Best Nest Box Dimensions for Nesting Wild Birds


Species

Floor Size

Box Height

Entrance Height from Floor

Diameter of Entrance

Location Height

Chickadees

4 x 4 inches

8 to 10 inches

6 to 8 inches

1 1/8 inches

4 to 15 feet

Titmice

4 x 4 inches

10 to 12 inches

6 to 10 inches

1 1/4 inches

5 to 15 feet

Brown Headed Pygmy and Red Breasted Nuthatch

4 x 4 inches

8 to 10 inches

6 to 8 inches

1 1/4 inches

5 to 15 feet

White Breasted Nuthatch

4 x 4 inches

8 to 10 inches

6 to 8 inches

1 3/8 inches

5 to 15 feet

Downy Woodpecker

4 x 4 inches

8 to 10 inches

6 to 8 inches

1 1/4 inches

5 to 15 feet

Bewick and House wrens

4 x 4 inches

6 to 8 inches

4 to 6 inches

1 1/4 inches

5 to 10 feet

Carolina Wren

4 x 4 inches

6 to 8 inches

4 to 6 inches

1 1/2 inches

5 to 10 feet

Eastern and Western Bluebird

5 x 5 inches

8 to 12 inches

6 to 10 inches

1 1/2 inches

4 to 6 feet

Mountain Bluebird

5 x 5 inches

8 to 12 inches

6 to 10 inches

1 1/2 inches

4 to 6 feet

Prothonotary Warbler

5 x 5 inches

6 inches

4 to 5 inches

1 1/8 inches

4 to 8 feet

Tree and Violet Green Swallows

5 x 5 inches

6 to 8 inches

4 to 6 inches

1 1/2 inches

5 to 15 feet

Yellow Bellied Sapsucker

5 x 5 inches

12 to 15 inches

9 to 12 inches

1 1/2 inches

10 to 20 feet

Ash Throated Flycatcher

6 x 6 inches

8 to 12 inches

6 to 10 inches

1 1/2 inches

5 to 15 feet

Great Crested Flycatcher

6 x 6 inches

8 to 12 inches

6 to 10 inches

1 3/4 inches

5 to 15 feet

Purple Martin

6 x 6 inches

6 inches

1 to 2 inches

2 1/4 inches

6 to 20 feet

Hairy Woodpecker

6 x 6 inches

12 to 15 inches

9 to 12 inches

1 1/2 inches

8 to 20 feet

Red Headed Woodpecker

6 x 6 inches

12 to 15 inches

9 to 12 inches

2 inches

10 to 20 feet

Lewis Woodpecker

7 x 7 inches

16 to 18 inches

14 to 16 inches

2 1/2 inches

12 to 20 feet

Northern Flicker

7 x 7 inches

16 to 18 inches

14 to 16 inches

2 1/2 inches

6 to 20

Pileated Woodpecker

8 x 8 inches

16 to 24 inches

12 to 20 inches

3 x 4 inches

15 to 25 feet

Screech Owls and Kestrel

8 x 8 inches

12 to 15 inches

9 to 12 inches

3 inches

10 to 30 feet

Barn Owls

10 x 18 inches

15 to 18 inches

4 inches

6 inches

12 to 18 feet

Wood Ducks

10 x 18 inches

10 to 24 inches

12 to 16 inches

4 inches

10 to 20 feet

American Robin

7 x 8 inches

8 inches



6 to 15 feet

Phoebes

6 x 6 inches

6 inches



8 to 12 feet

Barn Swallow

6 x 6 inches

6 inches



8 to 12 feet

Red Tailed Hawk and Great Horned Owl

24x24 platform





Osprey

48x48 platform







Note: Use a nesting shelf platform with three sides and an open front for American Rodins, Phoebes and Barn Swallows


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