| − | A '''bloodhound''' is a [[dog]] with long ears. Bloodhounds have been used by [[humans]] for their keen sense of [[smell]] in locating various objects, such as runaway [[slaves]], wounded [[animals]], and missing persons. | + | A '''bloodhound''' is a [[dog]] with long ears. Bloodhounds have been used by [[humans]] for their keen sense of [[smell]] in locating people, such as runaway [[slaves]] and missing persons. |