Spend the day in the life of a detection dog Tucker the beagle is more than just a friendly face at the airport. As part of the "Beagle Brigade," he helps keep out invasive species that could hurt the environment. It's a job that would be almost impossible for humans--but for Tucker, it's all in a day's work. Told from the dog's perspective, this story also includes back matter about the breed and role of the working dog.