Wild Bird Depot's Nest Box Chart

Species of Wild Bird

Floor Dimension

Box Height

Hole Entrance Above Floor

Entrance Hole

Height Above Floor

Barn Owls

10" x 18"

15-18"

4"

6"

12-18' 

Bluebirds

5" x 5"

8-12"

6-10"

1 1/2 to 1 9/16"

4-6'

Chickadees

4" x 4"

8-10"

6-8"

1 1/8"

4-15'

Common/Northern Flicker

7" x 7"

16-18"

14-16"

2 1/2"

6-20'

Flycatchers

6" x 6"

8-12"

6-10"

1 1/2 to 1 3/4"

5-15'

House Finch

6" x 6"

6"

4"

2"

8-12'

House Sparrows

4" x 4" to 5" x 5"

9-12"

6-7"

1 3/16 - 2"

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Nuthatches

4" x 4"

8-10"

6-8"

1 1/4 to 1 3/8"

5-15'

Phoebes

6" x 6"

6"

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8-12'

Purple Martins

6" x 6"

6"

1-2"

1 3/4" - 2 1/4"

10-15'

Downy Woodpecker

4" x 4"

8-10"

6-8"

1 1/4"

5-15'

Hairy Woodpecker

6" x 6"

12-15"

9-12"

1 1/2"

8-20'

Pileated Woodpecker

8" x 8"

16-24"

12-20"

3x4"

15-25'

Red-Bellied Woodpecker

6" x 6"

12-15"

9-12"

2 1/2"

10-20'

Red-Headed Woodpecker

6" x 6"

12-15"

9-12"

2"

10-20'

Screech Owls and Kestrels

8" x 8"

12-15"

9-12"

3"

10-30'

Barn Swallows

6" x 6"

6"

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8-12'

Violet-Green and Tree Swallows

5" x 5"

6-8"

4-6"

1 1/2"

5-15'

Titmice

4" x 4"

10-12"

6-10"

1 1/4"

5-15'

Prothonotary Warbler

5" x 5"

6"

4-5"

1 1/8"

4-8'

Wood Ducks

10" x 18"

10-24"

12-16"

4"

10-20'

Wrens

4" x 4"

6-8"

4-6"

1 to 1 1/2"

5-10'

Yellow-Bellied Sapsucker

5" x 5"

12-15"

9-12"

1 1/2"

10-20'

Shelf & Platform Dimensions

American Robin

7" x 8"

8 "

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6-15'

Osprey

48" x 48" Platform

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24" x 24" Platform