playtime. They adapt well to various living arrangements, including apartments, as long as their exercise needs are met. A securely fenced yard is always beneficial, allowing them to play and explore in a safe environment.

Compatibility with Children

Cojacks generally get along well with children, especially when raised together from a young age. Their playful nature and tolerance make them great companions for kids. However, it’s important to teach children how to interact respectfully with dogs and supervise their interactions to prevent any potential mishaps.

Compatibility with Other Pets

With proper socialization and training, Cojacks can coexist harmoniously with other pets, including cats and dogs. Early exposure to different animals and gradual introductions are key to ensuring a smooth transition and fostering positive relationships between your Cojack and other pets.

Feeding Corgi and Jack Russell Mixes

Feeding Corgi and Jack Russell Mixes

Nutritional Needs

Cojacks, like all dogs, require a balanced and nutritious diet to maintain their overall health and well-being. High-quality dog food that meets their specific life stage and dietary requirements is essential. Consult with your veterinarian to determine the appropriate feeding plan for your Cojack.

Portion Control

Portion control is crucial in ensuring your Cojack maintains a healthy weight. Overfeeding can contribute to obesity and related health issues. Follow the recommended feeding guidelines on the dog food packaging and monitor their body condition to adjust the portions accordingly.

Special Diet Considerations

Some Cojacks may have specific dietary needs due to allergies or intolerances. If your dog experiences any adverse reactions to their current diet, such as gastrointestinal issues or skin problems, consult with your veterinarian to explore potential food sensitivities and select an appropriate diet.

Exercise and Activity

Physical Activities

Cojacks thrive on physical activities and require daily exercise to burn off their energy. Engage them in activities such as brisk walks, jogging, hiking, or playing fetch in a securely fenced area. Their agility and stamina also make them excellent candidates for dog sports like flyball and dock diving.

Mental Stimulation

In addition to physical exercise, Cojacks need mental stimulation to prevent boredom and unwanted behaviors. Puzzle toys, treat-dispensing toys, obedience training sessions, and interactive playtime are all excellent ways to challenge their intellect and provide mental enrichment.

Outdoor vs Indoor Activities

While Cojacks enjoy outdoor activities, it’s important to ensure they have a safe and secure environment to explore. Supervised outdoor playtime should be balanced with indoor activities to protect them from extreme weather conditions. Indoor games, obedience training, and playdates with other dogs can keep them entertained and mentally stimulated when outdoor activities are limited.

Lifespan and Health Issues

Lifespan and Health Issues

Lifespan Expectancy

Cojacks have an average lifespan of 12 to 15 years when provided with proper care and nutrition. Regular veterinary check-ups, a balanced diet, exercise, and a loving environment all contribute to a longer, healthier life for your furry friend.

Common Health Issues

As with any mixed breed, Cojacks can inherit health issues from their parent breeds. Common health concerns for Cojacks include hip dysplasia, progressive retinal atrophy, allergies, and back problems. Routine vet visits, preventive measures, and early detection of symptoms can help manage these potential health issues effectively.

How to Keep Your Cojack Healthy

To keep your Cojack healthy, ensure they receive regular veterinary check-ups, vaccinations, and preventive treatments for parasites. Provide them with a balanced diet, exercise them regularly, and maintain proper grooming practices. Pay attention to their overall well-being, monitor for any changes in behavior or appetite, and address any health concerns promptly.

Suitability as a Pet

Cojacks' Suitability as a Pet

Family Pet

Cojacks make wonderful family pets, bringing joy and entertainment to households of all sizes. Their playful and friendly nature allows them to get along well with children and adults alike. However, it’s important to supervise interactions between dogs and young children to prevent accidental injuries.

First-Time Ownership

While Cojacks are intelligent and trainable, they may not be the best choice for first-time dog owners due to their high energy levels. They require an owner who can provide consistent training, ample exercise, and mental stimulation. However, with dedication and commitment, first-time owners can successfully raise and enjoy a Cojack as their furry companion.

Maintenance Level

Cojacks have a moderate maintenance level. They require regular grooming sessions, exercise, and mental stimulation to keep them happy and healthy. Additionally, their intelligence necessitates consistent training and socialization to prevent behavioral issues. Providing them with a nurturing and loving environment is essential for their overall well-being.

Finding a Cojack/Corki


If you decide to get a Cojack from a breeder, it’s important to do thorough research and choose a reputable breeder who prioritizes the health and well-being of the dogs. Look for breeders who provide proper care, regular vet check-ups, and socialization opportunities for their puppies.

Adoption Centers

Adoption centers can be a great option for finding a Cojack in need of a loving home. Contact local animal shelters and rescue organizations to inquire about Cojack or Corki mixes available for adoption. Adoption is a meaningful way to provide a forever home to a dog in need.

Rescue Organizations

Rescue organizations specializing in Jack Russell or Corgi mixes may occasionally have Cojacks available for adoption. Reach out to these organizations to express your interest in adopting a Cojack and be prepared to go through an adoption process, which may include a home visit and application.

By considering all the aspects of the Cojack or Corki mix, you will be well-equipped to decide if this delightful and energetic breed is the right fit for you and your family. Remember, with proper care, training, and love, your Cojack can become a loyal, affectionate, and cherished member of your household for many years to come.


How big do Cojacks get?

CoJack is a mid-sized dog. Typically, they have short legs with a long body. Their height is around 10-13 inches and 20-30 pounds in weight. They have a strong body structure and muscular body. Mostly, they look overweight because of their short legs.

Are Cojcks aggressive?

Sometimes they may be aggressive as the same as any dog. But, typically, Cojacks are calm and gentle dogs. And also, they are loyal to the owners and family. However, you need to train them well to maintain good behavior. Early socialization is recommended to avoid some destructive behaviors.

Are Corkis stubborn?

As we discussed earlier, mixed dogs carry good qualities and bad qualities from their parent breeds. We know that Jack Russell Terrier has a hunting heritage, and they are stubborn. Therefore, Jack Russell Corgi mix can create a stubborn dog even though the Corgi is a lap dog. They may be a little bit messy when they are not offered attention and affection as they expect. But, don’t worry! It is not a big deal. They are just little creatures that expect something to eat and lots of love.

Are Jack Russell Corgi mix guard dogs?

It depends. We know that Jack Russell is a good guard dog while Corgi is a pet dog. Therefore, Corgi and Jack Russell mix could create a dog with influencing both qualities. Usually, Cojacks have the same strength as Jacks. Therefore, they are not afraid of threats. You can expect from them attentiveness and continuous barking against threats.

How often should you wash a Jack Russell and Corgi Mix?

Cojacks may have a medium or short coat with high density. If the coat is short, you don’t need to wash him frequently. However, regular brushing is recommended. It is advisable to wash Cojacks with medium coats every two weeks. And also, brush them regularly. According to Corkie’s owners, they don’t have a strong doggy smell. It is a big plus if you consider raising a Cojack. 

How much exercise do Cojaks need?

Cojacks are energetic and active dogs. And also, there is a possibility of gaining lots of weight if they aren’t active enough. Therefore, it is essential to give them at least 30-40 minutes of regular exercise daily. As an experienced dog owner, I can say that if you make your dogs lazy, you will have to put massive effort into making them active again. Therefore, try to interact with their exercises constantly.

What are the common Health issues Cojacks have?

This mixed breed is relatively healthy without having any breed-specific health issues. However, they may have inherited common genetic issues from their parents. This may include hip and elbow dysplasia, supernumerary teeth, excessive trembling, and intervertebral disc diseases. There is also a possibility of having ear infections, unilateral deafness (partial deafness), and partial blindness.

As I mentioned earlier, they can lead to musculoskeletal issues such as dysplasia and patella luxation due to increasing body weight. Therefore, your proper care and maintenance is the crucial point of their health condition.

Do Corkies get along with other pets?

Yes, of course. They have a friendly attitude towards other pets and animals. Cojaks love to play with other pets. However, you need to train them well at their younger age to avoid some destructive behaviors. Otherwise, they could get messy around with other pets.

Are Jack Russell Terrier and Corgi mix good for families?

Yes, they are perfect family dogs. Typically, they are so gentle with kids. Cojaks love to spend their time playing and curling on the couch. They are so silent and obedient. So, I can say that Corkies are perfect family companions. 

How much do Cojack puppies cost?

Jack Corgi mix puppies’ cost could be 650$ to 750$ (550-650 Euros) depending on their health, color, and size. Therefore, negotiate with the breeder before you make a decision. Also, keep some extra bucks for initial expenses like tests, shots, deworming, chipping, carrier, collar, and leash. 

Read – How long do Jack Russell Terriers live?

How long do Jack Russell Corgi Mixes live?

Cojacks have got 12-15 years of average life expectancy. As we discussed earlier, they are relatively healthy hybrid dogs. However, your proper care and attention will give them a maximum lifetime. 


  • George Brown

    George B. is the founder of the JRO Organization. He believes in creating a better world for domestic animals. He believes domestic animals are more vulnerable than other animals, especially dogs, since they have been used to depending on their owners for generations. So, he started JRO to share his ideas and insights while helping vulnerable dogs worldwide. George runs multiple projects on street dogs in developing countries, especially Sri Lanka.

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