Multigenerational crossbreeding of designer dogs is not always a good idea- in some. Long-coated Jack Russell Terriers are slightly longer than they are tall at 18 to 22 inches. A Jack Russell Terrier puppy is likely to cost between $500-$1,500 with the average price being $1,000. The Jack Russell Terrier is a small, agile, active hunting terrier, built to go to ground. The Jack Russell Terrier and the Russell Terrier are the same breed, but are entirely a separate breed from the Parson Russell Terrier. Despite their small size, Jack Russells are energetic dogs who need at least an hour’s exercise every day. However, this dog usually inherits the smarts and loyalty of the Miniature Poodle along. Jack Russell Terrier and Parson Russell Terrier Behavior Differences. Quick Cost Chart Of Adopting A Jack RussellThe Jack Russell Beagle mix, or Jack-A-Bee, is a cross between two of the world’s most popular breeds – the Jack Russell Terrier and the Beagle. The female Jack Russell Terrier carries the pregnancy because they can deliver the bigger offspring. They all require at least 30 to 60 minutes of exercise daily. Hunters need a completely white dog to avoid accidentally shooting their dog during the chaos of a fox hunt. Jack Russells are white with black or tan markings. Jug Dog (Jack Russell Terrier X Pug) It is an adorable mix that displays devotion towards its people and can coexist with kids and other pets when socialized. As stated at the beginning of this post, a Jack Russell Terrier is a dog born to hunt and has the prey drive to get the job done. This breed has a flat skull, narrow, almond-shaped eyes that are dark in color, and a black nose. Jack Russells are loving dogs who enjoy being with their owner, but sadly like most purebred dogs they can be prone to certain health conditions. 12. The Jack Russell is a spirited and small domesticated dog that belongs to a terrier family. The Jack Russell Terrier is a small-sized terrier developed in southern England during the mid-1800s for hunting purposes. Since these dogs' lifespan is 10-15 years, a senior Jack Russell Terrier is one eight years old or more. The Jack Russell is a baying terrier,. Smooth-coated Russells need only a weekly rubdown with a soft brush or hound glove. Find Jack Russell Terrier puppies for sale. Both the Jack Russell Terrier and Patterdale Terrier are very similar in looks and appearance. They are loyal, loving, and a bit mischievous. The Breed is named after Reverend John “Jack” Russell. 1. The Jack Russell Terrier breed was founded in the mid-1800’s in Devonshire, England by a clergyman named Parson John (Jack) Russell. Measure the circumference of the snout. This breed was solely developed by a man named John Russell – a reverend from Devon England. The Russell Terrier stands between 10 in (25 cm) to 12 in (30 cm) in height. All Jack Russells come from one dog, and one man. 3. These adorable little munchkins are looking for. Jack Russell Terriers and Parson Terriers have the same heritage – bred in England by Reverend John Russell (called “Jack” by his friends) for fox hunting in the mid-1800s. . An Aussie Jack puppy would typically be larger than a Jack Russell Terrier but smaller than an Australian. The distance is the circumference. In the United States, Jack Russell Terriers became especially popular, and. Weight loss. Fun Facts. The Jack Chi is adorable, friendly, affectionate, and energetic mixed-breed dog that comes in a small package, with a big attitude and a bigger heart. A Jack Russell’s life expectancy is 13-16 years, while a Parson Russell can live up to 15 years. A Jack Russell Terrier puppy is likely to cost between $500-$1,500 with the average price being $1,000. 10 cm) The Look of a Jack Russell Terrier. He is credited for developing the Parson Russell terrier during the mid-1800s; the breed took up his name. The Jack-A-Ranian is a fairly recent creation. Are Jack Russells Aggressive? July. Adopt Jack Russell Dogs in North Carolina. The key is to create and teach boundaries to everybody involved. These pups have busy minds with heaps of energy, so they will need lots of attention. However, some researchers have guessed that Jack Russell Pug Mix’s origin could have happened in the 1960 – the 1970s somewhere in the USA. 15. The Foxy Russell is described as a loving, hyperactive, and curious explorer who loves to dig holes and lead the way. The Jack Russell Terrier is a cheerful, merry, devoted and loving dog. We are delighted to introduce 4 stunning miniature Jack Russel puppies into the world! 2boys and 2girls Both parents (Scrappy and Bella) are also Miniature Jack Russells. The Jack Russell Terrier is a very active, well muscled small dog. Compact, muscular and very energetic, Jack Russells are known as the small dog with the big attitude. The coat can be smooth or rough. This hybrid is being purposely bred. Jack Russell Terriers were bred specifically for hunting since the mid 19th century. Nose. The miniature Jack Russell is clearly capped at a smaller weight and is typically 5 inches shorter than a standard Jack Russell Terrier due to the shorter legs. While they are affectionate most of the time, the breed could be difficult to manage and train. That’s the quick and easy. The Jack Russell Terrier is a small dog that weighs between 6 and 8kg and stands at between 25 – 38cm. His weatherproof coat may be broken or smooth; his small, flexible chest helps him pursue underground quarry; and his long legs help him trail fast-running game. Jack Russell Terrier temperament, personality, training, behavior, pros and cons, advice, and information, by Michele Welton, Dog Trainer, Behavioral Consultant, Author of 15. We are located in Wagga Wagga NSW and welcome any enquiries about our dogs. The average lifespan of Chihuahua: 16 years. Create and enforce rules and boundaries. The JRTCA is the National Breed Club and Registry for the. An adult Beagle mix Jack Russell Terrier would need 1. Facts and data . Owner Experience - The Chihuahua is an excellent choice for new/inexperienced owners. According to breed standard, the Jack Russell's head should be of medium width at the ear, narrow slightly at the eyes, and flare out again at the muzzle. It is muscular, compact and energetic. He is a confident dog and faces any new situation head on. A sporty breed with a curious personality, the Jack Russell terrier, won’t hesitate to trot right into your heart. These dogs stand only about a foot tall but pack plenty of personality and adventure into their compact, muscular bodies. Jack Russell terriers usually weigh between 13 and 17 pounds. The Parson Russell Terrier, also called the Jack Russell Terrier or Parson Jack Russell Terrier, was originally developed in England during the mid-1800s to assist hounds in fox hunting. The breed Jack Chi has been produced by crossing between the Jack Russell Terrier and the Chihuahua. Exercise. First-year expenses are around $3,585 and will be about $985/year (or $82/month) after that. The Jack Russell Terrier has a strong rectangular frame. The best way to determine the temperament of a mixed breed is to look up all breeds in the cross and know you can get any combination of any of the characteristics found in either breed. If you were to describe the Toy Foxy Russell in just three words, it would be a little pocket rocket. A mix between a Jack Russell Terrier and a Maltese, the Jacktese is a friendly, energetic breed that makes a great companion for active people. The other parent could affect this, so you do want to ask the breeder about them and note which breed is the mother. The Jack Russell terrier is a muscular-bodied small-sized dog; they are white with black or tan markings and have small V-shaped ears. K. JRTCA show dogs are classified into one. This is one main difference between the Parson Russell Terrier and Russell Terrier. co. " "Benedict, Florence and Nooner, Jug puppies at 8 weeks old—their parents are both Jugs. 4 (12 votes) First found in the mid-1800s, the Jack Russell was named after Reverend John Russell, who used the breed for small game hunting. They look alike and share a common origin but are three different breeds of dogs. The keen, intelligent Russell Terrier thrives on being outdoors and needs plenty. Coat. They can excel at agility and advanced obedience training, and make pretty. Jack Russell’s are one of the smartest small dog breeds in the world. The Jack Russell Terrier is a fantastic family dog and great with children over three years of age. Jack Russell Terrier has a long history with many stories. Jack Russell Terrier, dog breed developed in England in the 19th century for hunting foxes both above and below ground. Jack Russell Terriers are energetic and adorable dogs with a few special requirements when it comes to raising them. So if you’re considering taking one home, firstly make sure this lively breed is suited to your lifestyle. There’s lots of doggy behaviour that comes naturally to all breeds of dog, including Jack Russells, from digging and chasing to searching and retrieving. The Jug is a hybrid dog obtained from crossing a Pug with a Jack Russell Terrier. Short-legged Jack Russells are a sub-breed of Jack Russell Terriers. "Jack Russell Terriers have origins in the working terriers from Britain but were actually developed in Australia by British immigrants who brought dogs along to help control vermin population in their new. Parson Russell Terriers are bred to be show dogs, while Jack Russell Terriers meet a working standard. The rest of this brief post will detail what factors impact how big a Jack Russell Terrier. Temperament. Purebred dogs will always have some white in varying amounts, while some. They have white-colored coats with black or pale brown patches. Both breeds were developed in England for fox hunting. Jack Russell Chihuahua Mix lifespan Thanks to the Jack Russell, this designer mix has a long lifespan of approximately 13 to 15 years. British dogs with a spunky attitude and flair for the hunt, Jack Russell Terriers are some of the most athletic and energetic dogs around. Phone : 0275262800. You don't want a naughty Jack. How many seasons did Jack Russell play? Jack Russell. In 1976, the Jack Russell Terrier Club of America was formed, finally restricting the breeding lines into what we know today. The Chihuahua Jack Mix Russell Terrier could be anywhere from 8 to 18. This small terrier breed tends to have a big personality. The Parson works with the hounds. The British Kennel Club. Last Updated : 4-Nov-2023. This terrier type dog rather unusually has two pedigree versions, the Jack Russell Terrier and the Parson Russell Terrier – but the dog that most people recognise as a Jack Russell (the short-legged, slightly barrel-shaped feisty little terrier that is one of the UK’s most popular breeds) isn’t a recognised breed at all! These terrier are typically between 10”. This little dog is clever, independent, lively, and charming. . The JRTCA is the National Breed Club and Registry for the. Both Jack Russells and Pitbulls are known to engage in aggressive behavior. The Jack Chi is a mixed breed dog — a cross between the Jack Russell Terrier and Chihuahua dog breeds. As a matter of fact, most working dogs tend to have a double coats. Now, if not engaged daily with enough toys and leashed. Lifespan. Independent problem solvers. Below is an estimate of the height and weight of the Pug crossed with Jack Russell as. Jack Russell puppies should receive around 800 to 900 calories to take account of their growth and energy needs. These dogs typically weigh between 25 to 40 pounds and stand about 15 to 18 inches tall. Take the tape, place it 1 inch below the eye and wrap it around. Although all three breeds look similar and are related, they are fundamentally quite different. 4 to 38. Friendly, intelligent, energetic, stubborn, and loyal. The breed was eventually brought to the United States sometime in the 1930s. DOB: 08/08/2023 - BIN 0012456832019. They love to have a job to do and require a lot of physical activity. Jack Russell Terriers, on average, will range from 10-15 inches tall at the shoulder and weigh between 13-17 pounds when fully grown. Its friendly and intelligent nature makes it a great companion or outdoor dog for singles, couples, or families. This breed sports a distinctive white coat featuring splotches in brown. November 14, 2023 at 8:22 p. The Jack Russell Terrier is smaller than the Parson and bigger than the Russell Terrier. Yes, Jack Russell Terriers make good family pets. These small dogs are popular with children and grown ups alike. By the 1930s, Jack Russell Terriers became one of the most popular dogs for hunting. They are loving, caring, and devoted dogs and they can be a perfect fit for. Breed Overview. Friendly, playful, and energetic, these pups inherited some of the best qualities. Although Poodles and Jack Russells look very different, their ancestors are both hard working, hunting breeds. . The Jack Russell ©Sundays Photography - Shutterstock. Jack Russell Terriers are hunting dogs by nature, so they enjoy running and chasing. Jack Russell Terrier. Height. Mr. You likely think that this contradicts other stories you have read online. 2. Height. Friendly toward strangers. Email : Display Email. Así mismo, es inteligente, muy fiel y valiente a pesar de su reducido tamaño. It was named for the Rev. In another way, the two breeds are roughly comparable in size. Jack Russell’s, due to being smaller are less capable of sustaining speeds of 25 mph like some larger fast dog breeds. The coat can be smooth or rough and is mostly white with brown or black markings. The Jack Tzu is a tiny, muscular little dog resulting from a cross between the Jack Russell Terrier and the Shih Tzu. The average lifespan for a Jack Russell is between 13-16 years. Jackapoo dogs are a designer breed, mixing the Jack Russell Terrier and Toy or Miniature Poodle. Try to split feeding time into 2 or 3 meals to ease digestion and keep energy levels consistent. But. The JRT , the Parson Russell, and the Russell Terrier were all named after the same man – the Reverend John “Jack” Russell. The hybrid was developed in the United States within the last few decades primarily for the. Breed Overview. Jack Russells are a dog breed that you need to prepare for in advance to ensure you have all your ducks in a row. Both breeds were developed in England for fox hunting. This breed is not recommended for non-experienced dog owners, for their unwanted. You can consider a Puli for Jack Russell Terrier. ” The Jack Russell Terrier originated in England in the 1800s, where they were bred for fox hunting. 1. Parson Russell Terriers feature smooth or broken coat. Those patches can be black, chestnut, lemon, tan, brown, or cream. Full of fun, energy, and a zest for life, this guy will bring sunshine into your family home. This test panel is useful to breeders who wish to track and increase. Jack Russell Chihuahua Mix Appearance. Jack Russells are an energetic breed that rely on a high level of exercise and stimulation. Originally, the Jack Russell was kept as a hunting dog, way back in the 19th century. Their ears either erect like that of the Chihuahua, or with a curl-over like the terrier parent. 5 to 2 cups of well-balanced and nutritious dog food daily divided into two meals. The Yorkie Russell is a short, light dog usually standing under 15 inches tall and under 20 pounds of total weight. Reverend Parson John Russell was an avid fox hunter who loved breeding hunting dogs in England. Russells were bred to be able to go to ground and chase burrowing game, so their bodies are squarish in shape and compact. The Jack Russell ©Shutterstock. A bit of Jack Tzu information regarding behavior and intelligence: these dogs are affectionate, playful, and alert, but will usually inherit some of their Shih Tzu. Needs a lot of interaction. The Jack Russell Terrier is a small, curious dog originally bred to hunt foxes. Lamb had 11 catches for 151 yards with a touchdown catch and added a rushing TD in the Cowboys' 48-17 win over the Giants. The Jack Russell Terrier is smaller than the Parson and bigger than the Russell Terrier. Jack Russell Terrier. Its ears can be variable – some. They have white-colored coats with black or pale brown patches. Still, the typical height of a Jack Russell Terrier at the shoulder is 10 to 15 inches, and. See moreThe Jack Russell terrier is a true working terrier. There's debate over raw or wet food versus dry, but most veterinarians and breeders agree that protein is key. All these crossbreeds are highly energetic and will do poorly if they are forced to live a. 10 to 15 years. All Jack Russell Terriers are proportionally longer than they are tall. The Jack Russell Terrier is strong and sinewy with long flat muscles in hard condition. The Jug dog has been created by crossing the Jack Russell Terrier and a Pug. Below are a few quick comparisons between the two breeds. Pedersen and staff, has developed a panel of short tandem repeat (STR) markers that will determine genetic diversity across the genome and in the Dog Leukocyte Antigen (DLA) class I and II regions. For this reason, Jack Russell’s do need consistent training,. Many hunters, flyball enthusiasts, professional trainers, movie producers, and those who love small dogs favor the JRT. Learn more. Jack Russells if trained and handled correctly, grow close bonds with all family members. They’re always eager to learn new tricks — so much so that one might even call them the “Houdinis” of the canine world. Jack Russells will have an inner coat that actually acts as an insulator – similar to that of wool. 4. Ideally the Jack Russell stands between 25-30cm (10-12″) in height, a bit taller than a Maltese, and is slightly longer than it is tall. As a result, this is a high energy dog and requires adequate exercise and stimulation . In 1819, an Englishman named Reverend John “Jack” Russell was responsible for the breed and sought to create a foxhunting terrier. 15 of 23. 80 – 8. The Jack Russell is often confused with two other recognized breeds, the Parson and the Russell terriers. Jack Russells are now used as companion dogs and for vermin control. As a small-sized breed, Jack Russell Terrier puppy development stages typically span 15-17 months from birth to full maturity. This is known to be an independent breed, so it is recommended that you should be an experienced dog owner. The Jack Russell Terrier is an exception to that rule. Weight-wise the Jack Russell Terrier is also the heaviest, at up to 18 lbs. The Blue Heeler is a compact, sturdy dog. His coat can be smooth, broken or rough. He was quite the sporting man, and he had. The Jack Russell Terrier is a small, curious dog originally bred to hunt foxes. These qualities make the personality of a Jack Russell Terrier favorable. Jackapoo puppies are intelligent, active and loyal. He is super energetic and exuberant, spirited and full of personality. The Jack Rat Terrier has been developed by crossing the Jack Russell (English breed) and the Rat Terrier that is of American origin. In 1795, he bred the first Jack Russel Terriers through selectively crossing various. However, The Jack Russell Terrier Club of America standard calls for dogs to be from 10 to 15 inches in height, whereas the AKC standard calls for a smaller range of 12 to 14 inches. Space. The Breed was formally recognised by The Kennel Club in 1990 as the Parson Jack Russell Terrier. You will often hear the words vivacious and live wire associated with this breed. The Jack Russell Terrier is okay for new owners, but may not be as easy as the Chihuahua. 10. Jack Russell dogs are also known to be very independent, a strong trait heavily exhibited in the Jack Chi and one that can bring problems if not controlled. The smoother coats require minimal maintenance, while a little more (not a lot) grooming is necessary for the broken and rough coats. Children should be taught not to tease or hit the dog. This cross or hybrid isn’t that widespread, so the odds of you bumping into one on your morning walk is unlikely, but nevertheless, the mix is intriguing. . Jack Tzu is a designer dog breed with purebred parentage. Like many other breeders, House Of Jacks requires that you sign a spay or neuter agreement. Temperament. There are two main offshoots, one with a smaller chest and longer. Location : Palmerston North NZ. The Russell Terrier originated in England. Niels C. Increasingly popular, designer dogs offer an array. Jack Russell Terriers live on average between 13-16 years. Jack Russell Terriers with a rough coat are characterized by long wiry hair that is generally rough. Otto, their father is 1/4 JRT and. Although tiny, the Chi has a larger-than-life. Jack Russell. We at Palmygold breed quality Jack Russell Terriers focused on excellent temperament, improving the breed by breeding as close to the standard as possible, matching breeding partners only after studying the pedigrees carefully of both Sire & Dam. Yes, Jack Russells bark a lot. The Veterinary Genetics Laboratory (VGL), in collaboration with Dr. Jack Russell Terriers live on average between 13-16 years. Jack Russells are white with black or tan markings. Size: 13-14 inches tall at the shoulder, 13-20 pounds Lifespan: 13-16 years Breed Group: Terrier Coat: Smooth, broken, or wire coat Temperament: Energetic, playful, intelligent, stubborn Exercise. This breed combines the energy and intelligence of a Jack Russell with the calm, protective instincts of a Shar Pei. When puppies are three months old, they typically weigh between 6 and 8 pounds. Other breeds are also possible from the Jack Russell Terrier, depending on which Pit Bull Terrier is bred with the Jack Russell. In doing so, he became the first. This is a first generation or F1 mix, which means that the puppies are usually a product of two purebred parents. Jack Russell je extrémně chytré a aktivní plemeno, díky čemuž jej rozhodně do tréninku nikdy nebudete nutit. Jack Russells have long been popular with horse owners and are frequently seen around stables, but the type of terrier more often seen there has short legs and a long body. Read more. On the other hand, Chihuahua was bred purely for. They are usually black, brown, or tan with considerable areas of white across much of their fur, especially their chest and legs. Nose. Jarvis J. Careful and amusing, he enjoys games. Its friendly and intelligent nature makes it a great companion or outdoor dog for singles, couples, or families. Introduce your Jack Russell to other dogs very slowly and gradually. Jack Russell Terrier Club of NSW inc - Club President and Life Member. Smooth-coated Russells need only a weekly rubdown with a soft brush or hound glove. When these two breeds are crossed, the result is a Jack Russell Pit mix, also known as a “Jack Pit. Jack Russell Terriers can trace their roots to the small, white Fox Terriers and English Terriers that existed half a millennia ago. Your puppy might also be prone to. Jack Russell Terriers are among the healthiest and longest-living dog breeds. This uncertainty makes the Jack Chihuahua Dog a varied and unpredictable crossbreed. Jackapoo puppies are intelligent, active and loyal. Temperament. If you’re having trouble deciding, keep in mind that great Jack Russell Terrier names can come from many different sources of inspiration, such as your favorite season, movies, celebrities, your heritage, or even dog breed history. Because of these two reasons you. He’s confident, alert and always ready for work. These hybrids are a result of crossbreeding a Jack Russell Terrier to a Shih Tzu. All puppies have special needs, and Jack Russells are no exception, so. Jack Russells strive to please their owners and make loyal and protective pets. Like a marathon runner, always on the go. A Jack Russell Is A Dog Born to Hunt and Work. Physical Development: JRT puppies grow steadily in height and length for the first 7-8 months, then those growth rates slow while. Jack Russell’s can reach speeds of 25 mph or 40. The Jack Russell Terrier dog (JRT) is an intense and athletic little dog that has won people’s hearts everywhere with its speed, intelligence, determination, and bold attitude. They need a whole lot of exercise, but they’re adorable and friendly. One of the facts about Jack Russell Terriers is that although they are similar to the Parson Russell Terrier and there may be some overlap in bloodlines, there is enough of a distinction. He and his 3-year-old Jack Russell terrier Finney, disappeared after venturing into the Blackhead Peak area. Russell Terriers have white coats, with markings in black, brown, cream, tan or tri-color. See your veterinarian right away if you detect any signs of infection. Jack Russells can differ in price significantly depending on how you intend to adopt a Jack Russell. Categories Mixed Breeds. Tail docking for the Jack Russell. Although small, the Jack Russell Terrier isn’t a short dog but depends on perfect. Jack Russell Terrier View Adoptable Pets for This Breed Traits and Characteristics type Terrier weight 11 to 13 pounds height 10 to 12 inches family Terrier The Jack Russell Terrier is a fearless, not to mention. The first Jack Russels likely were bred by the Reverend John Russell. Jack Russell’s desire to please their owners using their intelligence and ability to work. Introducing your Jack Russell to another dog. The length of the front leg (measured from point of elbow to the ground) is approximately equal to one-half of the dog’s height at the withers. Russells with rough or broken coats require weekly brushing or combing. by Dennis Stapleton. Find Jack Russell Terrier puppies for sale. Jack Russell Terriers can range in size and weight due to breeding and depending on if they are a mixed dog breed. He wanted to create a dog breed that could hunt with hounds – these dogs would force foxes from their dens so the hounds could chase. It is a cross between the Border Collie and the Jack Russell Terrier. The Jack Chi is a mixed breed dog — a cross between the Jack Russell Terrier and Chihuahua dog breeds. They are not purebreds like their Jack Russell Terrier or Poodle parents. 5 cm in height, whereas the AKC standard calls for a smaller range of 14 inches / 35. The Jack Russell Terrier is a small, agile, active hunting terrier, built to go to ground. Your Jack Russell Terrier is a lively, tenacious, bold, fearless, feisty, cheeky, confident, independent, intelligent and full of life dog. They look the same in terms of color and coat types. Makes an entertaining and adventurous companion, as well as an excellent watchdog. . Jack Pug, known as Jug, is a designer dog that resulted from a mix between Jack Russel Terrier and Pug. 5 to 19. The coat may be smooth, broken or rough. Location : Palmerston North NZ. Mecklenburg County, Charlotte, NC ID: 23-11-18-00032. A. Jack Russell’s desire to please their owners using their intelligence and ability to work. Energetic, intelligent, feisty, stubborn, loving, difficult to train, good with children and other dogs. Since 2003, Jack Russells have been moved to the Parson Russell Terrier cathegory by the American Kennel Club [2]. Hunter Ridge Kennels loves our Jack Russell puppies!! A couple of our puppies have successfully been shown in Dog Shows and are Agility Champions. But once trained, you’ll find that the Jack Russell Terrier is a delight and is always up for amusement. The Jack Russell is a small and spirited domesticated dog of the terrier family. It’s hard to say precisely how far back this. In the United States, Jack Russell Terriers became especially popular, and several breed clubs sprung up as a result. 5 cm. The taurine helps maintain eye health and eyesight since this breed can end up with glaucoma. This positive plays right back into the very first pro of the Jack Russell we mentioned previously. The length of the front leg (measured from point of elbow to the ground) is approximately equal to one-half of the dog’s height at the withers. In this guide, we will cover everything that you need to know about Jack Russell Terriers, including their maintenance, personality, and more. In addition, Jack Russells should be trimmed every few months to help manage their coat and keep it looking neat. Jan 27, 2023 - Beware of. Where was Jack Russell born? Jack Russell was born in Paris, TX. A fully-grown Jack Russell Terrier usually stands 10-15 inches tall and weighs 9-18 pounds. The breed is known for their intelligence and ease of training, however jack russells think on their, look for loopholes out of your commands, and frequently get into mischief. The jack russell terrier is a highly energetic small dog breed that was originally bred to aid in fox hunting. Can be scrappy with other dogs. A fully-grown Boston Terrier usually stands 15-17 inches tall and weighs 10-25 pounds. 9.