Washington Dept. of Fish and Wildlife CROSSING PATHS
Winter 2007

Build it yourself now

Winter is a good time for Backyard Wildlife Sanctuary carpentry projects.

You don’t have to be a carpenter or woodworker to create something to help wildlife in your backyard. Simple patterns and easy directions for building nest boxes, nest platforms, roost boxes, and feeders for everything from bats to flying squirrels to woodpeckers are available at http://wdfw.wa.gov/wlm/backyard/ .

The following plan is for a Basic Songbird Nest Box:

Materials
One 1x6" x 6' rough cedar board
Eighteen 1-1/4” outdoor wood screws or # 7 galvanized nails
Wire to keep side door shut

Lumber Detail

Lumber Detail

Click to enlarge

Basic songbird nest box

Click to Enlarge

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 1 1/8" *
House wrens 1 1/8" *
Violet-green swallows 1¼" *
Tree swallows 1¼"
Nuthatches 1¼" *
Bluebirds 1½"
* See Optional Entry Hole

 

Assembly Sequence


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.

Option entry hole detail
Click to enlarge

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