Try out 2 FREE birdsong ringtones at http://www.birdfone.com or download 50 birdsong MP3 files for your cellphone or ipod.
Learn how to identify birdsongs at http://www.caculo.com/birds... with the
audio CD "Bird Song Ear Training Guide"-- 189 bird songs and mnemonics in quiz format.
The DVD Birds, Birds, Birds! with bird songs and mnemonics includes high quality photos and bird videos (for use on TV or PC screens). With and without narration.
http://www.caculo.com/dvd.htm