Bird identification with no signal at all
The birds are loudest where the signal is worst. How on-device identification works, what an installed region pack covers, and where it still gets things wrong.
Identifying a bird by its song on iPhone
Turn twelve seconds of birdsong into an answer you can actually check, with the competing candidates and the recording quality shown rather than hidden.
A bird identifier that keeps your recordings
Sound identification usually means uploading audio from wherever you are standing. What it takes to avoid that, and what BirdHere does instead.