His color is usually white, and sometimes there can be red or black markings on his head. Besides purely white dogs, Bull Terriers can be black, red, fawn or multicolored, with the color white showing mainly on the head, neck and legs.
The Pit Bull Terrier bred in the USA is also a fighting dog. As a result of violent training for dog fighting they can become quite dangerous, and in many countries keeping Pit Bulls is illegal.