You can try getting more information about the specific birds and their required measurement and dimensions on the internet. 3. For the materials, it is best to use untreated lumber or wood for your bird house. Apart from the imitating the natural habitat of the birds, natural woods lessens the risks of overheating and poisoning. You will find that there are many websites that cater to providing you with free patterns for bird house building. The only problem you will encounter using this method is the difficulty in choosing what pattern to use. The many patterns presented to you will make your decision hard. It is best to base everything on the location you will build it and the kind of birds that you want to have in the bird house. This is why you need to provide the bird house with a roof, walls and proper ventilation in order to protect the birds from these harmful elements. 3. Made of the best materials. If you have an outdoor bird house, the best material to use for them is wood. Woods are known to survive through many years of service. Getting to choose from a variety can always be good when selecting and getting your ideal design of your customized bird house. There are also customized houses for your pets; there are designs of nest boxes' mimicking farms, boats, windmills, cottages and other themes that are rare. With many unique designs, there are even designs that look like diners. Employing such kind of scheme for the roof would make cleaning an easy task for you. During the spring time, it is always best to do the cleaning. That falls on the early weeks of the month of March. The hinges should be rust-proof so that you would also get protected. More so, the hinges must be safely placed because some animals like the raccoons are capable of opening those. Most of the time, you will find them in farmlands and pastures. So it is not surprising that those who want to have these types of birds in their area are setting up blue bird trails to lure them into a location just like what they are used to. In order to build a blue bird house, you need to have intensive knowledge about these birds and their behaviors.