
Rat Terrier
The Rat Terrier is a spirited, intelligent American farm dog prized for its versatility, friendly temperament, and tireless vermin-hunting drive.
- Size
- Small
- Lifespan
- 12–18 years
- Origin
- United States
- Temperament
- Spirited
- Standard colors
- Black, White, and Blue and 7 more
Characteristics
Coat and grooming
How the Rat Terrier coat is built, and what that means when you groom it.
- Coat layers
- Single coat
- Coat texture
- Smooth
- Coat length
- Short
- Shedding
- Moderate shedding
Rat Terrier colors and patterns
What each club's breed standard says about every Rat Terrier color and pattern. Point at a ruling to see the club's own wording.
Breed standards describe the Rat Terrier in Black, White, Blue, Silver, Chocolate, Tan, Red, Lemon, Fawn, and Apricot. Standard patterns: Solid, Bicolor, Tricolor, Piebald, Roan, Sable, Spotted, and Tan point.
| Color or pattern | AKC | UKC |
|---|---|---|
| Black | Standard (“Black & White”) | Standard (“black”) |
| White | Standard (“White”) | Standard (“solid white ... must always have some white”) |
| Blue | Standard (“White & Blue”) | Standard (“blue and blue fawn”) |
| Silver | Standard (“White & Silver”) | Fault (“silver (the extreme dilution of blue)”) |
| Chocolate | Standard (“White & Chocolate”) | Standard (“chocolate (ranging from dark liver to light chocolate)”) |
| Tan | Standard (“White & Tan”) | Standard (“tan (ranging from dark tan to very light tan)”) |
| Red | Standard (“White & Red”) | Standard (“tan (... from intense dark mahogany red to light red)”) |
| Lemon | Standard (“White & Lemon”) | Standard (“lemon”) |
| Fawn | Standard (“White & Fawn”) | Fault (“Fawn (pale yellowish tan with self-colored nose)”) |
| Apricot | Standard (“White & Apricot”) | Standard (“apricot”) |
| Cream | Not recognized | Fault (“cream (pale yellow to off-white)”) |
| Albino | Not recognized | Disqualifying (“albinism”) |
| Patterns | ||
| Solid | Standard (“the "solid white" extreme piebald dog; never a solid ground color without white”) | Standard (“may be solid white; disqualification: any solid color other than white”) |
| Bicolor | Standard (“White & Black”) | Standard (“bi-color”) |
| Tricolor | Standard (“White Black & Tan”) | Standard (“tri-color”) |
| Piebald | Standard (“Piebald”) | No ruling |
| Roan | Standard (“Speckling, ticking and mottling is common, but heavy ticking is undesirable”) | Standard (“The white area may be ticked as long as white predominates”) |
| Sable | Standard (“Sabling is permitted”) | Standard (“Colored areas may have sable overlay”) |
| Spotted | Standard (“Spotted Or Patched”) | No ruling |
| Tan point | Standard (“Tan Points”) | No ruling |
| Brindle | Disqualifying (“Brindle or merle color patterns”) | Disqualifying (“Brindle”) |
| Merle | Disqualifying (“Brindle or merle color patterns”) | Disqualifying (“merle”) |
| Reverse brindle | Disqualifying (“Brindle or merle color patterns”) | Disqualifying (“Brindle”) |
| Double merle | No ruling | No ruling |
| Color or pattern | AKC | UKC |
|---|---|---|
| Gray | Standard (“Gray eyes are acceptable in blue or blue-fawn dogs only”) | Standard (“a dark gray eye with gray eye rims is preferred”) |
| Blue | Disqualifying (“Any blue in the eye(s) is a disqualification”) | Standard (“Blue or amber eyes are permitted in blue-colored dogs only”) |
| Dark brown | Standard (“from darkest brown to hazel”) | Standard (“dark brown”) |
| Hazel | Standard (“from darkest brown to hazel”) | Standard (“Hazel eyes are acceptable in dogs with lighter coat color”) |
| Amber | No ruling | Standard (“Blue or amber eyes are permitted in blue-colored dogs only”) |
| Light brown | No ruling | Fault (“light-colored eyes in a dog with black coat color or black pigment”) |
| Patterns | ||
| Odd-eyed | No ruling | Fault (“both eyes not of matching colors”) |
| Sectoral | Disqualifying (“Any blue in the eye(s) is a disqualification”) | Fault (“eye with iris containing more than one color”) |
| Color or pattern | AKC | UKC |
|---|---|---|
| Black | No ruling | Standard (“The nose is black or self-colored”) |
| Blue | No ruling | Standard (“blue and blue fawn (with self-colored nose)”) |
| Liver | No ruling | Standard (“chocolate ... with self-colored nose”) |
| Pink | Fault (“Flesh-colored noses are considered a fault in lemon or light apricot colorations”) | No ruling |
| Dudley | No ruling | Fault (“Dudley ... nose”) |
| Patterns | ||
| Butterfly nose | No ruling | Fault (“Dudley or butterfly nose”) |
What the rulings mean
- Standard
- Described by the club's breed standard.
- Fault
- Named by the club's breed standard as a fault: the animal can be shown but is penalized.
- Disqualifying
- The club's breed standard disqualifies an animal of this color or pattern.
- Not recognized
- The club does not accept this color or pattern for the breed.
Color changes
How a Rat Terrier's colors can change over its life.
Blackchanges toRust
Coat · With body condition · can change back
Blackchanges toGray
Coat · Progressive
Blackchanges toBrown
Coat · In the sun · can change back
Whitechanges toRoan
Coat · With age · from 2 weeks
Tan pointchanges toSaddle
Coat · With age · from 6 to 156 weeks
Bluechanges toDark brown
Eyes · With age · from 2 weeks
Bluechanges toBrown
Eyes · With age · from 2 weeks
Bluechanges toLight brown
Eyes · With age · from 2 weeks
Bluechanges toAmber
Eyes · With age · from 2 weeks
Bluechanges toHazel
Eyes · With age · from 2 weeks
Bluechanges toYellow
Eyes · With age · from 2 weeks
Blackchanges toSnow nose
Nose · With the season · can change back
Blackchanges toPink
Nose · With the season · can change back
Sources
Each ruling comes from the club's published breed standard or color list.
Meet some of our Rat Terrier
A few of the Rat Terrier profiles members have added to United Pet Club.
About the Rat Terrier: a small, sturdy dog for the Filipino home
The Rat Terrier is a small, sharp American farm dog that adapts well to Philippine homes, from condo units to provincial compounds, given daily exercise and company.
The Rat Terrier is a small working dog that started out on American farms, bred to guard grain stores and yards from rats and other pests. It has a compact, muscled body and a sharp mind, traits that suit a dog meant to work rather than just look good on a leash. Most adults stand 10 to 18 inches tall and weigh roughly 10 to 25 pounds, depending on the line.
Some registries split the breed into two sizes, miniature and standard, though both carry the same alert look and short coat. Rat Terriers stick close to their families and treat every household member as their own. They stay lively well past puppyhood and never quite lose the urge to hunt.
In a Philippine setting, this is a dog for owners who are home often and can commit to a real routine. It fits a gated subdivision, a provincial compound, or even a condo, as long as there is a daily walk, some playtime, and a secure area, since the heat and traffic outside make off-leash freedom risky.
| Attribute | Detail |
|---|---|
| Origin | United States |
| Size | Small (about 10 to 25 pounds) |
| Lifespan | 12 to 18 years |
| Group / role | Terrier, farm dog and vermin hunter |
| Good with | Families, older kids, and households that enjoy an active dog |
Who it suits
The Rat Terrier fits a household that can keep pace with a busy, curious dog. It suits owners who want a small companion that is still tough and athletic enough for an active lifestyle. First-time dog owners can manage the breed if they start socialization early and stick to a consistent routine, since this dog's drive and intelligence need a proper outlet, not a locked gate all day.
History of the Rat Terrier: from American farms to Filipino homes
The Rat Terrier grew out of British terrier stock in the United States and became a common farm and vermin-control dog through the early 1900s.
The Rat Terrier traces back to terriers that British immigrants brought to North America in the nineteenth century. The early stock shared ancestry with the same European working terriers behind the Manchester Terrier and the smooth Fox Terrier.
American farmers crossed these terriers with other breeds to sharpen particular skills. Outcrosses to the Beagle and the Whippet come up often in the breed's background, adding scenting ability and speed to a dog that already knew how to dig and kill. What resulted was a farm dog flexible enough to clear barns and fields of rats and other small pests.
The name Rat Terrier caught on in the early twentieth century, and the breed was a common sight on American farms during that period. As farming methods changed and chemical pest control took over through the mid-1900s, numbers dropped, and the breed held on mainly in rural areas and among dedicated keepers.
Formal recognition came much later. The United Kennel Club recognized the Rat Terrier in 1999, and the American Kennel Club granted full recognition in 2013, placing it in the Terrier Group. In the Philippines, the breed is not yet a PCCI mainstay the way the Aspin or the Labrador is, but interest has grown among local terrier enthusiasts who import or rehome dogs through small, dedicated networks.
Rat Terrier appearance: build, coat, and colors
The Rat Terrier is small, compact, and muscular, with a short smooth coat suited to hot weather, erect or button ears, and a wide spread of color patterns.
The Rat Terrier has a balanced, athletic frame that reads sturdy, not fragile. The body runs slightly longer than tall, with a deep chest, a level topline, and clean muscle that suits a dog built to dig and to move fast in short bursts. The head is wedge-shaped with a moderate stop, and the ears may stand fully erect, fold into a button, or tip at the crown.
Movement is smooth and economical, a leftover from the breed's working days. Small as the frame is, the overall picture is one of strength packed into a compact package.
| Trait | Standard |
|---|---|
| Height | Miniature about 10 to 13 inches; standard about 13 to 18 inches at the shoulder |
| Weight | About 10 to 25 pounds |
| Coat | Short, dense, and smooth |
| Colors | Often pied (white with colored patches); black, chocolate, tan, blue, lemon, and combinations |
| Eyes | Round to slightly oval, dark, with an alert look |
Coat and colors
The coat lies short and close to the body, which keeps grooming simple and shedding moderate, a real plus in a hot, humid climate where a heavy coat becomes a burden. Most Rat Terriers carry a pied pattern, a white base marked with one or more colored patches, though solid and bicolor dogs turn up too. Common colors include black, chocolate, tan, blue, and lemon, often with tan points or ticking. The skin under that short coat is tight, and the thin hair gives little protection against strong air-conditioning or a rare cold snap, so a light shirt helps indoors.
Rat Terrier temperament: family life and street smarts
The Rat Terrier is friendly, alert, and sharp, loyal to its family, watchful of strangers, and quick to chase anything that moves like prey.
The Rat Terrier is affectionate and stays close to its people. It tends to bond with the whole household and often trails family members from room to room, from the sala to the kitchen and back. With children it is usually playful and patient, and it does best with older kids who already know how to handle a small, active dog without rough play.
Around strangers the breed stays alert and sometimes a bit reserved, which suits a culture where visitors, delivery riders, and relatives drop by often. It will bark to announce anyone at the gate and pick up on changes around the house, making it a solid watchdog despite the small size. Early socialization helps it warm up faster once it learns a newcomer is welcome.
With other pets, the record is mixed. Rat Terriers generally get along with dogs they grow up with, but the strong prey drive means small animals such as rodents, rabbits, and sometimes cats can set off a chase, an old habit from its ratting days. A secure fence and close supervision matter, especially in a neighborhood with stray cats and chickens around. The breed is intelligent and learns fast, but that same sharpness turns into stubborn or mischievous behavior when the dog is bored or cooped up too long.
| Trait | Rating |
|---|---|
| Affection | 5 |
| Energy | 4 |
| Trainability | 4 |
| Vocalness | 3 |
| Shedding | 2 |
Rat Terrier care: grooming, exercise, and tropical living
The Rat Terrier needs daily exercise and mental work, but its short coat and easy grooming make it manageable for a busy Filipino household.
Grooming
- Brush the short coat once a week to clear loose hair and spread natural oils.
- Bathe only when needed, since frequent washing in the humid climate can dry out the skin.
- Trim nails every two to four weeks to keep the feet comfortable on tile or concrete floors.
- Check and clean the ears often, especially on dogs with folded tips, since humidity encourages ear infections.
- Brush the teeth several times a week to support dental health.
Exercise
- Set aside at least 45 to 60 minutes of activity daily, split between walks and play.
- Add games that work the nose and the mind, such as scent searches or puzzle feeders, especially during the hottest hours when outdoor time should be limited.
- Provide a securely fenced area for off-leash time, since the prey drive makes recall unreliable around cats, chickens, or stray animals.
- Use structured activities like agility, earthdog work, or flyball where available to burn off extra energy.
Environment
The Rat Terrier adapts to a condo unit or a house with a yard as long as it gets enough daily exercise. It prefers to stay close to its family and can pick up nuisance habits, digging, barking, chewing, when left alone for long stretches, which matters in households where everyone works long hours. The short coat handles Philippine heat well, but walk the dog during the cooler early morning or evening hours and keep fresh water and shade on hand once the sun climbs and the humidity sets in. During typhoon season, keep the dog indoors and away from open windows or flooded yards.
Rat Terrier nutrition: feeding a small, active dog
The Rat Terrier does well on a complete diet made for small, active dogs, with portions measured to prevent weight gain in the heat.
The Rat Terrier needs a balanced, complete diet formulated for its life stage and activity level. An active adult benefits from quality protein to support lean muscle, with calories matched to how much the dog actually moves each day. Because the breed is small and often food-motivated, measure portions rather than leave food out all day, a habit that leads to extra weight, strained joints, and fewer healthy years.
Fresh water should be available at all times, particularly given the heat. Most owners in the Philippines feed a commercial diet labeled complete and balanced, whether local or imported; a home-prepared diet should be planned with a veterinarian to avoid nutritional gaps.
| Life stage | Amount per day | Meals |
|---|---|---|
| Puppy (2 to 6 months) | About 1/2 to 1 cup, by weight and product | 3 to 4 |
| Junior (6 to 12 months) | About 1/2 to 1 cup | 2 to 3 |
| Adult | About 1/2 to 1 cup | 2 |
| Senior | Adjusted slightly down for lower activity | 2 |
Treats and supplements
Keep treats to roughly 10 percent of daily calories and use small pieces for training sessions. Most Rat Terriers on a complete diet do not need extra supplements. Talk to a veterinarian before adding anything for joints, skin, or coat, and cut back the regular meal portion on days with heavy treat use.
Rat Terrier health: what to watch for
The Rat Terrier is generally healthy with a long lifespan of 12 to 18 years, though it can develop a few joint, eye, and dental issues over time.
The Rat Terrier is a hardy breed and often lives 12 to 18 years. Many lines stay sound well into old age, partly because the breed kept its working build instead of drifting toward extreme physical traits. Even so, responsible care and routine vet checks help catch problems early, and a reliable veterinary clinic nearby matters more than fancy equipment. Reputable breeders screen their breeding stock for known issues and share the results with buyers.
| Condition | Signs | Note |
|---|---|---|
| Patellar luxation | Skipping gait, intermittent hind-leg lameness | Common in small breeds; ranges from mild to surgical |
| Hip dysplasia | Stiffness, reduced activity, difficulty rising | Less frequent than in large breeds but possible |
| Dental disease | Bad breath, tartar, gum redness | Small jaws crowd the teeth; routine dental care helps |
| Allergies and skin issues | Itching, ear infections, hair loss | May be triggered by food, humidity, or the local environment |
| Eye conditions | Cloudiness, vision changes | Screening recommended in breeding dogs |
Preventive care
- Schedule annual vet exams, with twice-yearly visits for seniors.
- Keep vaccinations and parasite prevention current, including protection against mosquito-borne heartworm, a real risk in a tropical climate.
- Maintain a healthy weight to protect the joints.
- Brush teeth regularly and book professional dental cleanings as advised.
- Ask breeders for health clearances on patellas, hips, and eyes before bringing a puppy home.
Training a Rat Terrier: quick, food-driven, and consistent
The Rat Terrier is intelligent and learns fast, responding best to short, varied, reward-based sessions that hold its attention.
The Rat Terrier picks things up quickly and enjoys the challenge of training. That same intelligence cuts both ways, since a bored or under-exercised dog will invent its own entertainment, usually at the expense of a slipper or a garden bed. Keep sessions short and upbeat, and end on a win. The breed's prey drive and independent streak mean recall and impulse control take steady, patient work, especially around the cats and chickens common in Filipino neighborhoods.
Socialization should start early. Exposing the puppy to different people, dogs, surfaces, and sounds, including jeepney horns and sudden rain, builds the confident, settled adult this breed can become.
Basics
- Start with name recognition and attention games in a quiet corner of the house.
- Teach sit, down, and stay using small food rewards.
- Build a reliable recall over time, starting on a long line in a safe, enclosed area.
- Add leash manners and gentle exposure to new environments, such as a quiet residential street or a busy public market.
- Bring in enrichment such as scent work or trick training to keep the dog's mind occupied.
Breeding the Rat Terrier: what responsible owners should know
Rat Terriers reach maturity around one to two years, carry litters of about three to six puppies, and need health screening before any breeding plan.
Responsible Rat Terrier breeding starts with health-tested parents and sound temperaments, not a quick litter for extra income. Females generally should not be bred until fully physically mature, often after the first year and once health clearances are complete. Gestation runs about 63 days from conception, and litter sizes for the breed typically fall between three and six puppies, though smaller and larger litters happen.
Raising the litter calls for a clean, warm whelping area, kept away from drafts and extreme humidity, along with close monitoring of the dam and pups in the first weeks. Puppies should stay with the mother and littermates until at least eight weeks, which supports healthy social development. Gentle handling and varied exposure during this window help produce well-adjusted adult dogs. Breeding is best left to people who can commit to proper screening, lifelong support for the puppies they produce, and careful vetting of the homes those puppies go to.
| Metric | Value |
|---|---|
| Sexual maturity | About 6 to 12 months (breed later, after full maturity) |
| Recommended breeding age | After about 1 to 2 years, with health clearances |
| Gestation | About 63 days |
| Average litter size | About 3 to 6 puppies |
| Weaning age | About 6 to 8 weeks |
| Earliest rehoming | 8 weeks or later |
Registering your Rat Terrier and its microchip in the Philippines
The city vet office handles the RA 9482 paperwork; a free United Pet Club record is what a finder anywhere can actually search for your Rat Terrier.
How to register a Rat Terrier in the Philippines
A Rat Terrier that gets loose during a storm is identified by whatever record answers the scan, not by the barangay it came from. Give it a record that answers: your mobile number, the dog's photo, and his details, free for life with United Pet Club. Register your dog today and it is done for good.
If a vet has already implanted a chip, the number still has to be filed where a scanner can trace it, because an unfiled chip points at nobody. Register the microchip free on the lifetime plan: any brand sold in the Philippines qualifies, updates after you move house or change SIM cost nothing, and the record stays searchable here and abroad. Create your free account and cover both in one go.
How do I register my Rat Terrier in the Philippines?
Open a free United Pet Club account, add your Rat Terrier's details and a photo, then save the profile. It stays free for his whole life and sits alongside the city vet office registration RA 9482 requires.
How do I register my Rat Terrier's microchip?
Type the 15-digit chip number into your free account together with your mobile number and address. The lifetime plan charges nothing for the registration or for any update, whatever brand the clinic used.
Is registration required for a Rat Terrier in the Philippines?
Yes, RA 9482 requires dog registration with your city or municipal veterinary office, along with current anti-rabies vaccination. The United Pet Club profile is the searchable half: free, worldwide, and tied to your current mobile.
How much does it cost to register a Rat Terrier?
Nothing. The free lifetime plan covers the profile, the microchip record, and every update, with no renewal fees at all.
Rat Terrier FAQs for Filipino owners
Common questions about Rat Terrier size, temperament, care needs, lifespan, suitability, and where to find one in the Philippines.
How big does a Rat Terrier get?
Rat Terriers are small dogs. Miniatures stand about 10 to 13 inches tall and standards about 13 to 18 inches, with weight ranging from roughly 10 to 25 pounds depending on the type and the individual dog.
Is the Rat Terrier a good family dog?
Yes. It is friendly and affectionate with its family and usually playful with children, doing best with older kids. Early socialization helps it settle around visitors, household help, and other pets.
Is the Rat Terrier hard to take care of?
Grooming is easy thanks to the short coat, but the breed is high energy and sharp. The main work is meeting its daily exercise and mental stimulation needs so it does not develop boredom habits like digging or excessive barking.
How long does a Rat Terrier live?
The breed is long-lived for a dog, often reaching 12 to 18 years with good care, a healthy weight, and routine vet visits.
Does a Rat Terrier get along with cats and other small pets?
It depends on the dog. Rat Terriers can live well with cats and dogs they grow up with, but the strong prey drive means small animals like rodents and rabbits, and sometimes neighborhood cats, may get chased. Supervision and a secure yard matter.
Where can I get a Rat Terrier in the Philippines?
The breed is not widely available locally and is not yet a common PCCI entry, so most Filipino owners work with small importers, overseas breeders, or dedicated terrier networks. Expect a wait for a specific color or line, and always ask for health clearances before committing.
Does a Rat Terrier bark a lot?
It is alert and will bark to announce visitors or unusual activity, which makes it a good watchdog for a gated home or compound. Excessive barking usually points to boredom and improves with enough exercise and training.
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