Boston Terrier Pug Mix Size and Weight. Bo-Jack (Jack Russell Terrier & Boston Terrier Mix) Image credit: crashandmilo / Instagram. Como muchos perros de caza, el jack russell es de carácter temperamental, trabajador, audaz, intrépido, curioso, muy activo y siempre está alerta. Personality: Loves To Work (And Lives To Play) Jack Russell Terriers are hunting dogs by nature, so they enjoy running and chasing. Height at the withers: Males 25 - 30 cm Females 25 - 30 cm. 2. 10 to 15 inches. Their shaggy fur frames their eyes with bangs like Benji’s hairstyle. 4. Size: Small . The Jack Russell Terrier is a cheerful, merry, devoted and loving dog. traits temperament upkeep health history. Just Giant Rescue Inc - Illinois Chapter. It derives from dogs bred and used for fox-hunting in North Devon in the early nineteenth century by a country parson, Jack Russell – for whom the breed is named – and has similar origins to the modern. Russell terriers (“Irish,” “English,” “Short. The head of a Parson Russell reflects its terrier nature, with strong jaws and a gaze that is direct and intelligent. The width decreases gradually toward the eyes and tapers to the muzzle. Early. The coonhound is more easily trained than beagles, but both breeds are wanderers and can get themselves in trouble if allowed to run loose. The breed has a compact, muscular body. Jack Russell Terrier Temperament. There are two types of Jack Russell Terriers: A wire-coated one and a short-coated one. The Jack Rat Terrier has been developed by crossing the Jack Russell (English breed) and the Rat Terrier that is of American origin. The original Russell terrier was bred for hunting foxes. Jack Russell Terrier. Russell Terriers are on the smaller side of the terrier spectrum. The Jack Russell Terrier breed has a compact and muscular body and can weigh anywhere between 13 to 17 pounds. One of the ultimate goofballs in the list of goofy dogs, the Jack Russell Terrier has the energy to back up their wacky ways! Just because they’re silly doesn’t mean they’re not coordinated though. It is a small dog with a height of 10-12 inches, and a weight of 9-15 pounds. Tail docking for the Jack Russell Terrier is optional. @skipp. Learn the 10 factors you should consider before getting a Jack Russell Terrier! Lars Millberg. They have a semi-athletic and muscular build, with their bodies proportional and balanced all throughout. 2 kg). The Parson Russell Terrierwhich also owes its name to the Reverend (=Parson) Russell. 3. It is muscular, compact and energetic. Jorkies bond to their owners and require a lot of daily attention, which can be ideal for. The two parent breeds share personality traits of affection, alertness, cheerfulness, courageousness, friendliness and independence with the Jack Russell parent adding gentleness,. 1. Wire-coated Jack Russells are active dogs with high amounts of energy. Height. Description : The Boxer's body is compact and powerful. As a small poochie, the PRT can go just about anywhere including your purse or backpack. Lifespan: 13-16 years . The Jack Russell terrier is a famous ratter dog with a tenacious temperament, which may pop out in this mix. Reverend John Russell, who bred the first. [1] Racen er en brugshunderace af typen terrier oprindeligt avlet af pastor John "Jack" Russell i Devonshire i England i midten og slutningen af 1800-tallet. They are typically 50/50 Corgi and Jack Russell, but there can be a bit of variation in their appearance. It would be even better if you could break the meal up into three separate sections. Contact —. Weight. If a Jack Russell is bred with a Black Lab, the offspring would be a mixed breed dog known as a Jackador, which is 50% Jack Russell and 50% Black Lab. Jack Russells are white with black or tan markings. When you first encounter this breed’s exuberant bark and tenacious drive, you might actually do a double-take. . Jack Russell - Razina energije i temperament. Irish Jack Russells are small dogs standing at roughly 18 to 35cm and weighing in the region of 5 to 8kg for both males and females. They are loving and playful. The Dachshund Jack Russell Terrier mix will generally be smaller in stature. In short, Jack Russell’s has been a dog breed since the 1800s that have a strong desire to please their owners and provide loyalty and work. 4. It’s the largest out of the Terrier. Their long, slim frames were vital when it came to fox. The Jack Russell Terrier Club of America standard calls for dogs to be from 10 inch / 25. Ακόμη και σήμερα η Αυστραλία είναι η χώρα, η οποία ασκεί τη μεγαλύτερη επιρροή. Weight. Dens egen selvopfattelse er, at den selv er stor og farlig, hvilket der kommer til udtryk, når den møder andre hunde eller reagerer på situationer. Pug Rat Terrier Mix Temperament & Personality Traits. Le chien Jack Russel est un chien de petite taille, au physique parfaitement reconnaissable. When you first encounter this. Displaying a calm demeanor or a quiet household is one of the secret tricks to discipline a Jack Russell in a positive way. Cute and lively, the Jack Russell Terrier has incredible bursts of energy throughout the day. Their loving disposition and cute looks make them great family pets. Sprout – Little Growth. The muzzle is short and blunt with a distinct stop. Their eyes are medium in size, round and set well apart. While the breed weighs less than 15 pounds, it is not listed as a Toy breed by the American Kennel Club. I've recently lost my Jack Russel of 8 years, who I absolutely loved. Nose. Jack Russell Terrier; Jagdterrier; Japanese Akitainu; Japanese Chin; Japanese Spitz; Japanese Terrier; Jindo; Kai Ken; Kangal;. Jack Russells are good dogs for people who are happy to devote at least an hour a day to substantial, play-filled walks. They come from a working background so they need mental stimulation and. He looks much like your regular Jack Russell but he has shorter legs, and where the regular Jack Russell has an essentially white coat with orange-tan patches, the Irish Jack Russell can be solid tan or other color variations. Attributes. Their personality thrives on stimulation, so pet parents need to work hard to satisfy this pup. 13-17 lb. UKC Classification: Terrier. Male: 14-15 inches. Jack Russell Terriers weigh 13 to 17 pounds when fully grown. Life Span: 13-15 years. The result is a unique, balanced breed that stands as a potential. Moderately easy to train. The Jack Highland Terrier is a hybrid which results from the breeding of a Jack Russell Terrier and a West Highland White Terrier. Temperament: Merry, clownish, lively. Jack Russell Temperament and Personality. Bred to go to ground to hunt vermin, the Russell Terrier is a small, robust dog with a confident personality. The Jack Russell Terrier Club of America standard calls for dogs to be from 10 inch / 25. 00. It is related to the Airedale and the Scottish terrier and was first bred around 1820 in the Scottish Highlands. The Jackshund is a small-sized dog that will usually weigh between 15 and 25 pounds and measure between 9 to 13 inches short. Ainsi, son corps est compact et souple, bien proportionné, avec des épaules bien formées,. Povijest JRT-a započela je službeno 1972. by Dennis Stapleton. sixarmybrats says Yes: “ Jack Russell Terriers are extremely HIGH energy, and I’d say the highest of the terrier breeds They are super intelligent dogs; but they’re ‘nervous in the service’ as I like to call it. His clownish and hilarious personality was the best… The Jug is a cross between a Pug and a Jack Russell. Even the Pit Bull mix won’t be able to level them out. 5. Traits and Characteristics. Which is better: Pit or Jack?. the. Life span – 10 to 15 years. Socialized Jack Russell terriers make excellent. Not a high maintenance hybrid, he is ideal for the novice dog owner. Appearance. Rasa a fost numită după primul său crescător: John (poreclit “Jack”) Russell (1795-1883). Height: 10 to 15 inches (25 to 38 cm) Weight: 8 to 18 lbs (3. Jack Russell Terrier. Bring him inside if you are outside when he barks. ”Temperament: Lively, friendly, alert, energetic, independent, intelligent, and work-driven. The Cav-a-Jack is a hybrid breed. Traits and Characteristics: Loves to dig, Inquisitive. The AKC recognizes the latter two breeds. The breed tends to be around 20 to 26 pounds and between 13 to 18. There are two. Basset Hound puppies are born in litters of 6 - 8, with over-large ears that are comically too big their tiny bodies. Find similarities and differences between Jack Russell Terrier vs American Pit Corso vs Rat Terrier. They are known to generally live to a good age and rarely come down with serious illnesses during their lives. Their coat is short and can feel smooth or rough. Welcome to Rivercity Russells. A huge part of why Boston Terriers are so charming is because of the endless amount of entertainment they can provide. Our focus is on health, nutrition, temperament, socialization, and. Jack Russell puppies are little working terriers that originated in 19th-century England. Similarities and differences between Jack Russell Terrier vs Pocket Pitbull. Female. Smooth-coated Russells need only a weekly rubdown with a soft brush or hound glove. often this will be a Yorkie, Pitbull, Rat Terrier, Fox Terrier, Jack Russell Terrier or Bull Terrier. Jack Russells have a great reputation for being healthy, happy and adventurous little dogs. A Jack-A-Ranian is a designer dog breed resulting from the combination of a Jack Russell Terrier and a Pomeranian. The dog’s straight though not hypoallergenic coat comes in three different varieties: smooth, rough, and broken. Size-wise, they’re slightly longer than their height at the shoulders – around 33-35cm. This is where the dog gets his breed name from. They are considered a "designer" hybrid breed and have become steadily more popular over the last 10 years. Boxer may grow 28 cm / 12 inches higher than Irish Jack Russell. The Jack. They are loving and playful. Mr. Related: 24 of. Colorado Springs, CO. These intelligent, cute, and charming dogs are feisty, fearless, and fun to be around. michele. Jack Russell Terrier ears are small and V-shaped and tend to fold over at the midpoint. Jack Russell Terrier; Yorkshire Terrier; Cairn Terrier;. Doporučili bychom však procházek více za den nebo alespoň nějaké zábavné hry u vás na. They never turn down an outdoor romp and their sensitive noses are. The Jack Pit, as it is sometimes called, loves people and is extremely friendly even with strangers like its parents. If they are kept in a short puppy clip, weekly brushing is sufficient. All colors are desirable by breeders except blue. Russell's aim was to create a working terrier to hunt with hounds, flushing foxes from their dens so the hounds could chase them. The Parson Russell Terrier is like a Jack Russell Terrier with longer legs and a more boisterous personality. The Coton de Tulear is a rare breed with a soft, cotton-like coat that forms cords if not brushed. org. Our Terriers rule our home and our hearts. It is principally white-bodied and smooth-, rough- or broken-coated, and can be any colour. Basenjis are a bit larger with an average male weight of 24 pounds compared to the 14. Sheepadoodle - Adaptable, gentle and just a little clownish, the Sheepadoodle is a super trainable,. That being said, Jack Russells can have a smooth, broken or rough coat. Breeze – Gentle Wind. Energetic and agile. By Nicole Cosgrove . The eyes are dark brown. The Russell Terrier is AKC's 175th breed. Boys and girls. Jack Russells are white with black or tan markings. Shaggy Dog. They must have a wonderful and correct temperament and pass our veterinarians health check. Det er også en hund, der er nem at træne, da den besidder masser af selvtillid og nysgerrighed på at lære nyt. However, regardless if its coat is medium-length or very long, it immediately falls under the long-haired Jack Russell Terrier category. Jack Russell. These categories are Working, Gundog, Pastoral, Hound, Utility, Terrier, and Toy. Starting a formal training regime with a disobedient dog will help to set some boundaries. The mom is usually a Jack Russell Terrier, as the smaller Chihuahua wouldn’t be able to deliver the bigger offspring. As a result, it is vital to train your JRT pup from a young age to prevent problems with its behaviour further down the road. A fully-grown Jack Russell Terrier usually stands 10-15 inches tall and weighs 9-18 pounds. 100% Trainable. Inquisitive and highly intelligent, these qualities work in their favor when it comes to puzzles and games that will provide seemingly endless entertainment. The Russell Terrier is a cheerful little breed that packs plenty of spunk and personality into its pocket-sized body. Jack Russell Terriers generally live for 12-14 years on average. 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. Jackshund coat colors include white, black, brown, and cream. Small, friendly dogs, Jack Russell Terriers make good family pets — and are also suitable for city-dwellers who live in apartments. The Cojack is a cross breed developed from the Pembroke Welsh Corgi and the Jack Russell Terrier. Coat length & texture – Medium to long, coarse texture. They should be. Personlighed. 6. If you decide to take Jack Russell Terrier, you should realize. Russeltzu. Det er en "stor" hund forklædt som lille! Many small working Terriers, some of them genuine Jack Russell Terriers and others loosely carrying the title, were exported to Australia in the 1960s and 1970s and in 1972 the Jack Russell Terrier Club of Australia was founded. Jack Russell Terrier or Pocket Pitbull or Rat Terrier? Jack Russell Terrier vs Pocket Pitbull vs Rat Terrier behavior/temperament comparison: Stubborn Independent Energetic Alert Courageous Cheerful : Stubborn Clownish Energetic Courageous. Both root breeds, the Beagle believed to stem from the Roman era and Jack Russell Terrier bred in the early 1900s/late. By this stage, they should be more active and curious during the day and will usually sleep through the night for 6 to 9-hour. ) Display A Calm Demeanor and Household. About the Breed. Coat Color. hair / IG. 10–15 in. With a Beagle/Jack Russell mix, you’re in for quite the energetic personality. The Cojack is a mix between the Pembroke Welsh Corgi, or the Corgi for short, and the Jack Russell Terrier. The Jackshund has a very even temperament and makes a great family dog. The Jack Russell Terrier is a lively, independent, and clever little dog. The two breeds differ a great deal in appearance and temperament, so their offspring. They range hugely in height and weight as adults, but all have a short coat and outgoing demeanour. The coat is short and dense, with a variety of colors such as black, brown, white and tan. Así mismo, es inteligente, muy fiel y valiente a pesar de su reducido tamaño. 5 cm in height, whereas the AKC standard calls for a smaller range of 14 inches / 35. Russell Terrier size. Colors: Pied tan & white, white, brown, tan, or black and white or black. The active Jack Russell terrier has an interesting skill. Jack Russells are happy. Jackapoo. Temperament and characteristics. Primarily white with black and/or tan patches, their coat comes in three different textures – smooth, broken or rough. Coton de Tulear 7. The rest of the world accepted the Jack Russell Terrier shortly afterwards, apart from the UK, which did not recognise the breed until 2016. Jack Russell Terrier is a brave little dynamo with the confidence of a big dog in a small dog's body. Labs and Terriers are mainstays of rural life and as such although they look very different, they have been coming together for a long time. See moreThe most honest dog breed review you'll ever find about Jack Russell Terrier temperament, training, personality, behavior, pros and cons. Height: 9 to 11 inches. type. Silly? Check. Ignore him completely if you are inside when he barks. The Jack Russell Terrier is a small breed with plenty of energy for chasing cats across long distances. They can be as small as Jack Russells or as tall as labradors. They are loyal dogs who will always be up for a walk, a romp in the backyard, or a visit to the dog park. Aggressive Behavior with Jack Russell’s. Lifespan. Examine the head. The AKC recognizes the latter two breeds. Despite their small size, they are a very muscular breed, with a well-proportioned body and a long tail. ” The Jack Russell Terrier originated in England in the 1800s, where they were bred for fox hunting. How much exercise a Jack Russell Terrier needs: The Jack Russell Terrier requires lots of exercise, needing frequent opportunities to burn energy and participate in exciting activities that challenge their minds. On the other hand, the rough coat has excess hair on the head, face, legs and body. While Jack Russells boast endless energy and deep loyalty, Rat Terriers shine with their sensitivity and adaptability. A sporty breed with a curious personality, the Jack Russell terrier, won’t hesitate to trot right into your heart. Standard plemene rozeznává tři varianty: krátkosrstou, lámanou a drsnosrstou. Their legs are shorter than those of standard Jack Russell Terriers and are commonly known as Short-legged Jack Russells. Socialization is a huge part of every dog’s life. That’s just the initial cost—it’s estimated that the annual cost of owning a dog is between $2,000 and $9,000 (roughly). To contact Phantasticus French Bulldogs, request info about one of their puppies or submit an application. Their eyes are dark but their nose color can differ between black, red, blue, or pigmented. Weight. Like other hybrid breeds, their temperament, physical appearance and growth potential can be a bit of a mystery, so we’ve created this guide to help you decide. After crossing a white and tan terrier with other breeds, the PRT was born. The Jack Russell Terrier is a fearless, not to mention tenacious, working terrier, bred to go to ground for work and loves to dig. Barks a lot: Jack Russells are very vocal dogs and often bark a lot. Variation of toys and mental stimulation is important for an intelligent breed like the Jack Russell. Jackapoo dogs are a designer breed, mixing the Jack Russell Terrier and Toy or Miniature Poodle. Jack-Chi, Jackahuahua, Jackhuahua. Jack Russell Terrier has been created as a special breed 200 years ago in order to hunt fox. 10 ting du skal vide om Jack Russell Terrier. Attributes. Desirable and Good Behavior Traits of a Jack Russell. Small pets like cats and rabbits may not be safe around this Jack Russell terrier mix, even after socialization. Height. Jack Russell Terrier: Russell Terrier: Average size (adult) 13-14 inches: 10-15 inches: 10-12 inches: Average weight (adult) 13-17 pounds: 13-17 inches: 9-15 pounds: Lifespan: 13-15 years:. Go Home Date8 Weeks After Birth. Nose. Les lignées les plus hautes peuvent être vendues jusqu'à 1300€. Den skal opdrages med en fast, men kærlig hånd. This hybrid breed was probably first created in the 1990s as a companion dog, but there aren’t set records to. 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. Although small, the Jack Russell Terrier isn’t a short dog but depends on perfect. With the best traits of both parent breeds, the Jack-A-Ranian makes for a lively and loving companion. Jacks are generally hardy dogs, but have been known to suffer from: Atopy. Loaded with personality, the Jack Russell Terrier is both intelligent and hilarious. Den er kendt for sit ”klassiske” terrier-temperament, der har en tendens til at være til den iltre side, og Jack Russell-terrieren er bestemt ikke bange for at træde i karakter. Jack Russell Yorkie Mixes, or Jorkies, are spirited and spunky designer dogs, coming from two well-known companion terrier breeds. Their nose is flat with wide nostrils and may be red, blue or black. Age: Jack Russell Terriers have a lifespan of approximately 15 years. Age: 3 years, 8 months, 21 days. Coton de Tulear. Also, deal with your dog’s boredom – up the games and physical activity, and provide some new treats and toys. Bad Behaviors Your Jack Russell May Display. Smooth coats are always short with a slightly harsh texture. 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. Not all of these designer hybrid dogs being bred. Herunder finder du en oversigt over aktuelle kuld af racen Jack Russell Terrier, der pt. Cell Phone 540-798-4414. Temperament & Intelligence of the Jackweiler. Careful and amusing, he enjoys games and playing with toys. Jack Russell Terrier x Boston Terrier (Bo-Jack) The Bo-Jack is a cross between the “American gentleman” (Boston terrier) and the spunky Jack Russell. Default Sorting. This is a wonderful way to get a loyal and fun dog while. Jack Russells are white with black or tan markings. Children should be taught not to tease or hit the dog. Caring for your Jack Russell terrier. Lifespan. Jack Russell Terrieren er grundlæggende en meget social, venlig, glad og livlig lille hund, på trods af sit terrier temperament, som naturligvis ikke skal undervurderes. 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 is too active to be a lap dog. Price$3,000 - $4,000. És un terrier de treball, alerta, perseverant i independent amb la capacitat d'anar sota terra, i alhora un gos de companyia excel·lent per a persones actives. The temperament of a Bull Terrier will vary greatly and rely a lot on how your Bull Terrier is raised and socialized. Share. The coat may be smooth, broken or rough. The Boston Terrier breed is one of 12 breeds that originated in the United States. The breed is often referred to as Toy Jack Russell Terrier. Updated on Oct 20, 2023. The wire-haired Jack Russell has a 1-2 inches long coat. To say Miniature Bull Terriers make life fun is an understatement. The Foxy Russell is described as a loving, hyperactive, and curious explorer who loves to dig holes and lead the way. Jack Russell Terrier Pomeranian Mix Feeding. Lifespan: 12–15 years. Russells were bred to be able to go to ground and chase burrowing game, so their bodies are squarish in shape and compact. Hailing from the family of hunting dogs, they possess the energy,. For a small dog, the Jack Russell Terrier’s characteristics are most definitely larger than life. The Jack Russell Terrier, popular all over the world today. The character of a Boston Terrier is as affectionate as it could get but beware of their temperament. 4 - 8. The Parson Russell Terrier is a breed of small white terrier that was the original Fox Terrier of the 18th century. Jack Russells can be playful, affectionate, highly energetic, and clownish. The Jack Russell Terrier and the Pit Bull are beloved breeds known for their intelligence, loyalty, and athleticism. 8 Different Types of Tri-Color Bully (With Pictures). The Jack Russell Terrier or Parson Russell Terrier is not a stranger to dog enthusiasts. A Jack Russell's tapered. This breed’s waterproof coat can be course, smooth, or wire-haired. Both breeds, rooted in hunting and ratting. The Beagle terrier mix is another popular cross breed. Phone (708) 792-3647. How much exercise a Jack Russell Terrier needs: The Jack Russell Terrier requires lots of exercise, needing frequent opportunities to burn energy and participate in exciting activities that challenge their minds. If you want a clingy lapdog that enjoys staying by your side, then you should consider adopting the Puggat. A Jack Russell Italian Greyhound Mix is a crossbreed that comes from pairing a Jack Russell Terrier with an Italian Greyhound. They can have various colors, such as white, black, tan, brown, grey, fawn, chestnut, and others. Character & Temperament. Pups in the same litter may vary in appearance and temperament but generally this is a sturdy small dog breed that is cheerful in nature and has a load of energy. If their coat is kept longer, they will. The Jack Russell is a spirited and small domesticated dog that belongs to a terrier family. If you’re looking to add a Boston Terrier to your family, the price of a Boston Terrier from a reputable breeder ranges from. Generally speaking, it will reach its full-grown weight at 12 to 14 months. Jack Russells are white with black or tan markings. Coat Color: Black and Tan. Boston Terriers will entertain your kids. Jack Russell Terriers for sale should be about 10 to 15 inches tall at the shoulders. Your Jack Russell Terrier will need very few trims; the most you will need to do is probably regular trimming of the longer hair on their face using bull nose scissors. The breed is revered for its high energy, intelligence, and bravery, making it a perfect companion for active individuals or families. The Russell Terrier has been recorded in the Foundation Stock Service since October 2005. All the coats tend to shed. The Jack Russell Terrier Pitbull mix Source: @arielle. Origine: Anglia Grupa: Terrier Greutate: 6 – 8 kg Inaltime: 25 – 40 cm Culori: alb-negru, alb-maro Dresaj: usor de dresat Ingrijire: are nevoie de multa miscare Temperament: galagios, atletic, activ, energic, incapatanat, neinfricat, inteligent Sanatate: sanatos si longeviv Pui: 4 – 8 pui Media de varsta: 13 – 16 ani Alte nume: Jack Russell Terrier dog, Russell. Les caractéristiques physiques du Jack Russell renvoient toutes à la chasse au renard. 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. Izgled: kompaktan i okretan. Breed group –. The. Chihuahuas are the small dog with a big reputation, first bred for companionship in Mexico and now popular all over the world. As a result, they can do well in a variety of different environments. It stands between 15 and 17 inches high at the shoulder and weighs between 10 and 25 pounds. The head is in proportion with the body. Jack-A-Poo coat colors include white, black, brown, tan, gray, and blue–and coats. They are both medium-sized dogs that don’t take up a lot of space. Temperament: Patient, clownish, mischievous, lively, affectionate:. In most cases, they inherit the poodle’s intelligence and loyal nature and are extremely energetic and spirited like a Jack Russell terrier. The Jack Russell terrier temperament. Gender: Dog (Male) Pedigree: Yes. ) With Discipline and Consistency, Jack Russells Are Highly Trainable. The Jack Russell Labrador mix is a high-energy, friendly, and loyal breed. Much later, from the Jack Russell Terrier breeding, a second Russell Terrier was born. Bad Behaviors Your Jack Russell May Display. În 1819, cățeaua Fox Terrier „Trump” a ajuns la casa sa din Oxford. The cost depends on factors like parent breed history and whether the puppy is dewormed, vaccinated, spayed, or chipped. The differences in breeds can best be seen when comparing their size: The Parson Russell generally measures 33 to 36 cm (13 to 14. 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. 1. The Jack Russell Terrier is a highly intelligent dog and readily trainable. The ancestry of the breed combines the ultimate size, instinct. He is known to be a nuisance. Take the time to socialize your dog, get training, and keep an eye on them when you introduce them to children. The Jack Russell was strictly bred for hunting since its beginning in the mid-1800s. Weight.