A disposable cardboard birdhouse including a cardboard shell having rectangular walls and a roof, the shell having holes in the outer walls thereof for the birds to pass through. Smaller individual cardboard nesting boxes are stacked within the cardboard shells and holes in the nesting boxes align with holes in the shell to allow birds to come in and out of the disposable birdhouse. The entire birdhouse can be discarded at the end of the nesting season.
