Rat Terrier
Terrier Group · Purebred · America's farm dog — scrappy, smart, and named by a US President
10–25 lbsWeight
10–18 inHeight
12–18 yrsLifespan
HighEnergy
Terrier Group · Purebred · America's farm dog — scrappy, smart, and named by a US President
Watch this video for a quick overview of the Rat Terrier — see the breed in action before diving into the details below.
The Rat Terrier is a uniquely American breed, developed on U.S. farms in the early 1900s from a mix of English terriers brought by working-class immigrants and crossed with Beagles, Whippets, Italian Greyhounds, and other breeds to create a versatile, fast, intelligent farm dog. They were the all-purpose working dog of the American farmer — killing rats in the granary, hunting rabbits and squirrels for the table, and serving as loyal family companions at the end of the day.
Rat Terriers are compact, muscular, and extraordinarily alert. They come in two AKC-recognized sizes — Miniature (under 13 inches) and Standard (13–18 inches) — and in a dizzying variety of coat colors and patterns. They are curious, energetic, and surprisingly affectionate — far more of a snuggler than the typical terrier stereotype suggests. Despite their farm origins, they adapt well to suburban life and are excellent with active families.
Real Rat Terriers — browse photos showcasing their look, size, and personality.
Rat Terriers are known for being independent and spirited. They form deep bonds with their families and thrive on consistent human connection. As a high-energy breed, they are best matched with active owners who enjoy outdoor activities and can commit to regular exercise.
Training is generally a pleasure with Rat Terriers — they are responsive, motivated, and pick up commands quickly. They are typically gentle and patient with children, making them a reliable family companion.
Rat Terriers are high-energy dogs that need significant daily exercise to stay physically and mentally healthy. Without adequate activity they can become restless, vocal, or destructive. They are happiest with owners who genuinely enjoy an active lifestyle.
Rat Terriers have a dense double coat built for protection against the elements. They shed year-round with two major blow-out seasons in spring and fall. Regular brushing dramatically reduces the amount of hair around your home and keeps the coat healthy.
Rat Terriers are highly responsive to training and genuinely enjoy learning. Their combination of intelligence and eagerness to please makes them a joy to work with — they pick up new commands quickly and retain them well.
Keep training sessions varied and engaging to prevent boredom. Rat Terriers can handle advanced training — agility, nose work, therapy work, or competitive obedience are all excellent options for channeling their intelligence.
Rat Terriers are generally healthy for their size, though regular screening helps catch issues early. Responsible breeders screen breeding stock for the most common conditions, significantly reducing risk in puppies from health-tested parents.
A Rat Terrier is ideal for active families or individuals who genuinely enjoy outdoor activities and can commit to daily vigorous exercise. Their trainability makes them approachable for first-time owners who are prepared for an engaged lifestyle. Not the right fit for sedentary households or those with very limited time for exercise.
Rat Terriers need consistent, well-portioned meals matched to their life stage. Overfeeding is one of the biggest health risks for any dog — use these guidelines and adjust based on your dog's activity level and body condition.
These are general guidelines for a small-breed dog. Always check the feeding instructions on your specific food brand, and adjust based on activity level and body condition score.
Look for dog foods where the first ingredient is a named protein — chicken, beef, salmon, or lamb. Small-breed formulas are calibrated for their metabolism and nutritional needs.
These common human foods can be toxic — even life-threatening — for dogs. Keep them safely out of reach at all times.
Always bring your Rat Terrier's regular food when boarding. Switching food suddenly can cause digestive upset. Provide the facility your exact feeding schedule and portion sizes.
The upfront cost of a Rat Terrier is just the beginning. Here's a realistic breakdown of what to expect — both to acquire one and to own one for their lifetime.
Beyond the purchase price, owning a Rat Terrier costs between $100–$180 per month on average. Here's where the money goes:
Over a 12–15 year lifespan, a Rat Terrier typically costs between $8,000–$18,000 total — depending on health, lifestyle, and the services you use.
Pet insurance is worth considering for any breed. Buying before your dog turns 1 gives the best rates and fewest pre-existing condition exclusions. Compare 2–3 providers before committing.
Because Rat Terriers have such wonderful traits, they're a popular choice for intentional mixed breeding. Here are the most common — and most loved — Rat Terrier crosses.
Rat Terrier × Chihuahua (Rat-Cha). Tiny, bold, surprisingly affectionate pocket terrier.
Rat Terrier × Beagle (Raggle). Scent-driven, cheerful, compact outdoor companion.
Rat Terrier × Jack Russell. Double terrier energy — spirited, clever, unstoppable.
Rat Terrier × Dachshund (Toy Rat Doxie). Long-bodied, tenacious, surprisingly cuddly.
Rat Terriers are full of surprises. Here are some of the most fascinating, funny, and heartwarming facts about this breed.