The Jack Russell Terrier is a small dog that weighs between 6 and 8kg and stands at between 25 – 38cm. This special coat quality is not exclusive to this breed, but seen in at least 78 dog breeds. Although small, the Jack Russell Terrier isn’t a short dog but depends on perfect. The rest of this post is designed to be entertaining while presenting some fun. With a chest deep rather than wide, the body is slightly longer than it is tall with a level back. This breed is notoriously fearless and requires little encouragement to go to ground. The mom is usually a Jack Russell Terrier, as the smaller Chihuahua wouldn’t be able to deliver the bigger offspring. The breed has a compact, muscular body. com or 0407010518. by the 1930s and the Jack Russell Terrier Association of America wanted recognition by the American Kennel Club, which was granted in 2000. See moreThe Jack Russell terrier is a true working terrier. This test panel is useful to breeders who wish to track and increase. Because of the rise in popularity of low-shedding dogs, Poodles are often used in the creation of Designer Dogs and this pooch is a classic example of that cross-breeding. Jan 27, 2023 - JRT Museum Trial Date Changed to June 24-25s. With a chest deep rather than wide, the body is slightly longer than it is tall with a level back. The smooth coat is short, coarse and. As time went on they became relied upon as excellent rat catchers. The Jack Russell is a member of the terrier breed group, originally bred for hunting vermin. The typical price for Jack Russell Terrier puppies for sale in Spring Hill, FL may vary based on the breeder and individual puppy. Having gained immense popularity as designer dogs, they are generally characterized by a round head, short or slightly elongated muzzle and a curly tail. ) at the withers, that they can differ in terms of hair, markings, characteristics and, of course, personality, but that they are ALL real Jack Russells. Jack Russell Terrier ears are small and V-shaped and tend to fold over at the midpoint. The Jack Russell Terrier has a strong rectangular frame. Jack Pug, known as Jug, is a designer dog that resulted from a mix between Jack Russel Terrier and Pug. There's debate over raw or wet food versus dry, but most veterinarians and breeders agree that protein is key. Parson Russell Terrier compared to Jack Russell coat. 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. The Jack Russell Terrier is an exception to that rule. The Jack Russell Terrier is a small, agile, active hunting terrier, built to go to ground. Jack Russell Terriers live on average between 13-16 years. The Jug is a hybrid dog obtained from crossing a Pug with a Jack Russell Terrier. His. Temperament. Any Texas Jack Russell Terrier for sale through Uptown is a purebred, descended from two other purebred Jack Russells. The Jack Russell is a highly energetic, curious, intelligent dog that highly contrasts with the calm and easygoing Pug. Yes, Jack Russells can be aggressive with other dogs due to their strong prey drive. Unfortunately, liver disease is quite common in senior Jack Russells – especially a liver disorder called portosystemic shunt (PSS). In 1985, the Jack Russell Terrier Association of America was founded. However, since Jack Russells have some serious stubbornness, it’s important to remain patient and consistent with any training methods you choose. It has a well-proportioned medium-length body with short hair. A. But once trained, you’ll find that the Jack Russell Terrier is a delight and is always up for amusement. The ancestry of the breed combines the ultimate size, instinct, and construction for the working earth terrier. Jack Russell puppies should receive around 800 to 900 calories to take account of their growth and energy needs. Height. Since 2003, Jack Russells have been moved to the Parson Russell Terrier cathegory by the American Kennel Club [2]. This hybrid breed is a result of breeding a purebred Jack Russell Terrier with a purebred Chihuahua. 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. Smooth-coated Russells need only a weekly rubdown with a soft brush or hound glove. There are some diseases that are typical for this breed, but purchasing your dog from a responsible breeder can reduce the associated risk. They’re always eager to learn new tricks — so much so that one might even call them the “Houdinis” of the canine world. This number comes from the combination of a Jack Russell’s and a Pit Bull’s average life expectancies. 23-11-18-00032 D122 Giseli (f) (female) Pit Bull mix. The breed was eventually brought to the United States sometime in the 1930s. The Jackabee is a crossbreed between a Jack Russell Terrier and a Beagle, also known as Jack Russell Beagle mix or Beagle Jack. These small dogs are popular with children and grown ups alike. Exercise. Cerebellar Ataxia: This is an inherited disease causing the neurological cells to die, causing. . Adopt a Jack Russell Terrier. They are the perfect combination of two of the most popular breeds around. 5 kg) Ellie the Jack Chi at 5 years old— "Ellie's a 5-year old Jack Chi, and we're pretty sure she's a cat trapped in a dog's body given the contrast between her usually ultra-mellow demeanor and her attitude and sass when she gets feisty. The Bull Jack is a designer dog breed that was developed by breeding a Bulldog with a Jack Russell Terrier. The coat may be smooth, broken or rough. 25 KPH. Depending on what kind of coat your dog's Jack Russell parent has, your Heeler Jack Russel could end up with a distinctly scruffy appearance or a smooth, short. He is one of four Swiss Mountain breeds, but certainly the most popular and well-known. No matter what type of coat one may have, they can all grow to a height of 10 to 15 inches when fully grown. The Jack Russell Terrier comes in three different coat types: smooth, broken, and rough. Jack Russell Terriers are hunting dogs by nature, so they enjoy running and chasing. Its height at the shoulders commonly ranges from 12 to 18 inches. STANDARD. ” The Jack Russell Terrier originated in England in the 1800s, where they were bred for fox hunting. Facts and data . Jack Russells are a small breed. The breed is named after the Reverend Jack Russell, credited with the creation of this type of dog. Hydrocephaly: This is fluid accumulating within the brain. 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. They can excel at agility and advanced obedience training, and make pretty. Colour: White, Black & White, White & Tan. Jack Russell Terriers are energetic and adorable dogs with a few special requirements when it comes to raising them. You will often hear the words vivacious and live wire associated with this breed. There will be excess hair present all over the body including the face in a rough-coated Jack Russell Terrier. They are usually black, brown, or tan with considerable areas of white across much of their fur, especially their chest and legs. He is credited for developing the Parson Russell terrier during the mid-1800s; the breed took up his name. Adventure is this canine’s middle name. The Jack Russell Terrier Patterdale Terrier mix, or Patterjack, is a rare crossbreed but is relatively easy to predict. Height – 10 to 15 inches (to shoulder) Weight – 13 to 17 pounds. ) Introduce Slowly. co. The American Canine Hybrid Club. Jack Pug’s origin and historical data are not recorded yet. They have a stigma of being aggressive. Their loving disposition and cute looks make them great family pets. 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 adorable, mixed breed is a crazy but lovable digger. Jack Russell Terrier in the United States. It is spirited and obedient, yet absolutely fearless. By the 1930s, Jack Russell Terriers became one of the most popular dogs for hunting. The mom is usually a Jack Russell Terrier, as the smaller Chihuahua wouldn’t be able to deliver the bigger offspring. They are not purebreds like their Jack Russell Terrier or Poodle parents. This breed sports a distinctive white coat featuring splotches in brown. All the coats tend to shed. PHOTO: Reddogs / Adobe Stock. . Still, overall, a Jack Russell is a healthy, long-living dog. This itty-bitty standout shines in a large way with an impish personality and exuberant energy that rival his size. Adopting a Jack Russell from a reputable rescue will run you around $300. All these crossbreeds are highly energetic and will do poorly if they are forced to live a. They are sweet, energetic, and intelligent. House Of Jacks. Stable Jacks are friendly and generally kind to children. He played college football at. The eggs and fish provide important omegas and DHA,. The Jack Russell Terrier is a pint-sized dog with a big-dog attitude. 13. He is small, stocky, and muscular, and he has a short coat that is either smooth or broken-coated and white and tan in color, sometimes with a little black or brindle added to the mix. Rich Moore, 71, of Pagosa Springs, Colorado, set out with his Jack Russell terrier named Finney to climb Blackhead Peak on Aug. Find Jack Russell Terrier puppies for saleNear Pennsylvania. 7. Jack Russell terriers usually weigh between 13 and 17 pounds. Jack Chi. 9. Basenji. Complete with a ton of stubbornness, he is. All Jack Russell Terriers are proportionally longer than they are tall. Without sufficient activity, they are prone to destruction of property and terrorization of other household pets (and children). 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. Measure the circumference of the snout. They need a whole lot of exercise, but they’re adorable and friendly. The coat is mostly smooth and short, but the coat can also be. Together, the Pit Bull Terrier and Jack Russell Terrier mix will be high energy, highly loyal, and excellent dogs. It was named for the Rev. Like a marathon runner, always on the go. He’s confident, alert and always ready for work. The Foxy Russell is described as a loving, hyperactive, and curious explorer who loves to dig holes and lead the way. The mixed terriers were created when a Jack Russell was crossed with a different type of dog. 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. The Jack Russell Terrier was given official recognition by The Kennel Club in 2016. Jack Russell Chihuahua Mix puppies are normally born in litter sizes of between three to five. A Jack Russell Is A Dog Born to Hunt and Work. You should also allow your Jack Russell to run around in a secure outside space between walks to stretch. Ready to go to there forever homes. He especially enjoyed foxhunting and recognized the need for a small, agile, fearless dog that will chase foxes in their underground burrows and flush them out in the open. Compact and cute, this designer dog is loaded with personality. You likely think that this contradicts other stories you have read online. Signs of liver problems can include: Loss of appetite. The right amount of food should depend on his age and activity levels. The Kennel Club of the U. Although Poodles and Jack Russells look very different, their ancestors are both hard working, hunting breeds. We will have rough/broken coated puppies due around late November and would welcome any early enquiries for them. Jan 27, 2023 - JRT Museum Trial Date Changed to June 24-25s. 5 cm (10 to 15 in. 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. These purebred dogs can be charming and. John Russell. If they are in the house for a long period of time, they may end up feeling mentally disturbed, depressed, and even sad. The Breed is named after Reverend John “Jack” Russell. Chrystal Rackley. Jack Russell Terrier is a small-sized dog breed that was originally bred in England for fox hunting. December 20, 2022. We are very proud of our puppies and have many happy owne. Average: 3. Issues with watchdogs and Jacks. Weight loss. The Jack Russell Terrier is a small, curious dog originally bred to hunt foxes. Your Jack Russell will love making new friends. Jack Russell terriers may be aggressive toward other dogs if they are not socialized at an early age. JRTCA show dogs are classified into one. John Russell. It is a valid concern, and I was in the same situation 2 years ago. Little Eden is a New-York based breeder with more than 30 years of experience working, showing, and breeding Jack Russell Terriers, which is a clear indication of their expertise in the field. The tails of working terriers were originally docked to prevent injury while traveling underground when following rats and badgers. 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. Do you have a little Jack Russell? Tell us about them! 😍 For the spoiling, nurturing and whole-heartedly pet-obsessed, The Pet Collective is a playground t. 5 kg) Ellie the Jack Chi at 5 years old— "Ellie's a 5-year old Jack Chi, and we're pretty sure she's a cat trapped in a dog's body given the contrast between her usually ultra-mellow demeanor and her attitude and sass when she gets feisty. The other parent could affect this, so you do want to ask the breeder about them and note which breed is the mother. For example, your puppy might sport a flower’s name like Daisy or a nature-themed moniker like Pebbles. 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. The Blue Heeler Jack Russell mix is the result of crossbreeding Blue Heelers and Jack Russell Terriers. The Parson Russell weights between 5-8kg with. They’re tough, feisty, bold, and brave yet snuggly, affectionate and loyal all in one go - though well-trained and socialised, they’re much likely to be the latter!. Friendly toward strangers. 1. 4. The Parson Russell Terrier is a bold and clever terrier, swift enough to run with horses and fearless enough to dig in and flush a fox from his lair. However, as loveable as they are, they can also be surprisingly difficult to train and manage, and need a. Así mismo, es inteligente, muy fiel y valiente a pesar de su reducido tamaño. Border Jack. Their ears either erect like that of the Chihuahua, or with a curl-over like the terrier parent. Size, Weight, and Space. Jackapoo. by Dennis Stapleton. The purpose of the JRTCA is to protect and preserve the unique characteristics. Although the consensus is, currently, that they retain more of a Pug-like appearance, they actually can vary quite a bit in looks. It is that simple. Russell Terriers have white coats, with markings in black, brown, cream, tan or tri-color. 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. I also wanted to touch on this topic a bit more in-depth and compare Jack Russell’s to some other typical. The Jack Russell Terrier was originally bred not to kill the fox, but to cause it to run from any hiding place so that the fox. ) Introduce Slowly. Now, if not engaged daily with enough toys and. Top 20 Jack Russell Terrier Mix Breeds: 1. He is essentially a white dog with orange or fawn colored patches. This is also known as the first generation dog or an F1 mix, and this is the only type of Jack Tzu that is currently bred. The Jack Russell Terrier is a very active, well muscled small dog. The current median price for all Jack Russell Terriers for sale is $675. The smoother coats require minimal maintenance, while a little more (not a lot) grooming is necessary for the broken and rough coats. Jack Russells are a dog breed that you need to prepare for in advance to ensure you have all your ducks in a row. 2. Today, the Jack Russell is a very energetic dog that loves. Russell (1795-1883), apart from. On average, Jack Russell Terrier puppies from a breeder in Spring Hill, FL may range in price from $1,500 to $2,000. 15. . The Jack Russell is a small and spirited domesticated dog of the terrier family. Phone : 0275262800. Energetic, curious and playful, he is a good match for active families. His coat must be weatherproof with a softer undercoat and a harsh topcoat. Jack Russells typically weigh 13 to 17 pounds and stand tall at 10 inches to 1 foot. Mr. Russell was born in Montebello, California on December 5, 1960. See your veterinarian right away if you detect any signs of infection. Both breeds were developed in England for fox hunting. Their ears either erect like that of the Chihuahua, or with a curl-over like the terrier parent. He and his 3-year-old Jack Russell terrier Finney, disappeared after venturing into the Blackhead Peak area. He is super energetic and exuberant, spirited and full of personality. 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. Their active lifestyle can be handled only by seasoned dog owners. This designer dog is perfect for experienced owners, as his stubbornness can sometimes cause a headache for beginners in the canine world! Breed Overview. Due to the gene pools of their parents, you can. Jack Russells are an energetic breed that rely on a high level of exercise and stimulation. Very smart, bold, energetic, and lively, Jack Russell makes a good companion to active people. 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. . Many hunters, flyball enthusiasts, professional trainers, movie producers, and those who love small dogs favor the JRT. Friendly, intelligent, energetic, stubborn, and loyal. These dogs are alert, good-natured, and highly intelligent. While they benefit most when they have access to a yard, if exercised enough they will happily live in an apartment. Jack Russells were bred to hunt foxes and are still known to hunt vermin today. Still, the typical height of a Jack Russell Terrier at the shoulder is 10 to 15 inches, and. Basenji. The Jack Russell Terrier is a smaller dog breed that was originally bred to hunt fox in England. View the profile of Tampa Bay Buccaneers Linebacker J. They need a whole lot of exercise, but they’re adorable and friendly. Needs a lot of interaction. Dogs NSW member number 2100081969. However. Kibble with 20% meat protein (fish, chicken, or beef) is a good option, both for nutritional needs and dental hygiene. Jack Russell Terriers are fundamentally robust nature lovers who can live for more than 15 years if they are well cared for. A sporty breed with a curious personality, the Jack Russell terrier, won’t hesitate to trot right into your heart. 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. The Russell Terrier stands between 10 in (25 cm) to 12 in (30 cm) in height. This lasted until 2003. The JRTCA is the National Breed Club and Registry for the. Most commonly, this will take place. The Jack Russell terrier is a high-energy, extremely prey-driven little dog bred in the 1800s to hunt foxes. Do you have a little Jack Russell? Tell us about them! 😍 For the spoiling, nurturing and whole-heartedly pet-obsessed, The Pet Collective is a playground t. 5. They will have a small, well-proportioned body with a short tail, long muzzle, and possibly a mustache. 31, 2023, in Pagosa Springs, Colo. Both the Jack Russell Terrier and Patterdale Terrier are very similar in looks and appearance. Jack-A-Poo coat colors include white, black, brown, tan, gray, and blue–and coats. 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. One look into their bright, almond-shaped eyes, and you’ll know you’ve found a friend for life. As a matter of fact, most working dogs tend to have a double coats. While Jack Russells measure 13 to 15 inches in height, the Mini Jack Russell is between 10 and 12 inches tall. That’s because a Beagle Mix with Jack Russell Terrier dogs can easily be overfed due to their small sizes. Average weight: Males 6. Nonetheless he has. We are located in Wagga Wagga NSW and welcome any enquiries about our dogs. These dogs are alert, good-natured, and highly intelligent. ) With Discipline and Consistency, Jack Russells Are Highly Trainable. If you want to know all about the Jack Russell terrier, you’ve come to the right place. The children must know how to treat the dog. Jack Russell/Parson Russell Terriers come in two coat types: smooth and broken. Because the Jack Russell Chihuahua Mix is a hybrid dog, there isn’t a breed standard, or consistent generational breeding. Daisy the tricolor Chihuahua / Jack Russell Terrier mixed breed puppy at 4 months old weighing 10 pounds (4. Jack Russells are now used as companion dogs and for vermin control. On the other hand, Chihuahua was bred purely for. As a result, this is a high energy dog and requires adequate exercise and stimulation . They are usually black, brown, or tan with considerable areas of white across much of their fur, especially their chest and legs. The pecking order is predetermined by age, allowing the younger dog to. The Jack Russell is often confused with two other recognized breeds, the Parson and the Russell terriers. Jack-A-Poo coat colors include white, black, brown, tan, gray, and blue–and coats. Your Jack Russell will love making new friends. As is the case with some other Terrier breeds, the Jack Russell also has a. Jack Russells are most typically aggressive with other dogs of the same sex, and experts usually advise that no more. His coat can be smooth, broken or rough. Beautiful temperaments. A Jack Russell's tapered muzzle ends with a button nose that's all black in color. Its friendly and intelligent nature makes it a great companion or outdoor dog for singles, couples, or families. Jack Russell Terriers, on average, will range from 10-15 inches tall at the shoulder and weigh between 13-17 pounds when fully grown. Puppies have been Vet checked, 1st vaccination, wormed 2,4,6&8weeks and micro chipped. The breed takes its name from the Reverend John Russell, who bred one of the finest strains of terriers for working fox in England. Join our club . That makes sense because it is one of 16 basal dog breeds, which are more genetically divergent than most dog breeds. . The Jack-A-Poo brings together the Miniature Poodle which dates back to 16th century. However, the characteristics of the Jack Russell Terrier overlap with several other breeds, causing a fair amount of confusion, particularly for those not intimately familiar with Jack Russells. All the coats tend to shed. Jack Russells strive to please their owners and make loyal and protective pets. The Jack Russell Terrier and the Russell Terrier are the same breed, but are entirely a separate breed from the Parson Russell Terrier. 5 to 8 kg. Try to give your Jack Russel Terrier chicken as a treat every 2 weeks. This dog food covers all the bases for Jack Russels. Email : Display Email. The miniature Jack Russell Terrier can truly be a purse dog for. You don't want a naughty Jack. Bo-Jack (Jack Russell and Boston Terrier mix) Image Credit: Adobe Stock. The Jack Russell Terrier is strong and sinewy with long flat muscles in hard condition. The pedigree of the Parson Russell Terrier includes the Jack Russell Terriers of the 19th century, but many people also suggest that the modern breed has included ancestors like the Welsh Corgi (which is a smaller dog and could explain the modern breed’s stable, but small, size). 4. Because the Jack Russell Chihuahua Mix is a hybrid dog, there isn’t a breed standard, or consistent generational breeding. 12. Measure the length of the distance between the eye and the nose. Jack Russell Terrier in the United States. Height at the withers: Males 25 - 30 cm Females 25 - 30 cm. Can be scrappy with other dogs. This canine breed varying from toy to medium size is small-chested, having triangular-shaped ears. Independent problem solvers. The coat is short and dense, with a variety of colors such as black, brown, white and tan. He is a confident dog and faces any new situation head on. Jack Russell and Parson Russell are active and energetic dogs who require a lot of exercise for better physical and mental. Today at AnimalWised, we bring you everything you need to know about the Jack Russell Terrier. A Jack Russell can stay home alone, but like every dog, this should only be for a few hours. Jack Russell teriér. The lifespan of these sturdy and tenacious canines ranges from 13 to 18 years. Russell (born October 12, 1998) is an American football linebacker for the Tampa Bay Buccaneers of the National Football League (NFL). Smooth, broken, or rough. The Jack Russell Terrier is a very active, well muscled small dog. 10 to 15 years. According to the club, there is no ideal. Although tiny, the Chi has a larger-than-life. Height: 10 to 11 inches. The. The Jack Russell Terrier has a strong rectangular frame. House Of Jacks is the next Jack Russell Terrier Breeder on our list. As well as any other mix involving Pit Bulls and the Jack Russell Terrier, the Bully Jack Terrier is a small to medium-sized dog. They are widely known as a small dog with attitude. Owner Experience - The Chihuahua is an excellent choice for new/inexperienced owners. This dog is also devoted and affectionate. Hailing from the family of hunting dogs, they possess the energy, intelligence and agility of their parents. There are some dog owners who are exhausted by him and would prefer a more quieter dog breed as their companion. Thes AKC-recognized breeds are variations of the original type, the Jack Russell. Jack Russells are notoriously high-energy, peppy, and enthusiastic dogs, packed in a small dog’s body. This positive plays right back into the very first pro of the Jack Russell we mentioned previously. Lifespan. This mix sometimes occurs naturally and sometimes it is the result of intentional breeding. The Jack Russell is a popular little pup, who is often confused for the Russell Terrier or the Patterdale. Jack Russells, on the other hand, top out at around 30cm for both males and females, and are often much smaller. The Jack Russell is a small terrier breed characterized by a white, rough skin coat. The Jack-A-poo is a hybrid dog with the sweet temperament and appearance of a poodle, but with the playfulness and intelligence of a Jack Russel terrier. Compact, muscular and very energetic, Jack Russells are known as the small dog with the big attitude. But. 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”. When it comes to sizes, the Parson Russell terrier is a slightly taller, larger dog, with females reaching around 33cm high at the withers and males up to about 36cm. This small terrier breed tends to have a big personality. Jack Tzu (Jack Russell Terrier X Shih Tzu) Friendly and cheerful, the Jack Tzu is a sweet-natured dog that does not hesitate to greet strangers. Although they are similar, they are fundamentally different. Jack Russell Terrier Size & Weight. If you were to describe the Toy Foxy Russell in just three words, it would be a little pocket rocket. These dogs typically weigh between 25 to 40 pounds and stand about 15 to 18 inches tall. It was originally developed to hunt foxes during the Victorian era, so it comes as no surprise that this purebred has a strong desire to work and prefers having a job to do. Their alert eyes are almond in shape and dark in color with black eye rims. By the 1930s, Jack Russell Terriers became one of the most popular dogs for hunting. Being neither too coarse nor too refined, the dog’s overall substance and weight should be proportionate to height. Jack Russell Terriers are not recognized by the American Kennel Club. Otto, their father is 1/4 JRT and.