Uh, they use beagles for sniffing for all kinds of things: drugs, bombs, even termites.
That said, German Shepherds are an interesting case because, as I understand it, their breed standard is actually a behavioral standard: they have to be able to perform a certain level of obedience, tracking, and bite work (think big leather gloves) to get papers.
That said, German Shepherds are an interesting case because, as I understand it, their breed standard is actually a behavioral standard: they have to be able to perform a certain level of obedience, tracking, and bite work (think big leather gloves) to get papers.