One common method of keeping starlings away is using recordings of other starlings, their natural predators, and other alarm sounds. Speakers are placed strategically near places where feed is either given to cows or is stored and set to play noises on a timer. The most effective sounds to use for starlings? The distress call of another starling. The sounds of their natural predators is also very effective. The biggest issue with using recordings is that starlings get used to the sounds quite qu