In the race to save endangered species, finding solutions now is critical. Canine detectives like Camas are on the case, using their super sense of smell to locate the scat of target animals. From loose bear dung to gooey whale excrement, scat can tell scientists a lot about an animal - without harming the animal or putting the researcher in danger.

A new job for Freddie? -- The nose knows: the science behind super sniffers -- School is in session: training a scat-detection dog -- Into the wild: gathering Grizzly scat -- On the open sea: tailing whales -- Beyond poop: finding tortoises, turtle eggs, and owl pellets -- Invasion!: The hunt for harmful insects, snails, and snakes -- Frequent flyers: finding scat around the world -- Conclusion: It's a dog's life.