Meet a new kind of working dog: the eco dog! These heroic hounds team up with wildlife scientists to help save endangered animals and habitats all over the world. Using their super sense of smell, eco dogs track down invasive species, collect samples from endangered animals, and stop the smuggling of rare animals. These dogs have helped protect animals like grizzly bears, sea turtles, and cheetahs! It takes a special kind of dog to do this kind of work, however. Only a dog that has lots of energy, good concentration, and enjoys working with a trainer has what it takes to become an eco dog. Packed with real-life stories and dramatic, full-color photos of eco dogs at work, this book is sure to be a favorite of dog lovers everywhere.