Whether you are looking for a spacious home for your favorite pet bird, or you are looking to fill a large bird aviary with as many feathered friends as you can, you have to know just what you are purchasing. This gives you an opportunity to closely watch their day-to-day interaction, while keeping them safe and far from lurking predators outside. Besides, an aviary is the perfect choice for growing the size of your flock and avoid overcrowding their living space.? A lot can go into raising your own birds on your property, including just where they are going to be housed and what structure will house them.