I use an outdoor King Feeder with Rain Hat:
http://smile.amazon.com/Chick-Inn-Poultry-Feeder-50-lb/dp/B009010UB4/ref=sr_1_4?ie=UTF8&qid=1444785428&sr=8-4&keywords=range+feeder
What can I do?
I don't imagine that they are eating much but I'm concerned about the mouse droppings and other mouse...