Bird Nest Box Dimensions

Bird Nest Box Dimensions

SpeciesBox floor (inches)Box height (inches)Entrance height (inches)Entrance (inches)Placement
diameter height
(feet)
American Robin*7 x 88 
Eastern & Western Bluebirds5 x 58 – 126 – 101 ½4 – 6
Mountain Bluebirds5 x 58 – 126 – 101 ½4 – 6
Chickadee4 x 48 – 106 – 81 1/84 – 15
Titmouse4 x 410 – 126 – 101 ¼5 – 15
Ash-throated Flycatcher6 x 68 – 126 – 101 ½5 – 15
Great Crested Flycatcher6 x 68 – 126 – 101 ¾5 – 15
Phoebe*6 x 668 – 12
Brown-headed/Pygmy/Red-breasted Nuthatch4 x 48 – 106 – 81 ¼5 – 15
White-breasted Nuthatch4 x 48 – 106 – 81 3/85 – 15
Prothonotary Warbler5 x 564 – 51 1/84 – 8
Barn Swallow*6 x 668 – 12
Purple Martin6 x 661 – 22 ¼6 – 20
Tree and Violet-green Swallows5 x 56 – 84 – 61 ½5 – 15
*Use nesting shelf, a platform with three sides and an open front    

Nest Box Dimensions
SpeciesBox floor (inches)Box height (inches)Entrance height (inches)Entrance (inches)Placement
diameter height
(feet)
Downy Woodpecker4 x 48 – 106 – 81 ¼5 – 15
Hairy Woodpecker6 x 612 – 159 – 121 ½8 – 20
Lewis’s Woodpecker7 x 716 – 1814 – 162 ½12 – 20
Northern Flicker7 x 716 – 1814 – 162 ½6 – 20
Pileated Woodpecker8 x 816 – 2412 – 203 x 415 – 25
Red-Headed Woodpecker6 x 612 – 159 – 12210 – 20
Yellow-bellied Sapsucker5 x 512 – 159 – 121 ½10 – 20
Bewick’s/House Wrens4 x 46 – 84 – 61 ¼5 – 10
Carolina Wrens4 x 46 – 84 – 61 ½5 – 10
Barn Owl10 x 1815 – 184612 – 18
Screech-Owl and Kestrel8 x 812 – 159 – 1234 – 8
Osprey48 x 48 (platform)   10 – 30
Red-tailed Hawk/Great Horned Owl24 x 24 platform    
Wood Duck10 x 1810 – 2412 – 16410 – 20
*Use nesting shelf, a platform with three sides and an open front    

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