Dog Breeds > Jack Russell Terrier

Jack Russell Terrier

Jack Russell Terrier

Alternate NamesJack Russell
OriginGreat Britain
SectionSmall Size Terrier

Jack Russell Terrier Profile

Robust (Health)
Supports Loneliness
Need Exercise
Easy To Maintain
Easy to Train
Nice Child
Agreement with Animals
First Dog
Able to Guard

Physical Characteristics

The Jack Russell Terrier is a robust, active, agile working terrier with a strong personality. Its medium-length body is flexible and longer than high. Its eyes are small, slanted, and dark with a vivacious look. They should not be prominent and the eyelids should be adherent to the eyeballs. Its ears are either rosebud-shaped or drooping, but always very mobile with a fine texture. The tail can be drooping when resting, but must be straightened when in action. Shortening the tail isn’t compulsory, but when shortened, it should equal the height of the ears when straightened.

Fur: it can be smooth, rough or “wired”. It must be weather resistant.

Color: the white must be predominant, with black or tawny spots. The tawny spots can range from light to dark (chestnut color).

Size: 25 to 30 cm.

Weight: 5 to 6 kg.

Origins and History

The Jack Russell Terrier finds its origins in 19th century England, where the reverend John (Jack) Russell selected a breed that could run as fast as the Foxhound, but could also go underground to catch foxes and other game. He developed two breeds: one long-legged (the Parson Jack Russell) and the other short-legged (the Jack Russell), which was only recognized in 2001.

Character and Abilities

The Jack Russell Terrier is a typically lively, active, alert, and intelligent terrier. Bold and fearless, friendly but assertive, it is an extremely energetic, hyperactive dog with a strong need to spend its energy.

Living Conditions

The Jack Russell Terrier can live in either a house or an apartment. However, it must go outside many times a day to spend its excess energy. A calm family or elderly people are not suited to it.


The Jack Russell Terrier is a strong dog, but it can suffer from some hereditary diseases caused by inbreeding. It is important to choose carefully, as some subjects are predisposed to hyperactivity, which leads to difficult behavior.

Average life expectancy: about 14 years.

Information and Tips

It should absolutely not be aggressive. Dogs said to be “biters” are the result of poor selection due to the fact that the breed, only recently recognized, has become very fashionable.

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