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FORSTER'S TERN

The one remaining known colony of Forster’s tern in Illinois is in the Chain o’Lakes area. Despite management efforts, it is on the verge of extirpation due to predation and recreational pressures from boaters.

Photo: Lee Karney / USFWS

FORSTER'S TERN  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    Annual Change Pct. Error      
  Endangered   0     n/a   --- +/----      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IL-ENDGR

 

 

 

 

 

 

 

 

 

Uncertain

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1999-2007 TREND - Point Counts

 

 

 

 

 

 

 

 

FORSTER'S TERN

 

 

 

 

    Goodness of Fit
Chi-Square: p=
     

 

 

 

 

 

 

 

 

 

 

 

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

 

     
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