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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 |
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Conservation Status | # of Points | # of Records | Credibility | Annual Change | Pct. Error | ||||||||||
None Noted | 288 | 1295 | Mod. | +4% | +/-4% | ||||||||||
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Uncertain |
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Technical Details - Graph |
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Goodness of Fit Chi-Square: p= 0 |
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Fails |
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model fits if p >0.05 (model estimate is not significantly dif. from observed counts) |
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Copyright © 2008 Audubon - Chicago Region & Bird Conservation Network | ||||||
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