BIRD HOUSE
This simple design will serve all bird-box-nesting species. It is the size of the house and its dimensions that influence which birds you will attract. By making the roof or a side detachable, it will be easy to clean.

| A Size of Floor (inches) | B Depth of Box (inches) | C Height of Entrance above Floor (inches) | D Diameter of Entrance Hole (inches) | Height above Ground (feet)
--- | --- | --- | --- | --- | ---
Bluebird | 5x5 | 8 | 6 | 1-1/2 | 5-10
Chickadee | 4x4 | 8-10 | 6-8 | 1 1/8 | 6-15
Titmouse | 4x4 | 8-10 | 6-8 | 1 1/4 | 6-15
Nuthatch | 4x4 | 8-10 | 6-8 | 2-20
House Wren and Bewick's Wren | 4x4 | 6-8 | 4-6 | 1-1 1/4 | 6-10
Carolina Wren | 4x4 | 6-8 | 4-6 | 1 1/2 | 6-10
Violet-green Swallow and Tree Swallow | 5x5 | 6 | 1-5 | 1 1/2 | 10-15
Purple Martin | 6x6 | 6 | 1 | 2 1/2 | 15-20
House Finch | 6x6 | 6 | 4 | 2 | 8-12
Starling | 6x6 | 16-18 | 14-16 | 2 | 10-25
Crested Flycatcher | 6x6 | 8-10 | 6-8 | 2 | 8-20
Flicker | 7x7 | 16-18 | 14-16 | 2 1/2 | 6-20
Golden-fronted Woodpecker and Red-headed Woodpecker | 6x6 | 12-15 | 9-12 | 2 | 12-20
Downy Woodpecker | 4x4 | 8-10 | 6-8 | 1 1/4 | 6-20
Hairy Woodpecker | 6x6 | 12-15 | 9-12 | 1 1/2 | 12-20
Screech Owl | 8x8 | 12-15 | 9-12 | 3 | 10-30
Saw-whet Owl | 6x6 | 10-12 | 8-10 | 2 1/2 | 12-20
Barn Owl | 10x18 | 15-18 | 4 | 6 | 12-18
American Kestrel | 8x8 | 12-15 | 9-12 | 3 | 10-30
Wood Duck | 10x18 | 10-24 | 12-16 | 4 | 10-20