| Species |
Floor
of
Cavity
|
Depth
of
Cavity |
Entrance
Above Floor
|
Size
of
Entrance |
Height
Above Ground |
Suggestion
for Placement |
| |
(inches) |
(inches) |
(inches) |
(inches) |
(feet) |
|
| American
Kestrel |
8
x 8 |
12-15 |
9-12 |
3 |
10-30 |
In
open areas near fields or watery areas. |
| Barn
Owl |
10
x 18 |
15-18 |
0-4 |
6 |
12-18 |
Near
buildings, barns or open fields. |
| Chickadees |
4
x 4 |
9 |
7 |
1
1/8 * |
4-15 |
In
wooded areas or old orchards, prefer rustic houses. |
| Downy
Woodpecker |
4
x 4 |
9 |
7 |
1
¼ |
5-15 |
Open
wooded areas on dead trees, pack with wood shavings. |
| Flicker |
7
x 7 |
16-18 |
14-16 |
2
½ |
6-30 |
Open
wooded areas on dead trees, pack with wood shavings. |
| Hairy
Woodpecker |
6
x 6 |
12-15 |
9-12 |
1
½ |
12-20 |
Open
wooded areas on dead trees, pack with wood shavings. |
| Nuthatches |
4
x 4 |
9 |
7 |
1
1/8 * |
5-15 |
In
wooded areas or old orchards, prefer rustic houses. |
| Purple
Martin |
6
x 6 |
6 |
1 |
2
¼ |
10-20 |
Use
a colony of houses together with pond or stream nearby. |
| Robin |
6
x 8 |
8 |
NA |
NA |
6-15 |
In
shaded parts of trees or under eaves of house or shed. |
| Screech
Owl |
8
x 8 |
15-18 |
9-12 |
3 |
10-30 |
Open
wooded areas on dead trees. |
| Tree
Swallow |
5
x 5 |
6-8 |
4-6 |
1
¼ |
4-15 |
Place
2-3 boxes together on a post or dead tree near water. |
| Violet-green
Swallow |
5
x 5 |
6 |
4-6 |
1
¼ |
10-15 |
Place
under eave of house. |
| Western
Bluebird |
5
x 5 |
8 |
6 |
1
½ |
5-10 |
In
open sunlit areas on fence posts or trees. |
| Wood
Duck |
12
x 12 |
22 |
17 |
3½
- 4 |
10-20 |
Place
facing water, add four inches of wood shavings. |
| Wrens |
4
x 4 |
6-8 |
6 |
1-1
1/8 |
4-10 |
In
any partly sunny spot, may be hung from a tree limb. |
| *
See "Fun Projects for Urban Wildlife" for variations
to exclude unwanted species. |
