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 birch bark bird house.

Bird House

An illustration of a birch bark bird house.

An illustration of a slab bird box.

Bird House

An illustration of a slab bird box.

An illustration of a bird house made out of an old funnel.

Bird House

An illustration of a bird house made out of an old funnel.

An illustration of a bird house for a tree swallow.

Bird House

An illustration of a bird house for a tree swallow.

An illustration of a bird house with a slide front.

Bird House with Slide Front

An illustration of a bird house with a slide front.

An illustration of a bird house with a slide front.

Bird House with Slide Front

An illustration of a bird house with a slide front.

An illustration of a cat-proof bird house.

Cat-proof Bird House

An illustration of a cat-proof bird house.

An illustration of a multi level bird house commonly used for Purple Martins.

Multi Level Bird House

An illustration of a multi level bird house commonly used for Purple Martins.

An illustration of a shingle bird house.

Shingle Bird House

An illustration of a shingle bird house.

One type of birdhouse with the opening at the bottom.

Birdhouse

One type of birdhouse with the opening at the bottom.

One type of birdhouse with the opening at the top.

Birdhouse

One type of birdhouse with the opening at the top.

One type of birdhouse modeled to look like an actual house.

Birdhouse

One type of birdhouse modeled to look like an actual house.

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.