_Nesting Shelves_
Width Length Height
(inches) (inches) from
ground
(feet)
Robin 5-6 8 or more 8-30
Phoebe 3½-4½ 7 or more 8-20
[Illustration: Plate III. A Simple and Effective Box Bird House
For House Wrens, Bluebirds, and Tree Swallows, especially. For these
the house may be of weathered fence-boards or even, if need be, of
new lumber stained some dull tint. For chickadees, nuthatches, and
Tufted Titmice, rough "slab" material is preferable. Dimensions
given are for the House Wren. For other species, see Table I.]
TOP (INSIDE): 7¼^IN. x 7¼^IN.
EDGE: ¾^IN. x 9^IN.
SIDE: x 4¼^IN.
FRONT (INSIDE): x 5¾^IN.
{HOLE DIAMETER}: ¾^IN.
BACK (OUTSIDE): 7^IN. x 5¾^IN.
BOTTOM: 4¼^IN. x 4¼^IN.
CONSTRUCTION
THE FASTENING ON FRONT OF LID
THE HINGE ON BACK OF LID