There are loads of Bird Packs available for free, covering just about anywhere ... I began playing the audio files back, studying the calls, familiarizing myself with each one.

It’s completely free, and it can work both online and off ... If there are audible bird sounds in the area, it’ll then attempt to compare those to bird calls in its database and tell you ...

It's one of the sounds that made the Macauley ... which is an app that you can download for free. And then you submit your bird observations, and then once you've said what birds you've seen ...