Weight. The average weight of a Jorkie will vary greatly. Their mom and dad are quite different size wise, so you can expect these mixed breed dog to weigh anywhere between 5 and 18 pounds. If the Yorkie is more influential in the mix or the puppy is a female, they’ll be smaller and vice versa. Temperament/Behavior. Jackaranian. The Jackaranian, a cross between the Jack Russell Terrier and Pomeranian, is a friendly and lively little dog that makes an excellent family pet. It has a compact body with well-balanced head, flat skull, almond-shaped eyes, black nose, prick ears, and a high-set tail. Though a bit strong-willed by nature, the Jackaranian will fill First, in the 21st century, these two breeds of Jack Russell Terriers and Miniature Pinschers were crossed, and the smaller version of JRT, the Teacup JRT, was created. This Miniature Pinscher breed originated in Germany during the 17th and 18th centuries. They are hunting dogs similar to Jack Russell Terriers. Jack Russell Terriers and Parson Russell Terriers are very similar dogs and only differ in size. The Parson is between 12 to 14 inches (30.5 to 36 cm) at the shoulders, within the range of JRT but more restrictive. If any dog can top the high energy level of a Fox Terrier, it might be a Jack Russell. If any dog can top the hard-as-nails hunting skills of a Border Terrier, it might be a Jack Russell. And if any dog can top the strong prey drive, determination, and intensity of a Jack Russell Terrier – well, that could only be another Jack Russell. Today, the Jack Russell Terrier is recognized by many kennel clubs worldwide as a popular breed with a strong personality and high energy level. The Chihuahua, on the other hand, is believed to have originated in Mexico, with evidence of similar dogs being kept by the ancient Toltecs and Aztecs. The breed is named after the state of Chihuahua The American Bulldog and Jack Russell mix is known as the American Bull-Jack. Thanks to their Bulldog parent, they are medium-sized dogs. A fully grown American Bull-Jack can weigh up to 45 pounds and have a height of 25 inches. Their origin dates back to the early 2000s when designer dogs started gaining popularity. The Puppia a harness made especially for a small dog like a Jack Russell terrier. The Puppia Soft Harness is made with polyester air-mesh for good breathability. It has an adjustable chest belt and a back ring for attaching a lead, and it comes in a wide range of colours. In all honesty, that’s about it. IwqYt.