It's like you're tricking your pet bird that they haven't been taken away from where they live. There are also many styles of bird houses that are made with modern styles and some are older or classics like Victorian styles and etc. Many bird houses are made to look like lighthouses, wood cabins, ark or anything that can birds' living experience much greater. With a custom designed kit, you can always maximize its usage with proper installation, having to consider their characteristics can suggest a probably place to put them. You can also attract birds with feeders. Building a bird house with feeders can be a good way to start attracting them. Putting some feeds can attract a nice amount of birds. In addition, the methods and ways of proper setting of the bird houses are also included. But before you start, keep in mind your objective that is to make the birds enjoy and feel comfortable in their habitat. So you don't really have to attract them, the challenge is to make them go back as much as possible in their new home. 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. You can paint these woods to add more protection. Be sure to use non-toxic and water-resistant paints in these woods. Bird houses that are made of metal can be effective if you want to place it inside the house. Building a bird house is simple but may take a little effort. You need to know the materials to be used and also the proper setting of these materials to create an appropriate bird house. To tell you, building a perfect bird house should not be that expensive. And one way that will surely give u a natural and unique bird house is by using gourd. Having a unique bird house is really not that hard to acquire with the help of the internet. Online pet shops cater to many unique bird house designs. But having to consider their needs first and making other alteration for the design will be your priority. The size of the nest box must be suited to the specific species of birds.