Most dogs with long ears were bred to follow prey over vast distances. Dogs with long ears include Bloodhounds, Basset Hounds and Beagles.

Bloodhounds are so precise that they can differentiate the smells of identical twins, said Stephanie White, who coordinates training seminars that draw dogs and handlers from around the U.S. to ...

Bloodhounds are also independent, a key trait for searches. “When it gets to be a difficult search they don’t look to you for help, that they go forth themselves,” Heck said.