Pivot
screws work as hinges. To allow the side to open
easily, the two pivot screws need to be level
Loop
wire around nails
Holes
for attaching box to a tree or post with nails, lag bolts,
or wire.
Exact
Entry Hole Dimensions
Chickadees
1inch to 11/8" *
House
wrens 11/8" *
Violet-green
swallows 1¼" *
Tree
swallows 1¼"
Nuthatches
1¼" *
Bluebirds
1½"
*
See Optional Entry Hole
Assembly
Sequence
* Optional Entry Hole
NOTE: This diamond-shaped entry hole is designed to prevent
access by house sparrows. To work properly, it is extremely
important that the final entry hole be made to these
dimensions. To accommodate Violet-green Swallows,
file down the area inside of the entry hole, as shown
in the side view.
