I too have had this problem, I live on 10 acres just out of town and we have litterally thousands of starlings getting around at first I could get at them with my 177 springer at around 30 to 40 yards.
But that increased to 100 or so and I can't use a 22 just too many small farm's.
So I purchased a my first PCP a hatsan airmax .22 and it really shoots well with the new FX slugs and once I learned the trajectory I have accounted for many more.
But my tip is try using your phone with starling mating/ nesting calls played through a Bluetooth speaker!
I get random birds popping up in the tree tops well within range but combined with your decoys and food... Could be a real winner but yes a good quality PCP is needed
Starlings are survivors, so it comes as no surprise that they quickly learned your range & moved out of it.
My experience with them is that they also learn very quickly where you are shooting from.
Even if you shoot from indoors
As soon as the window slides open they are gone; and if the window is left open for a few hours they learn that too
I've been mixing it up by shooting from 1st floor, 2nd floor & side door
This catches them by surprise often; but then you still get one shot only & then then they scatter.
I must admit that the only reason I shoot starlings is that they eat up all the squirrel bait used to tempt the rodents away from the fruit trees & to their demise
Just my 2 cents
Ed
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