In this episode of BirdNoir, Michael Stein — Private Eye — gets a call from a friend, Danny, who wants to know why the bluest bird he’s ever seen has vanished. But there are many birds that are blue besides the true bluebirds (which belong to the thrush family). To solve the mystery, the detective needs to know the right questions to ask Danny, finding the relevant information to identify the bird and figure out what happened. Learn more at BirdNote.org.