Bird Sounds
Common Birds and Their Songs (Book and Audio CD)
Echoes of Nature: Morning Songbirds
A Field Guide to Bird Songs: Eastern and Central North America (Peterson Field Guides)
Songbirds: A Surround Sound Experience [SACD]
Bird Sounds - Morning Birds for Relaxation, Meditation, Yoga , Naturescapes, Forest Ambience and Spa
Bird Songs from the Amazon Rain Forest
Birding by Ear: Eastern/Central (Peterson Field Guides)