The Pet Atlas

Breed Dogs Terrier

Rat Terrier

Clean-cut terrier with bright busyness and easy confidence

At a glance

Basic requirements and commitment level

Daily requirements

Activity
Medium
Exercise
Medium
Mental stimulation
High
Trainability
High
Vocality
Medium
Health sensitivity
Medium
Grooming
Low
Shedding
Low
Temperature sensitivity
High

Context & compatibility

Size
Small
Lifespan
12–18 years
Body weight
10–25 lb
Height
10–18 in
Apartment suitability
Can Adapt

Is this right for you?

Common scenarios where this breed tends to fit well or less well

A good match

  • Like an alert companion that thrives on small "jobs" and staying involved with the household
  • Want a lively, clever small dog and enjoy a mix of walks, play, and training games

Not ideal

  • Want a very quiet dog or one that never fixates on critters and outdoor movement
  • Prefer a dog that's content with minimal engagement and won't invent its own entertainment

Social & behavior

Temperament and interaction style

Personality & activity

Quick, clever, and playful, often flipping from cuddle mode to chase mode in seconds. Many get very into toys and games that feel like hunting.

Handling & social style

Usually friendly and responsive, especially with early socialization. Upbeat training and steady routines keep handling easy.

Care & health

Setup, routines, and health considerations

Care overview

A practical, energetic companion—care is daily movement, training, and enough enrichment to satisfy a busy brain.

Environment & space

Very adaptable; apartments can work if exercise is consistent, and secure areas help manage chase instincts.

Daily routine

Daily walks plus play and quick training games. They do well with speed-and-focus activities and scent-based fun.

Health sensitivities

Keep conditioning steady and stay mindful of dental comfort; prioritize reputable breeding practices.

Grooming / coat

Short coat with minimal grooming; occasional brushing and routine nail care.

Background

Origins and how that history shapes what you see today

Origin region

United States

Background

Developed in the United States in the early 1900s as a practical farm dog, the Rat Terrier was built for vermin control and general utility. It needed speed, sharpness, and partnership with people. Today, many are smart and athletic, often excelling when training feels like a game rather than a chore.