Bird House Dimensions Chart

Bird House Dimensions Chart By Species

SPECIES FLOOR (IN) HEIGHT  (IN) HOLE DIAMETER (IN) HOLE  ABOVE FLOOR (IN) BOX ABOVE GROUND (FT)
Chickadees          

Chickadees

& Tits

 4x4 6-10 1 1/8 4-8 6-15
Titmouse 4x4 6-12 1 1/4 4-10 6-15
Ducks          
Wood Duck 10x18 10-24 4 12-16 6-20
Flycatchers          
Ash-Throated 6x6 8-12 1 1/2 6-10 5-15
Great Crested 6x6 8-12 1 3/4 6-10 5-15
 Falcons          
American Kestrel 8x8 12-15 3 9-12 8-30
Hawks/Buteos          

Red-tailed

 Hawk*

 24x24 platform - - - at least 14
Nuthatches          
Brown-headed, Pygmy & Red-breasted 4x4 8-10 1 1/4 6-8 5-15
White Breasted 4x4 8-10 1 3/8 6-8 5-15
Ospreys          
Osprey* 48x48 platform - - - at least 15 over water**
Owls          
Barn 10x18 15-18 6 4 12-18
Great Horned Owl* 24x24 platform - - - -
Screech 8x8 12-15 3 9-12 8-30
Phoebes          
Phoebes* 6x6 nest shelf 6 - - 8-12
Swallows          
Barn* 6x6 nest shelf 6 - - 8-12
Purple Martin 6x6 6 2 1/4 1-2 6-20
Tree & Violet Green 5x5 6-8 1 1/2 4-6 6-15

Thrushes/

Bluebirds

          
American Robin* 7x8 nest shelf 8 - - 6-15
Eastern Blue Bird 5x5 6-12 1 1/2 4-10 4-10
Western Blue Bird 5x5 6-12 1 1/2 4-10 4-10
Mtn Blue Bird 5x5 6-12 1 9/16 4-10 4-10
Woodpeckers          
Downy 4x4 8-10 1 1/4 6-8 5-15
Hairy 6x6 12-15 1 1/2 9-12 8-20
Lewis's 7x7 16-18 2 1/2 14-16 12-20
Flicker 7x7 16-18 2 1/2 14-16 6-20
Pileated 8x8 16-24 3x4 12-20 15-25
Red-headed 6x6 12-15 2 9-12 10-20
Yellow-bellied 5x5 12-15 1 1/2 9-12 10-20
 Warblers          
Prothonotory 5x5 6 1 1/8 4-5 4-8
 Wrens          
House 4x4 6-8 1 1/8 4-6 5-10
Carolina 4x4 6-8 1 1/4 4-6 5-10
Bewick's 4x4 6-8 1 1/8 4-6 5-10