Know Your Bird Sounds: Common Western Species (with audio CD) (The Lang Elliott Audio Library)
Kevin Colver and Lang Elliott have recorded thousands of bird sounds throughout the years. Elliott is the author of Know Your Bird Sounds Volume 1 (9780811729635) and Volume 2 (9780811729642), Guide to Wildlife Sounds: Calls of Frogs and Toads (9780811731904), and Guide to Night Sounds (9780811731645).