American Staffordshire terrier, Staffordshire terrier, American pit bull terrier, pit bull terrier
['Bernese mountain dog', 'coyote, prairie wolf, brush wolf, Canis latrans', 'Tibetan mastiff', 'giant schnauzer', 'red wolf, maned wolf, Canis rufus, Canis niger', 'Lakeland terrier', 'Chihuahua']