it doesn't get better than this. The part at about 1.45 where he gets the stick stuck in the strings: Really takes off there.
Â© Extracts from Ariane Michel's film, Les Oiseaux de CÃ©leste.
I wonder if some of the finches connected their actions with the resulting sounds. My impression is that they are 'smart enough' to do that, but I haven't a clue if their minds are likely to make the connection.