Jack Russell Terrier vs American Cocker Spaniel - Breed Comparison

The popular Jack Russell Terrier was developed in Devonshire in the south of England in the late 1800's so as to hunt foxes.

Often believed to be the Parson Russell Terrier, the Jack Russell Terrier was developed by Parson John Russell. This is where the dog gets his breed name from. Some people get the Jack Russell Terrier a little bit mixed up with the Parson Russell terrier, when it fact its actually a different breed, but sharing a common ancestry.

The Jack Russell Terrier is smaller than the Parson and bigger than the Russell Terrier. The breed became known in the U.S. by the 1930s and the Jack Russell Terrier Association of America wanted recognition by the American Kennel Club, which was granted in 2000.

Descended from the English Cocker Spaniel when the latter were brought to the United States in the late 1800s. American hunters wanted a smaller dog for bird hunting, so they crossed them with smaller spaniel breeds. The English and the American Cockers were considered the same breed until 1935 when the American Kennel Club officially separated them into 2 distinct breeds. After this the American Cocker’s popularity increased dramatically. To this day they are one of the most popular breeds in the U.S. Recently their popularity has spread back to England. The American Cocker Spaniel has evolved from a hunting dog life to a very popular family pet.

The Jack Russell Terrier is a small dog that weighs between 6 and 8kg and stands at between 25 – 38cm. The body length of the dog should be in proportion to the height.

He is essentially a white dog with orange or fawn colored patches. The coat is mostly smooth and short, but the coat can also be longer and rough or it can be broken which is a combination of rough and smooth. Regardless of coat type, they are dense, double coats which will require brushing at least twice a week to remove loose hairs. He may also be tri-colored such as being white with black and tan patches.

He has alert, bright dark brown eyes and ears which are somewhat erect and which flop over at the tips. The tail has always been traditionally docked, giving him an attractive, compact look about him but unfortunately the tail is often left long on the dog these days.

Temperament:

Your Jack Russell Terrier is a lively, tenacious, bold, fearless, feisty, cheeky, confident, independent, intelligent and full of life dog. He is super energetic and exuberant, spirited and full of personality.

There are some dog owners who are exhausted by him and would prefer a more quieter dog breed as their companion. Nonetheless he has some excellent characteristics such as being a totally devoted and loving dog.

It is why it is a good idea to have him trained and socialized as it calms him down and makes him more obedient. He is very intelligent and training him will be easy.

The American Cocker spaniel is a sturdy dog of medium size. The have a rounded head with a broad and deep muzzle. The jaw is even and square while the teeth have a scissors bite. The American Cocker has round eyes that are almost always dark with the exception of the Merle who can have blue colored eyes. They have long ears and a docked tail in the U.S. Docking is illegal in most of Europe. The American Cocker bred for field hunts have shorter coats than those bred for show. Grooming is essential for this longhaired breed. It is especially important for the eyes and ears to be kept clean.

With loads of vibrant personality, the energetic Jack Russell Terrier has got so many wonderful characteristics to his name – devotion, intelligence, charming, lively, playful and he is an entertainer – you’ll always be laughing a him.

You do need to pay him attention – you can’t just plonk him in your backyard and forget about him. He wants your love and attention and ignoring him can lead to problem behavior such as obsessive barking.

Give your Jack Russell Terrier all the love and care he needs, and you’ll have an exceptional pet and friend.

Favored Qualities

This is a gentle, happy dog. They are high energy, high spirited, friendly dogs who like people and other animals alike. They are happy to be with you and want to please you. He can find a home in the country and in the city alike. He is inquisitive and easy to train.

Potential Difficulties

But be warned they can be stubborn and hard to housebreak. They can be shy and need a lot of socialization as a pup. They can take over a household if you are not the strong pack leader they need. They have a tendency to urinate when excited and must live inside with the family. They are far too social to be left outside. An unhappy, unstable cocker can be into resource guarding of things, spaces and people. They can bark obsessively or be hyperactive. They must have a loving home with the family.

This particular dog breed has a reputation for being healthy and living to a good age such as 16 or 17 years of age. Of course he needs to be given proper care to reach such a good age.

Some common dog disorders you might want to be aware of are -

Eye disorders:

Lens luxation is actually a common hereditary disorder in these dogs, but even so, with good care, your dog isn’t likely to battle with it. What happens is that the lens in the eye becomes displaced. There are two types, with Posterior luxation being the lesser severe one.Treatment is available.

Musculoskeletal conditions:

Patellar luxation is an hereditary disorder affecting the knees of the dog. The kneecap slips off the groove where it sits and you may notice your dog running while holding his hind leg in the air. It can sometimes slip back in place and then you see your dog running in his usual way. It becomes more serious when it affects both legs.

Perhaps the least of the American Cocker Spaniel’s health concerns are the tendency to overeat and become obese. The more serious concerns include glaucoma, cataracts, dysplasia, allergies, Cherry eye, lip fold pyoderma, liver disease, cardiomyopathy, and congestive heart failure (CHF).

IMHA

The most serious health issue the breed faces is IMHA or Immune Mediated Hemolytic Anemia which can be deadly. In fact, it is almost always fatal and comes on quickly. With this condition the dog can bleed out internally and there is little that veterinary medicine can do.

Exercise:

The Jack Russell Terrier isn’t just a small dog that can be left to his own devices. He will need proper training and socialization early in life to make him obedient and better to get on with.

He may be a small dog, but he certainly won’t do in the city where he is cooped up in a place with a handkerchief of a garden. He needs lots of space to run and play. He wants his human family to join in with walks, hikes, ball games and swimming.

Diet:

You can buy excellent commercially manufactured dog food which caters for energetic small dog breeds like the Jack Russell Terrier.

Once you have selected the best one for your pet, with dry kibble being better in terms of dental health - you can also add in some brown rice, vegetables and cooked chicken. This is highly beneficial to all dog breeds. A little bit of raw meat can sometimes be added in too.

The bottom line is to to prevent your pet from eating foods high in preservatives, additives and fillers. Never leave your pet without a constant supply of fresh, cool water.

Feeding puppies and adults

The American Cocker Spaniel breed requires attention to detail and making sure your puppy gets enough and your adult doesn’t get too much. Feed the pups twice a day until they reach the age of 4 months and then cut them back to the adult dose of once a day at supper time. Feed from a cup to a cup and a half.

Health Issues

not previously mentioned include Ectropion and Entropion, Prolapse of the nicititans gland, gastric torsion and elbow dysplasia. Have your puppy tested for eye diseases and any issues with the knee and hip. These are social dogs and will not do well alone outside. They need to live inside.

Exercise and games

The American Cockers love to play and need a lot of exercise. Nice long walks, games of fetch or even agility will keep your Cocker happy. have plenty of stamina and need regular exercise. They also enjoy a good hunt.