Monitoring Forms & Data
Maynard Sumner checking a nest box.
Here you can download the latest MBS Nesting Data form to compile your nest box results for the entire season. Then, you should submit it to MBS to be compiled with other data from across the state. Also, there is nesting season results for two recent years to compare what you may be seeing in your yard. (But don't be concerned if your results are a lot different. No two seasons in Michigan are the same!). Finally, there are some tips for you to monitor your nest boxes more efficiently and safely for the birds.
Download a copy of the 2010 Nesting Data Form to submit your results for the 2009 nesting season by clicking here => 2010 Nestbox Data Form
2009 Nesting Season Results
| Eastern Bluebird
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Tree Swallow
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House Wren
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House Sparrow
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B. Capped Chickadee
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No. of Trails
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25 | 25 | 16 | 10 | 9 | |
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No. of Boxes Occupied
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223 | 196 | 97 | 57 | 23 | |
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No. of Nest Attempts
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300 | 217 | 118 | 111 | 23 | |
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No. of Successful Nests
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223 | 171 | 71 | 9 | 16 | |
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No. of Eggs Laid
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1,241 | 975 | 442 | 265 | 85 | |
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No. of Young Fledged
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860 | 747 | 356 | 8 | 66 | |
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% of Total Boxes
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34.7 | 30.5 | 15.1 | 8.9 | 3.6 | |
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% of Nests That Were Successful
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74.3 | 78.8 | 60.2 | 8.1 | 69.6 | |
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% of Eggs to Fledglings
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69.3 | 76.6 | 80.5 | 3.0 | 77.6 | |
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Avg. No. Eggs Per Nest Attempt
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4.1 | 4.5 | 3.7 | 2.4 | 3.7 | |
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Avg. No. Fledglings Per Successful Nest
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3.9 | 4.4 | 5.0 | 0.9 | 4.1 | |
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Note: Data is from 643 nesting boxes in counties throughout Michigan.
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Note: There are no 2007 or 2008 Nesting Season Results
2006 Nesting Season Results
| Species | Total No. of Boxes | No. of Boxes Occupied | No. of Nest Attempts | No. of Successful Nests | No. of Eggs | No. of Young Fledged | % of Successful Nests | Avg. Eggs per Nest | Avg. Fledglings per Successful Nest |
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| Black-capped Chickadee | 846 | 51 | 51 | 37 | 313 | 251 | 7.25% | 6.1 | 6.8 |
| Brown-headed Cowbird | 115 | 1 | 1 | 0 | 1 | 0 | 0.0% | 1.0 | n/a |
| Eastern Bluebird | 1082 | 435 | 571 | 400 | 2347 | 1652 | 70.1% | 4.1 | 4.1 |
| House Sparrow | 539 | 81 | 186 | 7 | 271 | 16 | 3.8% | 1.5 | 2.3 |
| House Wren | 806 | 192 | 170 | 920 | 670 | 73.3% | 4.0 | 3.9 | |
| Tree Swallow | 1050 | 301 | 225 | 1462 | 1029 | 69.9% | 4.5 | 4.6 | |
| Tufted Titmouse | 348 | 11 | 9 | 67 | 55 | 81.8% | 6.1 | 6.1 | |
| Wood Duck | 31 | 4 | 4 | 58 | 51 | 100.0% | 14.5 | 12.8 | |
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1082 | 1076 | 1378 | 852 | 5439 | 3724 | 61.8% | 3.9 |
4.4
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