A 20x20 is usually the minimum size. Here's a link: http://www.amazon.com/YML-20-Inch-Dometo...
i have decided i want to purchase a green cheeked conure parrot and have been researching it the past few hours but need help finding a cage i would prefer a cheap cage but good enough to comfortably house the bird and to last a good while some suggestions and links would be great help