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TREE SWALLOW

The Tree Swallow is a common breeder in the CW Region, less common to the south. Breeding habitat includes cavities in trees (often near water) or in man-made structures such as bluebird boxes. Trends indicate that this species is increasing in our area. Photo: © Eric Secker

TREE SWALLOW  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    Annual Change Pct. Error      
  None Noted   288   1295   Mod.   +4% +/-4%      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Uncertain

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1999-2007 TREND - Point Counts

 

 

 

 

 

 

 

 

TREE SWALLOW

 

 

 

 

    Goodness of Fit
Chi-Square: p= 0
     

 

 

 

 

 

 

 

 

Fails

 

 

 

    model fits if p >0.05 (model
estimate is not significantly
dif. from observed counts)
     
           

 

     
Copyright © 2008 Audubon - Chicago Region & Bird Conservation Network