The Welsh Terrier is a medium-sized dog breed known for its spirited personality, intelligence, and distinctive wiry coat. These dogs typically weigh between 15 to 20 pounds and stand around 12 to 15 inches tall at the shoulder. Welsh Terriers have a sturdy and well-proportioned build, with a dense, wiry coat that is typically black and tan or grizzle in color. They have a keen and alert expression, with dark, almond-shaped eyes and V-shaped ears that fold forward.