These Dogs Sniff Out Wildlife Crime, a CNN Great Big Story

At this very moment, with their noses to the ground, four-legged heroes are actively defending our planet. With keen olfactory systems and an ability to read human behavior, dogs are not only [wo]man’s best friends—they’re indefatigable allies in the fight for conservation. Based in Montana, Working Dogs for Conservation trains rescue dogs to sleuth out everything from illegal poaching to invasive species.