Add Yahoo as a preferred source to see more of our stories on Google. A European robin, Erithacus rubecula, sings in a tree in Norfolk, England. Studies have linked the sound of birdsong to reduced ...

Birdsong is more than just mimicry. Birds learn to sing through complex brain processes similar to human speech learning.

Not all birds sing, but those that do — some several thousand species — do it a lot. All over the world, as soon as light filters over the horizon, songbirds launch their serenades. They sing to ...