They come probably from the Old English Black and Tan Terrier Old English Broke Haired Terrier and from the Fox-Terrier. In Wales , they were used in hunting packs for skirmish foxes, badgers and otters. The Kennel Club recognized the breed in 1886. Its standard was modified in 1947.
- Head.
Long with plain skull. Stop little marked. Strong jaws.
- Eyes.
Small and dark.
- Ears.
Implanted quite high, small and v-shaped, oriented straight forward and close to the cheeks.
- Body.
Compact, neck with an average longitude, slightly curved. Low chest. Strong hindquarters. Short and strong back.
- Limbs.
Wide, muscular, with great skeleton. Small and round feet (cat feet).
- Tail.
Not very high.
- Fur.
Hard, wired, dense and plentyful. The absense of sub-fur is considered a defect.
- Colour.
Much better black and fire, black-grey and fire without black spots (pencil touch) in the fingers.
- Height.
39 cm or less.
- Weight.
Between 9 and 9 and a half kilograms.