Are the Tenterfield Terrier and the  American Staffordshire Terrier both medium sized dogs?
Tenterfield Terrier: Australian in development, the forebears of the Tenterfield Terrier accompanied British settlers en route to Australia by ship. Tenterfield Terrier:  The forebears of these small dogs had been bred by hunters in Britain, typically for ratting. American Staffordshire Terrier: The American Staffordshire Terrier, also known as "Amstaff" (in the United States) or simply "Stafford", is a medium-sized, short-coated American dog breed.
no