2. The Lifesavers

Border Collies at a South African airport work to prevent bird/aircraft collisions; a Sprocker Spaniel and Anatolian Shepherd save lives in the British countryside.

3. The Partners

A German shepherd mix and an L.A. firefighter search for mudslide survivors; spaniels search for underground water leaks; a Labrador learns to read.

4. The Protectors

A blind woman gets a running mate; a Jack Russell cares for species; a pack of dogs protects rhinos in Kenya; a Border Collie protects visitors in Glacier National Park.

5. The Scent Detectives

Another conservation detection dog highlighted is Dio, a whale scat sniffing dog formally with the University of Washington and now with a rough and rowdy outfit of sniffer dogs aptly named Rogue Detection Teams.