It is recommended to use wood chips at the bottom of nest boxes for bluebirds, nuthatches, and small woodpeckers. It is recommended to put one inch of wood chips at the bottom of each nest box. One bag of chips will be enough for one nest box.
For Wood Duck nest boxes, 4 inches of wood chips are recommended to be placed at the bottom of the nest box or 5 bags.
For Wood Duck nest boxes, 2 to 3 inches of wood chips are recommended to be placed at the bottom of the nest box or 3 bags.
We have Wood Duck and Wood Duck nest boxes available in store only.