Bird Nest Dimensions
Tree Swallow Nests

Tree Swallow Nests

Robin Nest

Robin Nest

Bird Floor of House Height inside
House
Diameter of
Entrance Hole
Height of Entrance
above Floor
Height above
ground
Bluebirds 5 by 5 in. 8 in. 1 1/2 in. 6 in. 5 to 10 ft.
Chickadees 4 by 4 in. 8 to 10 in. 1 1/8 in. 6 to 8 in. 6 to 15 ft.
House Finch 6 by 6 in 6 in. 2 in. 4 in. 8 to 12 ft.
Northern Flicker 7 by 7 in. 16 to 18 in. 2 1/2 in. 14 to 16 in. 6 to 20 ft.
American Kestrel 8 by 8 in. 12 to 15 in. 3 in. 9 to 12 in. 10 to 30 ft.
Nuthatches 4 by 4 in. 8 to 10 in. 1 1/4 in. 6 to 8 in. 12 to 20 ft.
Screech Owls 8 by 8 in. 12 to 15 in. 3 in. 9 to 12 in. 10 to 30 ft.
Tree Swallow 5 by 5 in. 6 in. 1 1/2 in. 1 to 5 in. 10 to 15 ft.
Titmice 4 by 4 in. 8 to 10 in. 1 1/4 in. 6 to 8 in. 6 to 15 ft.
Downy Woodpecker 4 by 4 in. 8 to 10 in. 1 1/4 in. 6 to 8 in 6 to 20 ft.
House Wren 4 by 4 in. 6 to 8 in. 1 to 1 1/4 in. 4 to 6 in. 6 to 10 ft.
Winter Wren 4 by 4 in. 6 to 8 in. 1 to 1 1/4 in. 4 to 6 in. 6 to 10 ft.
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