Rat Terrier
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Is the Rat Terrier Right For You?
YES, if you are…
Apartment dwellers, seniors, and families with older (gentle) children. People with active lifestyles, runners, hikers, dog-sport enthusiasts, who can deliver daily, vigorous exercise. First-time and seasoned owners alike, provided they commit to consistent positive-reinforcement training. Families with respectful children are usually a great fit. Adaptable enough for apartment living when daily exercise is non-negotiable. Above all, the ideal Rat Terrier owner understands the breed's terrier-group heritage from United States and is prepared to honor those instincts with appropriate outlets, structure, and the kind of patient, daily commitment this breed deserves.
NO, if you are…
Households where rough-and-tumble large dogs or very active toddlers might injure them. Sedentary households or owners who travel frequently without a plan for daily, vigorous exercise. Anyone who plans to skip foundational obedience entirely, even an "easy" breed needs structure to thrive. Apartment dwellers in noise-restrictive buildings, or owners who need long stretches of quiet for work-from-home calls. Anyone unwilling to research the specific health risks common in the Rat Terrier (notably patellar luxation and hip dysplasia) and budget for the preventive care that follows.
Fun Facts about the Rat Terrier
- President Teddy Roosevelt is said to have named the Rat Terrier after his own terrier cleared rats from the White House.
- The Rat Terrier originated in United States, where the breed was developed for purposes that still influence their behavior today.
- As a Terrier Group breed, the Rat Terrier shares structural and temperamental traits with other breeds developed for the same kind of work.
- A typical Rat Terrier lifespan is 12-18 years, meaning families should plan for that full commitment when bringing one home.
Common Misconceptions about the Rat Terrier
Terriers are often misread as small lap dogs because of their size. In personality they're tenacious, prey-driven, and quick to react, closer to a working dog in a small package than a true companion-bred toy. A daily walk around the block is not "exercise" for a high-energy breed like the Rat Terrier. They need real, sustained activity that engages both body and brain. One specific point worth correcting about the Rat Terrier: their United States origin and terrier-group heritage shape behavior in ways the casual observer often misses, including their reaction to patellar luxation risks and the level of socialization they actually need from puppyhood onward.
Quick Facts
10-25 lbs
10-18 in
12-18 years
Short
Any variation of pied patterning
Low
High
Easy
Frequent
Yes
Rat Terrier Temperament
Friendly, Lovable, Inquisitive
Exercise & Grooming
Exercise Needs
30-45 minutes daily
Grooming
Weekly brushing
Grooming Guide
Weekly brushing. Coat care is centered on weekly brushing. Short coats are forgiving but still benefit from a weekly rubber-curry session for skin health. Their short coat sheds very little, which suits owners who prefer a tidier home, though "low-shedding" never means "no maintenance." Trim nails every 3–4 weeks, check ears weekly for redness or odor, and brush teeth daily or use vet-approved dental chews.
Rat Terrier Health
Common Health Issues
Patellar luxation, hip dysplasia, allergies
Diet & Nutrition
Feed a high-quality, AAFCO-certified diet appropriate for the Rat Terrier's life stage and small size. Active Rat Terriers burn meaningful calories, match portions to their actual workload, not generic feeding-chart numbers. Small breeds can be prone to hypoglycemia as puppies, multiple smaller meals per day during the first six months helps prevent it.
Health Care
The Rat Terrier has an average lifespan of 12-18 years, which is their long lifespan means a 12-to-16-year commitment is realistic, a meaningful chapter of any owner's life. Breed-specific concerns to discuss with your vet include: patellar luxation, hip dysplasia, allergies. Reputable breeders screen breeding stock for these conditions, so always ask to see health clearances before committing to a puppy. Beyond breed-specific issues, follow the standards of good preventative care: a core vaccine schedule, year-round parasite prevention, regular dental cleaning, and an annual senior workup once your dog passes the midpoint of their expected lifespan. Small breeds are particularly prone to dental disease; daily brushing or a vet-approved dental routine is one of the highest-impact things you can do for their long-term health.
About the Rat Terrier
History
The Rat Terrier's lineage traces back to United States, where the breed was developed for going to ground after rats, foxes, and other vermin that threatened farms and homes. Centuries of selective work shaped the temperament, structure, and instincts you see in the breed today, and many of those original drives remain, even in dogs that will spend their lives as family companions. As a member of the Terrier Group, developed to dig out and dispatch vermin with bold, tenacious courage, the Rat Terrier carries hallmark traits of the group, visible in everything from how they move to how they read situations. The Rat Terrier is one of the rarer breeds on the AKC roster, which means finding a responsible breeder takes more patience and travel, but also that the breed has avoided much of the damage done by mass-market puppy production. An often-cited piece of breed history: President Teddy Roosevelt is said to have named the Rat Terrier after his own terrier cleared rats from the White House.
Personality
Owners who live with the Rat Terrier consistently describe them as friendly, lovable and inquisitive, a personality shaped by generations of purposeful breeding. In daily life this shows up as strong daily energy that needs consistent, vigorous activity, paired with a temperament that is eager to learn and quick to pick up new commands. With family they are generally great with children, friendly with other dogs when properly socialized, and friendly with new people when properly socialized; they're vocal and quick to alert you to anything new. They can adapt to apartment living when their daily activity needs are met, but a tired dog is the real prerequisite, not square footage. Their compact size makes them easy to transport and accommodate, though it also means they can be fragile around very young children or large, rough-playing dogs. Above all, the Rat Terrier thrives when their physical and mental needs are taken seriously, under-stimulated, even the gentlest individuals can develop frustrating habits, while a well-exercised, mentally engaged Rat Terrier is genuinely one of the best companions you can ask for.
Living With a Rat Terrier
Plan on 60+ minutes of meaningful daily activity, broken into multiple sessions if possible. They can adapt to apartment living when their daily activity needs are met, but a tired dog is the real prerequisite, not square footage. Within the household, expect a dog who is generally great with kids and friendly with cats when properly socialized. On the noise front, they're vocal and quick to alert you to anything new, important to factor in if you have close neighbors or work-from-home calls. Their long lifespan means a 12-to-16-year commitment is realistic, a meaningful chapter of any owner's life.
Training
Rat Terriers are eager to learn and quick to pick up new commands. Positive-reinforcement methods, food, play, and genuine praise, work far better than corrections; this breed in particular shuts down or grows resistant under harsh handling. Because of their high energy, training sessions are most productive after exercise, not before, a tired Rat Terrier learns faster than a fresh one. Early, frequent, and varied socialization between 8 and 16 weeks is critical, especially given their more reserved disposition toward strangers. Specifically work on a "quiet" cue from puppyhood, left untrained, this breed's vocal nature can become a real lifestyle issue.
Frequently Asked Questions about the Rat Terrier
Is the Rat Terrier a good family dog?
Yes, the Rat Terrier is generally an excellent family dog. With children they are generally great with children, and they're vocal and quick to alert you to anything new. As with any breed, success depends on early socialization, supervised interactions, and teaching children how to respect the dog's space.
How much exercise does a Rat Terrier need?
Plan on 60+ minutes of meaningful daily activity, broken into multiple sessions if possible. Plan for daily, structured activity rather than relying on backyard time alone, under-exercised Rat Terriers commonly develop boredom-driven habits like chewing, digging, or excessive vocalization.
Are Rat Terriers easy to train?
Rat Terriers are eager to learn and quick to pick up new commands. Positive-reinforcement methods, food, play, and genuine praise, work far better than corrections. Start training in puppyhood and keep sessions short and frequent.
How much do Rat Terriers shed?
Their short coat sheds very little, which suits owners who prefer a tidier home, though "low-shedding" never means "no maintenance."
What is the lifespan of a Rat Terrier?
The typical Rat Terrier lifespan is 12-18 years. Their long lifespan means a 12-to-16-year commitment is realistic, a meaningful chapter of any owner's life. Common breed-specific health concerns to discuss with your vet include: patellar luxation, hip dysplasia, allergies.
Can Rat Terriers live in an apartment?
They can adapt to apartment living when their daily activity needs are met, but a tired dog is the real prerequisite, not square footage.
Is the Rat Terrier good with other dogs?
The Rat Terrier is friendly with other dogs when properly socialized. Early, ongoing socialization between 8 and 16 weeks is critical, and adult introductions should always be on neutral ground with both dogs on loose leashes.
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