A short-legged working terrier that must be small and narrow enough in the chest to go to ground when required.

[2] However, in the United States there is a concerted effort to return the Lucas Terrier to the small, workmanlike dog of its origin, and it is increasingly found at sporting trials.

[3] It is similar, but bull terrier was also used, and the dog developed a reputation for quarrelsomeness.

[citation needed] Of the major kennel clubs in the English-speaking world, only the United Kennel Club (US) recognises the Sporting Lucas Terrier, in their Terrier Group.

[4] It may also be recognised by any of the very large number of specialty dog clubs, dog sports clubs, minor registries, and internet based breed registry businesses.