The Amstaff can be a bit shorter than the American Pit Bull, with less height variation allowed for show dogs. Males are between 18 and 19 inches in height and weigh up to 70 pounds. Females are ...

Conversely, breeders of the American Staffordshire Terrier aimed for a more refined dog, focusing on appearance and temperament, leading to its recognition by the American Kennel Club (AKC ...