Learn all about working dogs that aid humankind in all aspects of life. See guide dogs, bomb-sniffing dogs, drug-sniffing dogs, cancer-detecting dogs, military dogs and survivor-rescue dogs in action. Understand which breeds are better for each of the aforementioned specialties. Study which behavioral characteristics and biological traits make certain breeds uniquely qualified for the work they do. Meet Bloodhounds, Bassett Hounds, Beagles, St. Bernards, German Shepherds, Golden Retrievers, Labradors and more!