Jack Russell Terrier

Category: Dogs & Cats

The Jack Russell Terrier is a small terrier breed that was originally bred for fox hunting. This little dog has a lot of energy. He hails from England and was bred in the early to mid-19th century.

Jack Russell Terrier

Jack Russell Terrier

Scientific & Common Names

The scientific name for this breed of dog is "Jack Russell Terrier - Canis lupus familiaris." The Jack Russell Terrier is typically called "Jack Russell." He is often confused with the Russell Terrier and the Parson Russell Terrier, but these are three very distinct breeds.


Standing 10 to 15 inches tall at the shoulder and weighing between 14 and 18 pounds when fully grown, the Jack Russell Terrier is classified as a small breed dog. He falls in the working dog classification. Jack Russell Terriers typically have short, smooth coats and many have a long beard.


There are many reputable Jack Russell Terrier breeders throughout the country. However, though a hardy breed, these dogs are prone to several birth defects and health problems. As a result, it is important to choose a breeder wisely if you go that route. Most local animal shelters and humane societies have Jack Russell Terriers looking for a forever home, so these places are great options if you choose to rescue a dog.


The Jack Russell Terrier, though small, is full of boundless energy. This dog can be wild if left unchecked. He likes to run and dig, so it's important to give him lots of exercise each day. A walk around the neighborhood or a rousing game of fetch is a must. You should also keep him on a leash or provide a sturdy fence around your yard to keep him contained. Jack Russell Terriers are very social and will happily visit the neighbors if let out of your sight.


The Jack Russell Terrier traces his roots back many centuries and is an offshoot of the Fox Terrier. The Jack Russell as we know it came from 19th century England, where the dog was bred for fox hunting.

Present Status

Jack Russell Terriers are very popular in the United States and do best with families or those with very active lifestyles and lots of attention to give to a pet. This dog typically has a life span of 13 to 16 years on average.