Identifying Migratory Birds by Sound in Britain and Europe

Identify migratory birds with this book, containing detailed text on flight and contact calls, annotated sonograms and QR codes to the calls themselves.

Every spring and autumn, millions of birds fly over us to en route to their summer or winter quarters, with these migratory flights occurring both day and night. A profusion of sounds fills the air, making it possible to put a name to these fleeting silhouettes - because the best way to identify these migrants is by their calls. Often negle...