Nestbox Specifications

View Enclosed Box
View Nest Shelf
Floor
Size
Depth of Box Height of
Nestbox
Entrance
Hole
Height to
Hole
Height
Above
Ground
Preferred Habitat Notes
American Kestrel 8x8" 16-18"18" 3" 9-12" 10-30' Open Fields, Farmlands and Wooded EdgesLine with woodchips
American Robin 7x8" 8"Open Sides Open Sides N/A 6-15' Open Country with Water NearbyUses Shelf Nestbox
Place on side of building or in tree
Ash-throated
Flycatcher
6x6" 8-10"12" 1 3/4" 6" 6-20' Semi-Arid Open Country
Barn Owl 10-18" 15-18"18" 6" 4" 15-25' Farmlands, High on Barn or Large TreeLine with 2-3" of woodchips
Barn Swallow 6x6" 6"Open Sides Open Sides N/A 8-12' Open Country with Water NearbyUses Shelf Nestbox
Place on side of building or in tree
Bewick's Wren 4x4" 6-8"12" 1 1/4" 4-7" 4-10' Open Fields and Thickets
Brown-headed Nuthatch 4x4" 8-10"12" 1 1/2" 7" 8-20' Open Woods and Edges Line with woodchips
Carolina Wren 4x4" 6 - 10"12" 1 1/2" 4-6" 6-10' Open Fields and Thickets
Chickadees 4x4" 8-10"12" 1 1/8" 7" 4-15' Open woods and edges Line with Woodchips
Common Goldeneye 12x12" 20"24" 5" 12-16" 15-20' Wooded Lakeshores and Marshes Line with 3-4" of Woodchips
Common Merganser 12x12" 30-32"36" 5" 10-14" 8-20' Wooded Lakeshores and Marshes Line with 3-4" of Woodchips
Downy Woodpecker 4x4" 8-10"12" 1 1/4" 6-8" 6-20' Forest Openings and Edges Pack with sawdust for excavation
Eastern Bluebird 5x5" 8"12" 1 1/2" 6-7" 4-6' Open Land with Scattered Trees
Great-creasted
Flycatcher
6x6" 8-10"12" 1 1/2" 2" 6-20' Open Woods and Edges If Starlings are a problem, make entrance hole 1 9/16"
Hairy Woodpecker 6x6" 12-14"14" 1 1/2" 8-12" 12-20' Forest Openings and Edges Pack with sawdust for excavation
House Finch 5 1/2-5 1/2" 6-7"8" 2" 4-5" 5-7' Backyards and Porches
House Wren 4x4" 6-8"12" 1 1/8" 4-7" 4-10' Open Fields and Thickets
Mountain Bluebird 5x5" 8"12" 1 9/16" 6-7" 4-6' Open Meadows, Fields, Pastures
Northern Flicker 7x7" 16-18"18" 2 1/2" 12-16" 15-20' Wooded Lakeshores, forest openings and Edges Line with 3-4" of Woodchips
Osprey 48x48"
Platform 3 Sides N/A
Water NearbyUses Platform Nestbox
Phoebe 6x6" 6"Open Sides Open Sides N/A 8-12' Open Country with Water NearbyUses Shelf Nestbox
Place on side of building or in tree
Pileated
Woodpecker
12x12" 16-18"24" 4" 14-16" 15-25' Forests Pack with sawdust for excavation
Prothonotary
Warbler
4x4" 8"12" 1 1/8" 6-8" 4-12' Wooded Swamps and Streams Mount 3-4' above open water
Purple Martin 8x8" 6"6" 2 1/4" 1" 15-25' Open Country near Water Nestbox size is for one compartment
Pygmy Nuthatch 4x4" 8-10"12" 1 1/4" 7" 8-20' Open Woods and Edges Line with woodchips
Red-bellied
Woodpecker
6x6" 12-15"14" 2 1/2" 9-12" 12-20' Forest Openings and Edges Pack with sawdust for excavation
Red-breasted Nuthatch 4x4" 8-10"12" 1 1/4" 7" 8-20' Open Woods and Edges Line with woodchips
Red-headed
Woodpecker
6x6" 12-15"14" 2" 9-12" 12-20' Forest Openings and Edges Pack with sawdust for excavation
Red-tailed Hawk 24x24"
Platform 3 Sides N/A

Uses Platform Nestbox
Saw-whet Owl 7x7" 10-12"12" 2 1/2" 8-10" 10-20' Forest Clearings and EdgesLine with 2-3" of woodchips
Screech Owl 9x9" 12-15"18" 3 1/4" 9-12" 10-30' Woods, Farmlands, OrchardsLine with 2-3" of woodchips
Song Sparrow 6x6" 6"Open Sides Open Sides N/A 1-3' Open Country with Water NearbyUses Shelf Nestbox
Place on side of building or in tree
Starlings 6x6" 16-18"20-24" 2" 14-16" 10-25' Just about anywhere
Titmice 4x4" 8-10"12" 1 1/4" 7" 8-20' Open Woods and Edges Line with woodchips
Tree Swallow5x5"6"10" 1 1/2" 4-5" 4-8' Open Land near Ponds & Lakes Nail piece of tree bark directly below entrance hole for young to climb in/out
Violet-green
Swallow
5x5" 6"10" 1 1/2" 4-5" 4-8' Open Fields, Golf Courses, Pastures Nail piece of tree bark directly below entrance hole for young to climb in/out
Western Bluebird 5x5" 8"12" 1 9/16" 6-7" 4-6' Open Meadows, Fields, Pastures
White-breasted Nuthatch 4x4" 8-10"12" 1 3/8" 7" 8-20' Open Woods and Edges Line with woodchips
Winter Wren 4x4" 6-8" 12" 1 1/4" 4-6" 6-10' Open Fields and Thickets
Wood Duck 12x12" 20-22"24" 4" 12-16" 8-30' Wooded Rivers or Marshes Mount nestbox on post 3-4' above open water
Yellow-bellied Sapsucker 5x5" 12-15"12" 1 1/2" 12-16" 15-20' Wooded Lakeshores and Marshes Line with 3-4" of Woodchips

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