NWF Backyard Wildlife Habitat #4244

NEST BOX SPECIFICATIONS

Occupant Floor Depth Entrance above floor Diameter of Entrance Height above ground    Inches  Inches  Inches  Inches  Feet  Barn owl  10 x 18  15 - 18  4  6  12 - 18  Barn swallow 6 x 6 6 1 or more sides open 1 or more sides open  8 - 12   Bluebird 5 x 5 8 6 1 1/2 5 - 8  Carolina wren 4 x 4 6 - 8  1 - 6 1 1/2 6 - 10  Chickadee 4 x 4 8 - 10 6 - 8 1 1/8 5 - 8  Crested flycatcher  6 x 6  8 - 10  6 - 8  2  8- 20  Downy woodpecker  4 x 4 8 - 10 6 - 8 1 1/4 6 - 20  Flicker 7 x 7 16 - 18  14 - 16 2 1/2 6 - 20  Hairy woodpecker 6 x 6 12 -15 9 - 12 1 1/2 12 - 20  House wren 4 x 4 6 - 8 1 - 6 1 1/4 6 - 10  Nuthatch 4 x 4 8 - 10 6 - 8 1 1/4 12 - 20  Phoebe 6 x 6 6 All Sides open All sides open 8 - 12  Purple martin 6 x 6  6  1  2 1/2 5 - 15  Robin 6 x 8 8 1 or more sides open  1 or more sides open   6 - 15  Saw-whet Owl 6 x 6 10 - 12 8 - 10 2 1/2 12 - 20  Screech owl 8 - 8 12 - 15 9 - 12 3 10 - 30  Song sparrow 6 x 6 6  All sides open  All sides open  1 - 3  Sparrow hawk 8 x 8 12  - 15 9 - 12 3 10 - 30  Starling  6 x 6  16 - 18 14 - 16 2  8 - 20  Titmouse 4 x 4  8 - 10 6 - 8  1 1/4 6 - 15  Tree Swallow  5 x 5  6  1 - 5  1 1/2 5 - 15  Wood Duck  10 x 18  10 24  12 - 16  4  10 - 20