The American Pit Bull Terrier is the most common and well-known type of pit bull dog.
Nearly identical to Pit Bull Terriers, the American Staffordshire is another popular bully breed.
The Staffordshire Bull Terrier is a smaller pit bull-type from England used for dog fighting.
The American Bully is a recently formed pit bull-type breed developed for a stocky, muscular build.
Bred from Old English Bulldogs, the American Bulldog is a working farm dog related to pit bulls.
The Bull Terrier's egg-shaped head makes it stand out from other pit bull-derived breeds.
The large, muscular Cane Corso hails from Italy and has some pit bull ancestry.