the cans away from the house, they are less likely to take up residence in your home. Promote the nesting of birds of prey in your yard. Build a shelter box in your garden to attract some onto your property. This may take some time, but it's worth the effort if you can attract a wild mouse eater to your yard. [6] Make sure the shelter box has no nails or safety hazards. A barn owl is the best. A family of barn owls can eat many mice in a night! However, you might attract other types of owls or birds of prey with your nesting box.