It is impossible to confuse the Bull Terrier with any other breed of dog. His ovoid shaped head is unique and is his alone.
His "Roman nose" profile from his ancestor is unique on the whole planet. No other breed can be physically compared to him.
His gladiatorial body is compact and very solid. This ball of muscles leaves a singular and special impression.
Height
Between 35 and 50 cm (13.78 to 19.69 inches) for the male
Between 35 and 50 cm (13.78 to 19.69 inches) for the female
Weight
Between 20 and 40 kg (44.09 to 88.18 pounds) for the male
Between 20 and 40 kg (44.09 to 88.18 pounds) for the female
Color
Different colors are allowed for the dress. White, red, brindle and tricolor are among the possibilities but the color must predominate over white for coloured dogs. For the totally white coat, spots are acceptable if they are located on the head.
Hair
His hair is short and he has no undercoat.
Morphology
His egg-shaped head with a "Roman nose" is unique in the world and his skull is almost flat. His narrow eyes are in triangle shape. They are very dark or simply black. His ears are straight on the head. His nose is black. His short tail is carried horizontally.
According to the FCI breeds nomenclature, this breed belongs to group 3, section 3 and is #11