Birdhouses come in a wide variety of styles and shapes. You can get a classic birdhouse made of wood, or a specialized birdhouse made of plastic or ceramic. Depending on your usage situation, you can buy decorative birdhouses or something much simpler. Different types of birds respond well to different types of houses. You simply need to figure out the local birds in your area, and choose a birdhouse that matches the decor you are going for.