Virginia Bluebird Society

The following table presents the total number of birds fledged on the bluebird nest box trails reported through VBS.  These results summarize the combined statistics from nest boxes trails registered with VBS. 

Virginia Bluebird Society
Nestbox Trail Statistics
This collection of trails is a combination of those which have existed for many years, newly established or refurbished trails, and expanded trails.  The productivity shown below is the result of the dedicated efforts of the many members of VBS, and a lot of hard work by a lot of great birds.
Species
Birds Fledged
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008

Bluebirds

3,181

7,868

 8,626
8,845
4,859
6,195
6,778
9,409
11,088
12,180

Chickadees

212

585

 759 616 724
489
688
467
769
854
House Wrens
276
536
618
782
 984
873
1,131
1,437 1,544 1,480

Tree Swallows

236

852

 1,574 1,635 2,843
2,409
3,028
3,566 3,091 2,877
All Species 3,905 9,841 12,216 11,811 9,687
10,124
11,751
15,027 16,821 17,547
Total Boxes 1,135 2,135 2,500 2,230 2,409
2,275
2,857
2,825 3,658 3,615

Total Fledged/Box

 3.4 4.6 4.9 5.3
4.02
 4.45
4.11
5.32 4.6 4.9
The increases in year over year reflect more and better nest boxes, good monitoring programs, and probably more producing birds due to prior year successes.

Click on each of the links below for spreadsheets showing more detailed trail data collected and reported by VBS members from the many counties across Virginia.

 

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Bluebird in flight image by W. Long

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