bloodhound, also called St. Hubert hound, breed of dog unsurpassed by any other in scenting ability and from which most of the scent-hunting hounds have been derived. It was known, although not in its present form, in the Mediterranean area in pre-Christian times. The breed’s name derives from its “blooded,” or purebred, ancestry. Typically calm and affectionate, it has been used in tracking animals and in trailing persons for law enforcement or rescue operations. A large, strong dog, it…