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NORTHERN ROUGH-WINGED SWALLOW

The Northern Rough-winged Swallow is a fairly common breeder in the CW Region. Breeding habitat usually includes riverbanks and culverts near water. Trends suggest a yearly decrease but have a high range of error. This species is also not very well monitored by the BCN Survey. Photo: © Eric Secker

NORTHERN ROUGH-WINGED SWALLOW  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    Annual Change Pct. Error      
  None Noted   54   258   Mod.   -9% +/-13%      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Uncertain

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1999-2007 TREND - Point Counts

 

 

 

 

 

 

 

 

NORTHERN ROUGH-WINGED 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