anyone had any luck with fake owls to scare off birds around the house?

I have birds pooping on anything I set out on my porch at the pond,
hanging flower baskets, porch railings, chairs, etc.

I know it can't be solved 100%, but do the fake owls help reduce the problem?

https://www.amazon.com/Dtemple-Realistic...s=fake+barn+owl


Fishing has never been about the fish....