Owl Boxes. This site is from England. In Michigan we have the screech owl, which requires a 3 inch hole. Box should be 10 to 30 feet off ground. Box must be water tight. We need owls to keep those little pesky chipmunks and such in check. Think owl! in your backyard.
Barn Owl Nest Box. This is a simplistic box which has a entrance hole which is the size of the bird. Obviously my design will be complex and a lot more interesting than this one. However, this forms the basis of my design as it is the necessary requirements for a box.
BOT frequently receives reports of owlets that have fallen from unsafe nest-places, usually from poorly-designed nestboxes. Our deep box is much safer for owlets than most designs due to a 46cm (18”) drop from the hole to the bottom.
Northern Barred Owl box Dimensions: 14 in x 14 in x 28 in. Materials & constrn: cedar shingles over pine plank, plywood roof, screwed. Instructions here (48 lb!) Tree attachment: screwed through inside back panel.
Creating Owl Boxes: How To Build An Owl House - Some common owl species are ferocious predators of mice and other rodent pests, so it makes sense to invite them into the neighborhood by installing an owl house. Read this article for tips on owl house design.