Jack Russell Terrier: Jack Russell Terriers are renowned for their tenacity and agility when it comes to hunting rats.

Rat Terrier: As the name suggests, Rat Terriers are skilled at ratting. They are small, energetic, and efficient at catching rodents.

Border Terrier: Border Terriers were originally bred to hunt foxes and vermin. They are fearless and determined in chasing down small prey.

Norfolk Terrier: Norfolk Terriers are small but feisty ratters. They have a strong instinct to hunt and can be quite efficient in catching rodents.

Miniature Schnauzer: Miniature Schnauzers have a keen hunting instinct and a strong desire to chase and catch small animals, making them excellent ratters.

Cairn Terrier: Cairn Terriers, known for their role as "Toto" in "The Wizard of Oz," are skilled at hunting small game, including rats.

Fox Terrier: Fox Terriers, both smooth and wire-haired, are enthusiastic hunters with a strong prey drive.

West Highland White Terrier (Westie): Westies have a strong hunting instinct and were originally bred to hunt small game, including rats and other vermin.

Airedale Terrier: While Airedales are larger than many ratter breeds, they are still skilled at hunting and have been known to tackle larger prey like rats with success.