Border Terrier - Dogs of Britain
https://dogsofbritain.com/border-terrier18.12.2021 · Border Terriers are one of Britain’s oldest Terrier breeds. They were developed along the border of Scotland and England by farmers and shepherds. An agile Terrier was needed to defend the sheep from the Hill Fox. Borders were small enough to fit into the dens of foxes but big enough to keep up with huntsmen on horses.