spontaneous appearance of Passer https://www.inaturalist.org/observations/55952405, while I wanted to take photos from Apus https://www.inaturalist.org/observations/55952407, screenshots from video that was intended to record Apus sound showing a Turdus merula flipflapping across https://www.inaturalist.org/observations/55952409, and audio of Sylvia https://www.inaturalist.org/observations/55952403