some info:
Introduction
Is it an Airedale puppy?
Is it a Wire Fox Terrier?
No, it's a Welsh Terrier, the Welsh version of a feisty, go-to-ground kennel dog bred to eradicate vermin from welsh farms. Closely resembling the Lakeland Terrier, which developed in Britain's northern Lake District for similar purpose, Welsh Terriers were housed with the hounds, ran with the pack, and climaxed the chase by going underground after otter, fox, or badger.
The Welsh have had purebred strains of dogs for more than 1000 years. In its native Wales, the terrier was referred to as daeargi, which