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Home  •  Birds  •  Bluebird Recovery Program  •  Statistics

                   
2001 2002 2003 2004 2005 2006      
Boxes monitored 664 544 700 630 536 515    
Boxes w/ bluebird eggs 394 300 413  409 348 262    
% of boxes with eggs 59 55 59 65 64 51    
No. of bluebird eggs 2415 2054 2390 2517 2192 2497    
No. of eggs hatched 1835 1618 1837 2035 1645 1982    
No. fledged 1454 1483 1698 1567 1450 1810    
% of eggs fledged 60 72 71 62 66 72    
Aver. no. eggs / box 6.1 6.8 5.8 6.1

6.3

 9.5    
 


  1992 1993 1994 1995 1996 1997 1998 1999 2000
Boxes monitored 166 230 306 377 440 456 563 591 642
Boxes w/ bluebird eggs 85 111 161 299 224 234 298 302 350
% of boxes with eggs 51 48 53 79 51 51 53 51 55
No. of bluebird eggs 473 524 853 1102 1144 1344 1883 1993 1983
No. of eggs hatched 609 800 808 1229 1507 1433 1747
% of eggs fledged 231 214 540 757 677 1053 1465 1296 1652
% of eggs fledged 49 41 63 69 59 78 78 65 83
Aver. no. eggs / box 5.6 4.7 5.3 3.9 5.1 5.7 6.3 6.6 5.7

 

 


 

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