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Species Profile

Wire Fox Terrier

Canis lupus familiaris

Small dog, big hunt-heart.
Serhii Bobyk/Shutterstock.com

Wire Fox Terrier Distribution

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Origin Location

This map shows the native origin of the Wire Fox Terrier. As a domesticated species, they are now found worldwide.

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Found in 1 country

Size Comparison

Human 5'8"
Wire Fox Terrier 1 ft 3 in

Wire Fox Terrier stands at 22% of average human height.

Happy cute Wire Fox terrier dog in the park

At a Glance

Domesticated
Also Known As Wire-haired Fox Terrier, Wirehaired Fox Terrier, WFT, Foxie
Diet Omnivore
Activity Diurnal+
Lifespan 14 years
Weight 9 lbs
Status Not Evaluated
Did You Know?

Wire Fox Terriers were developed in Britain to flush ("bolt") foxes from dens for mounted hunts.

Scientific Classification

The Wire Fox Terrier is a small, energetic terrier breed developed for hunting and bolting foxes. It is known for a harsh, wiry outer coat, alert expression, and bold, confident temperament. Modern lines are primarily companion and show dogs.

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Canidae
Genus
Canis
Species
Canis lupus

Distinguishing Features

  • Harsh, wiry outer coat with dense undercoat
  • Compact, athletic build; square terrier outline
  • Typically white coat with black/tan markings
  • V-shaped ears folding forward
  • Bold, lively, high-drive temperament

Physical Measurements

Males and females differ in size

Height
1 ft 3 in (1 ft 3 in – 1 ft 4 in)
1 ft 3 in (1 ft 2 in – 1 ft 3 in)
Length
2 ft 2 in (1 ft 12 in – 2 ft 4 in)
Weight
18 lbs (15 lbs – 20 lbs)
16 lbs (14 lbs – 18 lbs)
Tail Length
10 in (9 in – 12 in)
Top Speed
20 mph
running

Appearance

Primary Colors
Secondary Colors
Skin Type Wiry double coat
Distinctive Features
  • Small, athletic terrier built for bolting foxes from dens.
  • Harsh, wiry outer coat with dense insulating undercoat.
  • Distinct beard and eyebrows create an alert, keen expression.
  • High energy and bold temperament; needs daily vigorous exercise.
  • Strong prey drive; requires leash control and secure fencing.
  • Regular hand-stripping maintains coat texture and correct color.
  • Clipping softens coat and increases shedding compared with stripping.
  • Deep chest and narrow body help maneuver in burrows.
  • Prone to lens luxation and cataracts; routine eye screening advised.
  • May develop patellar luxation or Legg-Calvé-Perthes; monitor gait.
  • Can have allergies or skin irritation; consistent coat and skin care helps.
  • Dental tartar risk in small dogs; frequent tooth brushing recommended.

Sexual Dimorphism

Sexual dimorphism is mild: males are typically slightly taller, heavier, and more muscular, while females are a bit finer-boned. Both sexes share the same wiry coat type and classic head furnishings.

  • Slightly broader skull and heavier bone; more robust outline.
  • Often stronger neck and shoulders; more muscular forequarters.
  • Slightly finer head and lighter frame; more refined outline.
  • Often a bit shorter-coupled and narrower through the chest.

Did You Know?

Wire Fox Terriers were developed in Britain to flush ("bolt") foxes from dens for mounted hunts.

The harsh, wiry topcoat plus dense undercoat helps protect skin from thorns and rough ground.

They have strong prey drive; small pets outdoors may trigger chase and digging instincts.

Hand-stripping keeps the coat's texture and color; clipping often softens the coat over time.

King Edward VII's fox terrier "Caesar" famously walked in the monarch's 1910 funeral procession.

Snowy from Hergé's Tintin comics is depicted as a Wire Fox Terrier, boosting the breed's global fame.

Unique Adaptations

  • Compact, athletic build suited to maneuvering in burrows-very different from the wolf's large, endurance-running form.
  • Harsh wire coat and facial furnishings help shield eyes and skin from brush while pushing through cover.
  • Bold, persistent temperament selected for independent work, unlike wolves' cooperative pack-hunting specialization.
  • Historically docked tail left a sturdy "handle" for retrieval from dens-an old working practice in terriers.
  • Highly developed attention to movement and sound, aiding rapid detection of quarry in cluttered terrain.

Interesting Behaviors

  • "Go-to-ground" instinct: they investigate holes, squeeze into tight spaces, and try to root out hidden critters.
  • Vigilant watchdogging: quick to alert-bark at novel sounds, visitors, or movement near the home.
  • Problem-solving play: many learn puzzles fast but may "test" rules if training is inconsistent.
  • Terrier shake-and-tug: instinctive grab, shake, and carry behavior when excited by toys.
  • High-energy zoomies after rest; they thrive with daily runs, scent games, or structured training.

Cultural Significance

A classic British hunting terrier turned show and companion icon, the Wire Fox Terrier helped define "terrier type" worldwide. It remains a symbol of pluck, neat grooming tradition, and lively household companionship.

Myths & Legends

In Edwardian Britain, "Caesar," King Edward VII's fox terrier, became a national character by leading the royal funeral procession in 1910.

Hergé's Tintin stories made Snowy, a Wire Fox Terrier, an enduring pop-culture emblem of loyal, outspoken canine sidekicks.

Old hunting lore held that a true fox terrier must work "earth and hedgerow," equally ready to dig into dens or crash through brambles after scent.

Among early dog-show circles, champions were celebrated almost like folk heroes; famous winning Wire Fox Terriers were widely toured and written about in newspapers.

Conservation Status

NE Not Evaluated

Has not yet been evaluated against the criteria.

Population Stable

Life Cycle

Birth 5 pups
Lifespan 14 years

Lifespan

In the Wild
13–15 years
In Captivity
12–17 years

Reproduction

Mating System Polygynandry
Social Structure Managed Domestic
Breeding Season Year-round; females cycle about twice yearly
Breeding Pattern Not Applicable
Fertilization Managed Selective
Birth Type Internal_fertilization

Wire Fox Terriers follow the domestic-dog pattern: females typically enter estrus about twice per year and may mate with multiple males if not controlled. In modern breeding, humans manage pairings, timing, and access, so bonds are brief and not pair-lifelong.

Behavior & Ecology

Social Pack Group: 3
Activity Diurnal, Crepuscular, Cathemeral
Diet Omnivore cooked chicken

Temperament

Bold
Confident
Alert
Curious
Tenacious
Independent
Playful
Vocal
Protective
Stubborn

Communication

sharp barks
alarm barks
growls
whines
yips
body language
ear set
tail carriage
stiff posture
scent marking
play bows
mouthy play
stare and stalk

Habitat

Biomes:
Temperate Forest Boreal Forest (Taiga) Tundra Temperate Grassland Savanna Mediterranean Desert Hot Desert Cold Alpine Wetland Freshwater Marine Tropical Dry Forest Tropical Rainforest +8
Terrain:
Plains Hilly Valley Coastal Island
Elevation: Up to 17060 ft 5 in

Ecological Role

Human-associated mesopredator and historic fox-bolting vermin controller.

rodent control scavenging scraps human companionship

Diet Details

Main Prey:
Rodents Rabbit Small birds
Other Foods:
Berries Grasses Vegetable scraps

Human Interaction

Domestication Status

Domesticated

Dogs were domesticated from gray wolves in Eurasia ~15,000-30,000 years ago for hunting, guarding, and companionship. Wire Fox Terriers were later standardized in 19th-century Britain for fox-bolting and became show/companion dogs.

Danger Level

Low
  • nips if mishandled
  • high prey-drive chasing
  • resource guarding possible
  • escape digging and bolting
  • reactive to rough play

As a Pet

Suitable as Pet

Legality: Generally legal; local licensing, leash, and HOA rules apply.

Care Level: Moderate

Purchase Cost: $800 - $3,000
Lifetime Cost: $18,000 - $40,000

Economic Value

Uses:
Companionship Show Hunting Sport Therapy Research
Products:
  • stud
  • grooming
  • training
  • boarding

The Wire Fox Terrier was once a quintessential part of the British fox hunting scene. Developed during the 17th and 18th centuries to locate foxes and drive them from the den, it is believed to have descended from the Rough Coated Black and Tan Terrier, which is now extinct. Today, this breed is mostly used as a pet, an athlete, or a show dog. A lean physique, floppy ears, and an upturned tail characterize the Wire Fox Terrier. The wiry, broken coat for which it’s named has a white base and brown markings around the face, with additional black and brown markings all over the body. The long hair around the face gives it the appearance of having a mustache and beard.

Up until the early 20th century, the Fox Terrier had both a wire and smooth coat variant. But after people stopped breeding them together, the Smooth Fox Terrier was developed into its own separate, though very similar, breed. There are also toy and miniature Fox terriers, but they are considered to be separate breeds as well.

3 Pros And Cons Of Owning A Wire Fox Terrier

Pros!Cons!
Charming and Friendly
The Wire Fox Terrier has a big personality and forms close bonds with members of the family.
Independent and Stubborn
The Wire Fox Terrier might be a little difficult to train unless you really know how to handle it.
Fierce Determination
Once this breed is given a task, it will stick with it until completion.
Tendency to Chase
This breed has a strong prey drive.
Energetic and Athletic
This breed is an excellent exercise companion. It can also be taught to perform lots of tricks.
Escape Artist
This breed has a tendency to jump over or dig under fences.
Wire Fox Terrier portrait in show pose

The wire fox terrier may be difficult to train unless you know how to handle the breed.

Size And Weight

The Wire Fox Terrier is a small dog with a rather lean frame. Males are ever so slightly larger than females.

Height (Male)15.5 inches
Height (Female)13 inches
Weight (Male)17 to 19 pounds
Weight (Female)15 to 17 pounds

Common Health Issues

The Wire Fox Terrier is a very healthy dog with a life expectancy of 12 to 15 years. Nevertheless, no breed is completely free of health complications. This breed is prone to deafness, cataracts, epilepsy, heart disease, cancer (the leading cause of death in older dogs), hip dysplasia (a loose hip joint), Legg-Perthes disease (a deformed hip joint resulting from poor blood flow), lens luxation (a deformed ligament that holds the lens in place), and some degenerative neurological diseases. Good breeders should ideally try to minimize the chances that some of these problems (particularly serious genetic disorders) ever arise in the first place, but there is always a chance some will slip through. To sum up, the most common health problems are:

  • Deafness
  • Cataracts
  • Cancer
  • Heart Disease

Temperament

Wire Fox Terrier isolated on white background

Wire fox terriers are very feisty and energetic with an adventurous personality.

The Wire Fox Terrier is a very feisty, energetic, confident, and alert dog that should win over the heart of its owner with its fun-loving, charming, and adventurous personality. If you don’t mind a strong, independent thinker who might have their own ideas about things, then this dog will fit right into your home as a loving and affectionate member of the family. You should be aware that this breed needs a lot of mental and physical stimulation to keep it entertained. Otherwise, if left alone or ignored for too long, it might resort to unwanted or destructive behavior. While this breed can adapt well to apartment living, it will require some outdoor space in which to run and play.

How To Take Care Of The Wire Fox Terrier

The small size of the Wire Fox Terrier may fool people into thinking this is a low-maintenance dog, but it is actually a real handful to care for. Full of energy and life, and sporting an unusual wiry coat, this breed requires the frequent attention of its owner. You should absolutely prepare to devote time and resources to its care. Fortunately, this guide will help arm you with some knowledge you will need.

If you are just now preparing to purchase a dog, the first step is to find a trusted breeder in your area from whom you can purchase. Try to gather as much information as you can about how they breed, raise, and screen their dogs for health problems. Another option is to purchase a juvenile or adult dog from a rescue group or adoption agency. There may be some rescue groups in your area that specialize in Fox Terriers. Upon bringing your new dog home, it should have a complete physical examination at the vet and then regular checkups after that.

The Best Dog Food For Wire Fox Terriers

Wire Fox Terrier hunting dog. Puppy pet in autumn

This is a breed that can develop heart disease, and vet guidance is important.

An adult Wire Fox Terrier should be fed around 1.5 cups of high-quality dog food every single day, preferably divided into two meals. This is just an average; however, the exact amount will vary based on the dog’s age, size, and activity level. Owners should not leave food out for the dog to munch on. This may lead to unwanted weight gain.

Maintenance And Grooming

Wire Fox Terrier playing in the river

This breed needs to be brushed at least once a week to prevent matting and tangling.

The Wire Fox Terrier needs brushing about once a week, preferably with a firm bristle brush, to prevent matting and tangling. The American Kennel Club recommends that show dogs be hand stripped by the owner or a professional groomer. Hand stripping is a method of removing the top layer of the coat from the roots by hand. This will help to maintain the wiry consistency of the entire coat. By trimming or cutting it with clippers, the softer part of the coat will tend to dominate, which can also make the dog look paler.

If your wire fox terrier isn’t a show dog, then you can groom it and style it however you want. Owners should also check their ears once a week and trim their nails every month. Dental care is another important aspect of the dog’s care. Brush the dog’s teeth regularly (ideally once a day) with canine toothpaste to prevent disease and bad breath.

Training

The independent and strong-minded Wire Fox Terrier is a very eager and intelligent dog that also has the tendency to become easily bored. In order to prevent this, it’s best to break up training sessions into smaller segments with frequent breaks in between. Owners should also strive to keep it interesting by changing their routines from time to time. The Wire Fox Terrier requires a firm but positive training method. It may shut down or become unresponsive if you are aggressive toward it. Fortunately, this breed thrives at all types of training, from basic commands to more complex agility challenges.

Exercise

Happy and active Wire Fox terrier puppy running in the grass at the park

Daily exercise is needed for your wire fox terrier.

The Wire Fox Terrier will need about 30 to 60 minutes of exercise every single day. This breed enjoys long walks, runs, fetching, and playtime. Because of the dog’s tendency to chase prey, it is ideal that you have a fenced yard that it cannot dig under and jump over. When you take it out for a long walk or run, do not let it off the leash.

Puppies

The Wire Fox Terrier can be rather energetic and undisciplined as a puppy, so it should benefit greatly from proper obedience training and early socialization with other people and pets. Crate training is an important part of the house training routine for all Wire Fox puppies.

Fox Terrier puppy

Puppies would benefit greatly from obedience training.

Wire Fox Terriers And Children

The Wire Fox Terrier has a playful nature and friendly temperament that should be well-suited for kids of all ages. Its smaller size shouldn’t be intimidating, but it has such an immense reservoir of energy that it might not be able to stay calm and still in the presence of younger children.

Dogs Similar To Wire Fox Terriers

If you are a fan of the Wire Fox Terrier, then you might want to check out these other terrier breeds:

  • Smooth Fox Terrier: This breed is very similar to its close wire-haired relative in most respects. The main differences are the more V-shaped head and the short and smooth hair.
  • Russell Terrier: The Russell Terrier (and its close relatives, the Jack Russell Terrier, and the Parson Russell Terrier) is a small but athletic fox hunter that’s now mostly kept as a lovable and friendly companion. The Russell Terrier comes in three different types of coats: short and smooth, long and rough, and broken (a mixture between the two).
  • Rat Terrier: Originally bred as a farm dog and hunting companion, the Rat Terrier is a small, compact breed with a smooth coat, a playful personality, and fun-loving behavior. It comes in both standard and miniature sizes.

Famous Wire Fox Terriers

The Wire Fox Terrier has been a fixture of upper-class British society for centuries, both as a hunter and as a companion. It has also made quite an impression on many Americans. Here is a small sample of well-known members of this breed:

  • Caesar – This was the personal favorite dog of Edward VII, Britain’s monarch between 1901 and 1910. It was also thought that his mother, Queen Victoria, owned the same breed.
  • Skippy – This canine actor appeared in many popular 1930s films, including “The Thin Man” and “Bringing Up Baby.”
  • Polly – Owned by biologist Charles Darwin in the 19th century.
  • Vicki – The personal dog of writer and poet Rudyard Kipling.
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Sources

  1. American Kennel Club / Accessed March 30, 2021
  2. Harlingen Veterinary Clinic / Accessed March 30, 2021
Melissa Bauernfeind

About the Author

Melissa Bauernfeind

Melissa Bauernfeind was born in NYC and got her degree in Journalism from Boston University. She lived in San Diego for 10 years and is now back in NYC. She loves adventure and traveling the world with her husband but always misses her favorite little man, "P", half Chihuahua/half Jack Russell, all trouble. She got dive-certified so she could dive with the Great White Sharks someday and is hoping to swim with the Orcas as well.
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Wire Fox Terrier FAQs (Frequently Asked Questions)

As the name suggests, it is a breed of fox hunting dog with wiry hair. You don’t need to be a hunter to enjoy this breed, however. It is a playful, outgoing, and feisty companion around the home.