Birds became the world's master musicians ... his song half a million times in a season. Indeed, British musician David Hindley slowed bird song down and discovered parallels between the ...

The birds upped the quality of their songs, as they called to defend their territory and entice a mate. And while it might have seemed to human ears that bird song got louder, the sparrows ...

Listen to the songs and calls of the most common garden birds in the UK and get tips on how to learn to recognise these familiar sounds. Bird song is probably the most familiar type of bird sound.