American Staffordshire Terriers descend from the bull-and-terrier dogs brought from Britain in the 1800s, and the American Kennel Club recognized the breed in 1936. They're stocky, muscular, medium-sized dogs, usually 40 to 70 pounds, with a broad head, pronounced cheeks and a short, glossy coat in nearly any color. That coat takes little work: a bath every month or two, or whenever the dog gets muddy.
Many AmStaffs are confident, goofy and devoted to their people, and they love leaning on whoever's on the couch. Their strength calls for solid leash manners and early training, and some dogs are selective or intolerant with other dogs even when well socialized. Breed alone doesn't decide how a dog behaves, so each dog deserves to be met on its own terms. AmStaffs are often grouped with pit bull types, which can matter for renters and insurance.