Cockatoos can be kept in a cage or in an aviary. Most people that keep only one cockatoo keep him in a cage inside the house. If you have more space, multiple birds or if you breed cockatoos it is common that the cockatoos are housed in an aviary. This is basically a very big cage that has an indoor area and an outdoor area.
In the following pages you can read all about housing your cockatoo.
Housing cockatoos overview: