How bout some nice predator silos or something similar IN thier water holes? Something that the birds can see from the air but the opposition cant see from the ground. I am thinking there has to be some simple ways to make birds avoid their holes like the plague without it being readily visible or ...

Well hell at least you can still hunt SOMETHING!

Hunt........peck........hunt......peck........hunt.........peck......


Muwhahahaha! Feel better there sport!