The Bull Terrier is a medium-sized dog with a distinctive âegg-shapedâ head that gives it a recognizable appearance. Its height at the withers is about 35â40 cm, and its weight ranges from 20 to 30 kg, depending on gender and individual characteristics. One of the most striking features of the Bull Terrier is its unusual head: broad at the top and tapering toward the nose, creating a unique look. The ears are upright, small, and add to the breed's distinctive expression. Bull Terriers have short, smooth, and shiny coats. Their coloration can vary and includes white, black, red, red-and-white, tricolor, and even brindle. The Bull Terrier has a strong and muscular build. These are impressive dogs with powerful bodies, often appearing much more aggressive than they actually are.