Designing and drafting a plan for your avian friends is also very important Keep in mind that the bird's safety is your utmost concern so make sure that they will be protected from the predators. It is also best to use slanted roofs so that the dirt, moisture and rain would not gather on top that may eventually cause rotting of wood. Evaluate birds in your area - If you know what birds that comes along your area. From there, you can get to know their needs, having to specify different kinds of bird houses for different types of species. Building a bird house can affect their needs. The local birds in your area could be blue birds, finches, wrens, cardinals, purple martins, chickadees and other species. Fancy bird houses can be made as decorative as you want it to be. The materials you can use to create them are unlimited. You can opt for the typical metal cages, all-natural woods or exotic bamboos. You can think up other designs on your own just as long as you know that your birds will be comfortable in them. Most bacteria are kept alive in dirt. If you do not want your birds to suddenly die of an unknown sickness, you should clean the bird house vigorously and regularly. An unclean bird house can also cause some problems to you too. If you have your painted bird house located near your home, you can expect the dirt to fall down or penetrate your home and environment. Even with the proper tools, you cannot really begin building one if you do not know where to pattern it to. Although you can create just about any design that comes to mind, it might not its purpose of attracting birds to you. There are steps you can take in order to achieve some free bird house patterns. Birds are also like human in terms of protecting their territory. They also do not want other birds to trespass into their space. It is better to give them the appropriate space that they can have for their own. 4. Material. The best material to make your bird deck house from is wood. They are more durable than metal that can rust and cartons that rot.