Birdsong identification for beginners: 20 common songs and calls | Natural History Museum
Blackbird song and call identification — Birdsong Academy
Blackbird (Turdus merula) song & alarm call | Today's "Tweet of the Day" is the much loved mellow song of the Blackbird (Turdus merula). It is only the male that will sing
The Fourth Day of Christmas – Four Calling Birds | Bug Woman – Adventures in London