videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Video 94: Schoors & De Waele of Belgium: Premier Pigeon Racers, Video 197: Brian Henderson of Morton: Premier Pigeon Racer, Video 324: Mick & Lorna Dickinson of Hamel Hempstead: Premier Pigeon Racers