ClipArt ETC
Pictured are a berlepsch nesting box and a longitudinal section of the nesting box.

Berlepsch Nesting Box

Pictured are a berlepsch nesting box and a longitudinal section of the nesting box.

An illustration of a hollow limp nesting box.

Nesting Box

An illustration of a hollow limp nesting box.

The hole of the nesting box should be well near the top with no perch near. The roof should slope from the back toward the front and should project about three inches.

Nesting Box

The hole of the nesting box should be well near the top with no perch near. The roof should slope from…

The most successful nesting box resembles a hollow limb.

Nesting Box

The most successful nesting box resembles a hollow limb.

An illustration of a birch-bark nesting box.

Birch-bark Nesting Box

An illustration of a birch-bark nesting box.