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Jack Russell Terriers can barely contain their energy in their small bodies. They’re feisty pups with a penchant for digging, barking, and hunting, but they’ll promise to behave for some belly rubs. Jack Russells may not be calm or easy to care for, but they’re sure to keep their families safe and on their toes. Full-grown, they typically weigh 13-17 pounds and stand 13-14 inches tall.

Jack Russell Terriers are generally okay with older children who know how to handle dogs. Because of their high energy, these dogs are happiest in homes with large yards where they can run and exercise. Jack Russells prefer to be inside most of the time, where they can be around people and alert the family to approaching strangers. They're moderate barkers — they'll alert you when something's up but aren't excessive.

Jack Russell Terriers have an unmatched energy and need plenty of exercise to burn it off. If your pup gets obnoxious or destructive in your home, chances are they aren’t getting enough activity. These pups love to run around and play with you and other dogs. Overall, their exercise needs are very high.

Jack Russell Terriers come in three varieties, each with different grooming and care requirements. Smooth-haired Jack Russells have a full coat of smooth, thick fur that covers their entire bodies. On the other hand, rough-haired Jack Russells have a typical double-layered terrier coat. Grooming-wise, this breed is low-maintenance.

Jack Russell Terriers are best suited for apartments and smaller homes. Because of their high energy, these dogs are happiest in homes with large yards where they can run and exercise. Jack Russells prefer to be inside most of the time, where they can be around people and alert the family to approaching strangers. They are fairly easy to train.

Unlike their larger cousins, the Toy Fox Terrier has a slightly calmer temperament and is better behaved. They are very intelligent, making training fairly simple. Full-grown, they typically weigh 4-9 pounds and stand 8-11 inches tall.

Toy Fox Terriers are generally okay with older children who know how to handle dogs. They are very energetic and like to be the center of attention every now and then.This dog does not do well as a strictly outdoor dog and should be given a sweater in cold weather. They're fairly vocal dogs that bark regularly.

This high-energy breed does require some exercise, but their needs can be easily met by running around the house or taking occasion walks. They will bark or dig if they don’t get enough exercise or attention, acting like the spoiled bratty child. They love to play games with their owners and love to play with toys. Overall, their exercise needs are high.

This breed has a short, glossy, smooth coat, which comes in a mix of colors: chocolate, tan, and white. The coats does require some occasional brushing and bating, and be sure to brush out their coats with a small soft brush to keep the dead hairs away. Grooming-wise, this breed is low-maintenance.

Toy Fox Terriers are best suited for apartments and smaller homes. The Toy Fox Terrier is well suited to apartment life because of their small size. They are very energetic and like to be the center of attention every now and then.This dog does not do well as a strictly outdoor dog and should be given a sweater in cold weather. They are highly trainable and eager to learn.