1) Airborne camera holders 2) Bagpipe sounds 3) Bagpipes 4) Beavis and Butt-Head episode 5) Boring lecturers 6) Feckless ones 7) Goes on and on 8) Goes on and on and on and on 9) Goes on monotonously 10) Hive idlers 11) Hive inhabitants 12) Hive loafers 13) Hive members 14) Hive occupants 15) Hive residents Found on https://www.crosswordclues.com/clue/drones