Breed of terrier developed in Ireland, one of the oldest terrier breeds. It stands 16–18 in. (41.5–46 cm) high, weighs 22–26 lbs (10–12 kg), and has a wiry golden-red to reddish brown coat. Nicknamed the daredevil, it is reputedly adaptable, loyal, spirited, and recklessly courageous. It served as a messenger and sentinel in World War I, and has been used to hunt and to retrieve game.