Design
How elaborate you make your bird house depends on your own tastes. In addition to where you place the box, the most important considerations are: box height, depth, floor dimensions, diameter of entrance hole and height of the hole above the box floor.
Refer to the [following chart] before building your nest box, keeping in mind that birds make their own choices, without regard for charts. So don’t be surprised if you find tenants you never expected in a house you intended for someone else.
