Things You'll Need:
- Heavy cardboard box
- Duct tape
- Utility knife or scissors
- Non-toxic sealant (water-based acrylic varnish)
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Step 1
Recycle heavy duty cardboard from a local retailer. Choose sturdy clean cardboard boxes that will fit the dimensions you need. It's okay if the box have been flattened because you will be cutting it anyway. As a matter of fact, flattened boxes are much easier to haul.
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Step 2
Decide on the dimensions you want for the nesting box. Dimensions will be based on what the nesting box is for. Small birds prefer small nesting boxes, yet large birds will not nest in a box that is too small. If you have a specific bird species, do some research to find out if both the male and female will be in the nest box at the same time or if just one or the other will sit on the eggs. There are numerous sites on the Internet that can provide recommended dimensions for different bird species (see Resources).
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Step 3
Cut the cardboard to the proper dimensions using a utility knife or scissors. Using long strips of duct tape, tape the pieces together along each edge. This forms the box part of the project.
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Step 4
Cut an appropriate sized hole in the front of the box using a utility knife.
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Step 5
Applying a couple of coats of non-toxic sealant applied to the outside of the nesting box will help water-proof it if you are planning to place it outdoors.











