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Jack Russell cross Chihuahua: everything you need to know

Jack Russell cross Chihuahua

The Jack Russell cross Chihuahua is energetic, intelligent and sociable.

© Shutterstock

If you are considering getting a new pup, then the Jackhuahua or Jack Chi could be the right choice. This mix breed dog, otherwise known as a designer dog, has many fantastic qualities.

By Dawn Parrish

Updated on the 08/02/2021, 13:30

What is a cross between a Jack Russell and a Chihuahua?

These two breeds are very different, and putting them together makes for a pooch calmer than the Jack Russell, but more active than the Chihuahua. Here's a summary of what you need to know about the parent breeds:

The Jack Russell Terrier

Originally a fox-hunting breed from the UK, Jack Russells are small dogs belonging to the Terrier group. Despite their size (10 to 15 inches at the shoulder, and weighing in at 13 to 17 pounds), they are high energy dogs, known for their speed and endurance. Strong-willed and fiercely independent, they are certainly not lap dogs! They need at least 1 hour of exercise every day to stay happy! Training is also extremely important for this breed, in order to avoid destructive behaviour in the home. They are very intelligent, but are free-thinkers, so they are best for experienced trainers. They are a healthy breed which comes in two coat varieties: the smooth and rough, both of which are easy to groom.

The smooth-coated Jack Russell Terrier ©Shutterstock

The Chihuahua

Originating from Mexico, Chihuahuas are one of the most popular lap dog breeds and it's no wonder why: from 6 to 9 inches in height and 3 to 6 pounds only in weight, these dogs love nothing more than spending time with their humans. If adopted into a family, Chihuahuas tend to do better with older children. They often bond very closely to one member of the family, and can become very protective of that person. It is therefore very important to train and socialise this dog from a very young age: they are not aware of their small size, and can put themselves in dangerous situations if they are not careful! They are not all-weather dogs, and even the long-haired varieties will need to wear a coat in colder weather.

The smooth-coated Chihuahua ©Shutterstock

Main information about the Jack Russell Chihuahua cross

Filled with boundless energy, requiring mental stimulation and plenty of exercise, the Jack Chi is also a bundle of fun. A very friendly dog, that will certainly enjoy lots of snuggles with its new owner. This is a new hybrid 'breed' and is a cross between a Jack Russell Terrier and a Chihuahua. Originating in the US around 40 years ago, this breed doesn’t have many historical data recorded. Despite its many incredible qualities and very cute appearance, there are several facts you need to take into account before you make your selection. Read on for further details relating to their temperament, health concerns and physical characteristics.

Cross breed name: What is a Jack Russell cross Chihuahua called?

The Jack Chi is a cross between a purebred Chihuahua and Jack Russell Terrier. It is also known as a Jackhuahua.

Physical characteristics : What does a Jack Russell cross Chihuahua look like?

The physical appearance of the Jack Chi dog is having a Jack Russell’s triangular head, long muscular body, and a short neck as well as the rounded eyes of the Chihuahua. Ears can be floppy and folded similar to a Jack Russell's, or erect and pointed like the Chihuahua's. The snout is long, and slightly thinner than that of a Jack Russell's. The hindquarters are muscular and strong, the legs are short and the long tail is usually curled. Colouring takes after the Jack Russell side of the mix with white, brown and black being the predominant colours.

Height Size: 14 - 15 inches
Weight: 8 – 18 lbs
Life Expectancy: 13-18 years

Jack Russell cross Chihuahua puppies 

If you wish to get a Jack Russell cross Chihuahua puppy be prepared to have a ball of energy in your hands. Make sure to start training and socialisation early. Puppies have a lot of energy and will love to learn new things and please their owner. Be patient, spend as much time as possible with your puppy and you will have a loving, loyal and happy new best friend.

The Jack Russell cross Chihuahua: Temperament

Sweet-tempered and very lively, Jack Chi puppies need an abundance of daily exercise. The Jack Russell terrier character shows through as always wanting to be the leader. This results in them being rather headstrong and more difficult to train. These dogs are known to be chewers, so ensure that your pup has a good supply of chewable toys, if you don’t want to end up with damaged furniture or shoes. They are very sociable dogs that get on well with children and other pets. Friendly and calm, they love lots of attention and cuddles. Just like the Chihuahua, they can be quite nervous and at other times rather hyperactive.

Are Jack Chis aggressive?

The Jack Chi is energetic, intelligent and sociable. They do love to play with other dogs and children, however, if the playtime gets rough or their tail and ears are pulled they can get a little bit snappy but won't be aggressive. If you socialise your Jack Russell cross Chihuahua early they will get on fine with other animals. Of course, because it is a mixed breed, you can never be certain what personality trait your Jack Chi will inherit from its parents, and this can play a part on how the dog interacts with other pets.

The Jack Russell Chihuahua cross: Activity level

These active little dogs appreciate lots of exercise. They will often follow their noses and chase after birds or balls. They have inbuilt preying instincts and certainly love running around for hours off the lead. The Jack Chi isn’t very tolerant of cold weather, preferring to snuggle up inside with a blanket.

The Jack Chi: Sociability

Like their parents, the Chihuahua and the Jack Russell Terrier, Jack Chis are very sweet tempered dogs. They mix well with other pets, and bond well with children and family members.


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The Jack Russell Chihuahua cross: Grooming

This short-haired dog doesn’t require intense maintenance and grooming. A weekly brush should suffice to keep shedding at a minimum. Only bathe them when absolutely necessary, in order to maintain the natural oils in the fur. Wipe the dog’s ears once weekly to keep them clean, and brush teeth daily.

The Chihuahua Jack Russell mix: Nutrition

These dogs are sometimes fussy, picky eaters but in the main, happy to eat whatever you feed them. Take care not to overfeed them, as they seem like guzzlers and don’t know when to stop eating.

The Jack Chi: Health

This is quite a hardy breed of dog although it is prone to similar health problems to their parents. Above all, there is a possibility of sensitive skin, especially when it comes to reactions to insect bites and fleas. Some Jack Russell Chihuahua dogs present as having several allergies, especially to fresh cut grass and soy. Jack Russells are noted for several eye diseases, like glaucoma, and also ear infections and deafness.  Deafness in some cases can be inherited from the parent dog.

How long do Chihuahuas cross Jack Russell live?

Both the Chihuahua and the Jack Russell live a long time. A Chihuahua's lifespan is approximately 14 to 16 years and a Jack Russell's lifespan is between 13 to 16 years old. Concerning the lifespan of the Jack Russell cross Chihuahua, it tends to be within the average of each parent breed. Therefore, the Jack Chi's lifespan will approximately be between 13 to 15 years old.

The Jack Russell Chihuahua cross is one of the best breeds to own. Not only are they fiercely loyal and friendly, but they love to play for hours at a time. It makes for a fantastic companion and family member!

Read on to find more information about these mixed breeds: