Great and massive compendium of calls but

Needs much work on organization and really needs user input with recognition. Sure you can quickly find what THAT birds song is BUT how bout hearing a song to identify the bird making it? Impossible! So lets have the app access the microphone and allow me to chirp whistle trill the call into the apps db and recognize and identify the song maker?
With reasonable accuracy, THAT would make this a great App.

qwak about Bird Songs - Bird Call & Guide