They excel at agility sports and have much more energy than many people expect. Jack Russell Terriers are sturdy and tough dogs that love to work and be active. Dogs shorter than this are called “Shorty Jacks,” which look more like very small Corgis or Dachshunds. Jack Russell Terriers stop growing by about 10 to 12 months of age and usually reach 10 to 15 inches in height. Here’s how big you can expect your Jack Russell Terrier to get. There are only small differences between the sizes of male and female Jack Russell Terriers. However, some of these dogs can weigh a bit more than that, especially if they aren’t exercised frequently. Perhaps the most important thing to know about Jack Russell Terriers is that they have a lot of energy and need plenty of time for exercise and play every day.įully grown Jack Russell Terriers are typically between 10 and 18 pounds. Yet they are fairly adaptable dogs with minimal grooming needs and high trainability. But today, they are primarily known for being clever, charming, and can be a handful to take care of because of their sense of independence and insatiable desire to run, dig, and hunt. These dogs were developed a couple hundred years ago to hunt foxes. They are an inquisitive breed with lots of personality, but they are not a good fit for everyone. Jack Russell Terriers are lively and friendly dogs that are small in size. Reviewed for accuracy on Augby Jennifer Coates, DVM Introduction to Jack Russell Terriers Pet Insurance for Jack Russell Terriers.Where to Adopt or Purchase Jack Russell Terriers.Diet and Nutrition for Jack Russell Terriers.Common Health Problems of Jack Russell Terriers.Jack Russell Terrier Standard Information.Characteristics of Jack Russell Terriers.

Jack russell