Every Nature Creations birdhouse is designed with functionality in mind, featuring a 3-inch clean-out hole and a convenient plug insert. The plug not only ensures the safety of the birds but also makes maintenance effortless for you. Keeping your birdhouse clean allows new birds to make it their home with ease. Don’t forget to order extra plugs to keep your birdhouse in top condition and provide a welcoming home for your feathered friends!