Parson Russell Terrier (PRT)

The Parson Russell Terrier is a small-sized dog belonging to the Terrier Group. Originally from England, the breed carries that working heritage in its build and temperament. It currently ranks #112 in AKC registration popularity. Adults typically stand 13–14 inches (33–35.6 cm) at the shoulder and weigh 13–17 pounds (5.9–7.7 kg), with males at the upper end of those ranges.

Published breed data puts a typical Parson Russell Terrier lifespan at 13–15 years. The main levers behind that number are body size (smaller dogs usually outlive bigger ones), genetics, and how consistently a dog stays lean, exercised and current on preventive veterinary care. On the size-related aging curve, small-sized breeds like this one age at a moderate pace. Owners who keep the weight off and the teeth clean reliably see the upper half of the range.

Underestimate the exercise needs and behavior problems follow: this breed was built to move. This breed is highly trainable and typically picks up new commands quickly. With socialization, children and this breed get along well; supervise the early years. This breed typically gets along well with other dogs and pets.

Apartment suitability is high — size and temperament make compact living realistic. You will find relatively little hair around the house thanks to low shedding. Grooming needs are minimal: occasional brushing and routine nail care suffice. No low-shedding claim applies here. Allergy sufferers should spend time with the breed before committing.

We benchmark every breed against the other 151 in our data: at an average 6.8 kg sits heavier than 20% of them. That position has practical weight, so to speak: food portions, crate sizing and dose-sensitive medications all scale with it. All figures on this page come from the AKC breed profile cited below, and the calculators linked here use those same numbers for feeding portions, crate sizing, age conversion and first-year costs. Because breed-specific health risks affect veterinary spending, comparing pet insurance while your dog is young and healthy is usually worthwhile.