Sound ID
How Songlark turns three seconds of birdsong into a name.
A match in four screens. The app records, cleans up the sound, compares it with the songs on your phone and lets you check before you save.
Start
9:41
Hold still, turn towards the song.
0:05 listening
Stop
Record three to ten seconds. Stop when the bird stops.
9:41
Strongest at 3 to 6 kHz
Wind noise removed
Compare
The app cleans up wind and traffic and keeps the song.
9:41
Wren 88%
Dunnock 9%
Robin 3%
It compares the song with the pack on your phone.
9:41
Loud, fast trill ending in a rattle.
Play a reference song
Not this one
Play a reference recording to check before you save it.
The Sound ID screens in tap order (sample app).

What makes a match better
A match is a best guess with a percentage, not a verdict. These make the biggest difference:
Distance
Under 30 m
Wind
Stand in the lee of a tree
Recording length
3 to 10 seconds
Birds singing at once
One or two
Hear a bird? Ask Songlark.
Free on iPhone and Android. The song pack for your region works with no signal (sample).