Additional information (Wiki): A bloodhound (also known as the St. Hubert hound) is a large breed of dog famed for its ability to follow scents hours or even days old over great distances. The combination of keen nose and powerful drive to track give it its place as top scenthound and have led it to be used to track escaped prisoners, missing persons, and even missing animals.

This breed is a gentle dog which is nonetheless tireless in following a scent. Because of its strong tracking instinct, it can be willful and somewhat difficult to obedience train. Bloodhounds have an affectionate, gentle, and even-tempered nature, so they make excellent family pets. However, like any large breed, they require supervision when around small children because they can knock them over with their bulk. Bloodhounds are also characterized by a stubborn "what's-in-it-for-me?" attitude, a likely cause (in conjunction with their size and propensity for excessive drooling) for the high rate, in comparison with other breeds, of bloodhounds given up for adoption once full-grown

The bloodhound's physical characteristics account for its ability to follow a scent trail left several days in the past. Under optimal conditions, a bloodhound can detect as few as one or two cells. The bloodhound's nasal chambers(where scents are identified) are larger than those of most other breeds. The large, long pendent ears serve to prevent wind from scattering nearby skin cells while the dog's nose is on the ground; the folds of wrinkled flesh under the lips and neck—called the shawl—serve to catch stray scent particles in the air or on a nearby branch as the bloodhound is scenting, reinforcing the scent in the dog's memory and nose.