Bird Nest Box Dimensions - Best of Lake Norman

Bird Nest Box Dimensions
*Species*	*Box floor (inches)*	*Box height (inches)*	*Entrance height (inches)*	*Entrance (inches)*	Placement diameter height (feet)
American Robin*	7 x 8	8	—	—
Eastern & Western Bluebirds	5 x 5	8 – 12	6 – 10	1 ½	4 – 6
Mountain Bluebirds	5 x 5	8 – 12	6 – 10	1 ½	4 – 6
Chickadee	4 x 4	8 – 10	6 – 8	1 1/8	4 – 15
Titmouse	4 x 4	10 – 12	6 – 10	1 ¼	5 – 15
Ash-throated Flycatcher	6 x 6	8 – 12	6 – 10	1 ½	5 – 15
Great Crested Flycatcher	6 x 6	8 – 12	6 – 10	1 ¾	5 – 15
Phoebe*	6 x 6	6	—	—	8 – 12
Brown-headed/Pygmy/Red-breasted Nuthatch	4 x 4	8 – 10	6 – 8	1 ¼	5 – 15
White-breasted Nuthatch	4 x 4	8 – 10	6 – 8	1 3/8	5 – 15
Prothonotary Warbler	5 x 5	6	4 – 5	1 1/8	4 – 8
Barn Swallow*	6 x 6	6	—	—	8 – 12
Purple Martin	6 x 6	6	1 – 2	2 ¼	6 – 20
Tree and Violet-green Swallows	5 x 5	6 – 8	4 – 6	1 ½	5 – 15
*Use nesting shelf, a platform with three sides and an open front

Nest Box Dimensions
*Species*	*Box floor (inches)*	*Box height (inches)*	**Entrance height (inches)**	*Entrance (inches)*	Placement diameter height (feet)
Downy Woodpecker	4 x 4	8 – 10	6 – 8	1 ¼	5 – 15
Hairy Woodpecker	6 x 6	12 – 15	9 – 12	1 ½	8 – 20
Lewis’s Woodpecker	7 x 7	16 – 18	14 – 16	2 ½	12 – 20
Northern Flicker	7 x 7	16 – 18	14 – 16	2 ½	6 – 20
Pileated Woodpecker	8 x 8	16 – 24	12 – 20	3 x 4	15 – 25
Red-Headed Woodpecker	6 x 6	12 – 15	9 – 12	2	10 – 20
Yellow-bellied Sapsucker	5 x 5	12 – 15	9 – 12	1 ½	10 – 20
Bewick’s/House Wrens	4 x 4	6 – 8	4 – 6	1 ¼	5 – 10
Carolina Wrens	4 x 4	6 – 8	4 – 6	1 ½	5 – 10
Barn Owl	10 x 18	15 – 18	4	6	12 – 18
Screech-Owl and Kestrel	8 x 8	12 – 15	9 – 12	3	4 – 8
Osprey	48 x 48 (platform)				10 – 30
Red-tailed Hawk/Great Horned Owl	24 x 24 platform
Wood Duck	10 x 18	10 – 24	12 – 16	4	10 – 20
*Use nesting shelf, a platform with three sides and an open front

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