S'more--Courtesy Post Jack Russell Terrier Salem, OR

S'more is active, strong and willful. She greets all unknown situations with great caution, some defensiveness and quite a lot of barking. Will make a good guard dog. She will take a couple days to warm up to new people and other dogs but definately does so. She can be affectionate but not a cuddle bug. Does not like to sleep in a bed for her or for you but has a great appreciation for the couch. S'more uses the dog door and is house-broken. She will need regular exercise. A JRT is not a good idea for a first-time pet owner. They are active, smart, and need a job. We suggest no small children or toddlers. She will be 5 years old in March.
More about JRT's:

The Jack Russell Terrier, considered distinct from the Russell Terrier and the Parson Russell Terrier, is a lively and independent terrier breed developed around 200 years ago to hunt foxes in South England. While they are charming and affectionate, they’re also a handful to train and manage and may be best suited for experienced dog parents.

At first, this small and playful dog may seem like a good choice for new pet parents and apartment dwellers. However, you may find yourself surprised at this little pup’s energy and intensity. Jack Russell Terriers need plenty of exercise and firm, consistent training, or they may act out with unwanted behaviors such as digging, excessive barking, and chewing. That said, if you know how to handle a bit of rowdiness and can keep up with an energetic pup, they’ll reward you with a loving and loyal friend for life. Jack Russell Terriers are fiercely loyal to their families and make great companions for active pet parents. Their intelligence and trainability also make the Jack Russell Terrier good candidates for obedience and agility training.

The Jack Russell Terrier, also called the Parson Russell Terrier, was developed in England 200 years ago to hunt foxes in south England. Parson John Russell, “Jack” to his friends, wanted an efficient hunting dog and decided to design exactly the dog he had in mind. The result was a bold, athletic dog who won hearts with his quickness, intelligence, determination, and intense desire to hunt.

Today, Jack Russell Terriers are favorites among horse owners, dog sports enthusiasts, animal trainers for film and television, and people who simply appreciate their fearless personality, boundless energy, entertaining antics, and portable size.

However, before you get a Jack Russell Terrier, it is important to know that they are not for everyone. They can be a handful to train and manage, requiring much attention, exercise, and supervision.

If you are not an experienced dog owner or are not prepared to put in the time and effort required to raise a Jack Russell Terrier, then this breed is not for you.\
Jack Russell Terriers are energetic dogs that enjoy digging and playing. They need a securely fenced yard to burn off their energy. Underground electronic fencing will not hold them, and they have been known to climb trees and chain link fencing to escape.

First-time or timid dog owners should choose another breed. Jack Russell Terriers can be a challenge even for experienced dog owners. They are strong-willed and require firm and consistent training.

Jacks can be recreational barkers, so they are not suited to apartment life. They can also be aggressive toward other dogs if they are not taught to get along with them from an early age.

Jack Russell Terriers thrive when they are with their families and should not live outdoors or in a kennel. When you leave the house, try turning on a radio to help prevent separation anxiety.

Jacks are bouncy and will jump up on people and things. They are capable of jumping higher than 5 feet.

Jack Russells have a strong prey drive and will take off after smaller animals. They should never be trusted off-leash unless they are in a fenced area.

Jack Russell Terriers have a high energy level and are active indoors and out. They need several walks per day or several good games in the yard. They make excellent jogging companions.