With wings so they would circle over like buzzards all night long, hehehe
I don’t see why not.
in fact it would likely be feasible to make Porcine Like Drones...programmed for the task...capable of producing a variety of piercing SQUEALS based on data collected at a given location. This would allow the Flying Pigs to appear to be responding to stimuli such as the horrified SCREAMS of the Jihadist Scum over which they’re Flying...