Birds: Nestboxes
NESTBOX DIMENSIONS FOR SMALL CAVITY NESTERS
(measurements in inches with millimetres in brackets)
Species |
Entrance Hole |
Floor |
Box Depth |
Bluebirds |
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| Eastern | 1 1/2 (38) | 4 x 4 (101 x 101) | 10 (254) |
| Mountain | 1 9/16 (40) | 5 x 5 (127 x 127) | 10 (254) |
| Western | 1 9/16 (40) | 5 x 5 (127 x 127) | 10 (254) |
Chickadees |
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| 1 1/8 - 1 | 1/4 (29-32) | ||
| All Species | 1 1/4 (32) | 4 x 4 (101 x 101) | 8 (203) |
Finch |
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| House | 1 1/2 (38) | 5 x 5 (127 x 127) | 10 (254) |
Nuthatches |
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| Both Species | 1 1/2 (38) | 5 x 5 (127 x 127) | 10 (254) |
Swallows |
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| Six Species | 1 1/2 (38) | 5 x 5 (127 x 127) | 10 (254) |
Wren |
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| House | 1 - 1 1/4 (25-32) | 5 x 5 (127 x 127) | 10 (254) |
