The Bird Song Identiflyer just might revolutionize the learning of bird songs! -- - Plays digitally recorded bird songs. -- - Identify bird songs at the press of a button -- - Instant audio recognition right at your fingertips -- Listen to the call of the bird of your choice any time you want any where you want with just the touch of a button. The BirdSong Identiflyer is an amazing technological advance in the science of birding. -- Simply slip a SongCard into the IdentiFlyer for instant playback. Each durable, credit-card sized SongCard has 10 digitally recorded bird songs on it identified by picture and name. In the field, an earphone prevents disruption of delicate environmental areas. The cool green carrying case provides convenience and protection and has room for up to 8 SongCards. -- The Bird Song Identiflyer includes the SongPlayer, earpiece, 3 "AAA" batteries, 2 SongCards, and the IdentiFlyer guide.The Identiflyer measures 6" x 3.5" x 1". -- An additional 14 SongCards with songs from over 100 different birds as well as a "distress" call you can use to attract birds are also available. -- Eastern Yardbirds Includes: -- - Eastern Yardbirds identifier card -- - Birds of the Night card -- - Calling card to attract birds -- Western Yardbirds Includes: -- - Western Yardbirds identifier card -- - Birds of the Night card -- - Calling card to attract birds -- Other Sets Include: -- - Forest, Forest edge and Field & Meadow -- - Lakes & Rivers, Marsh & Wetlands and Seashore