Worm-eating Warbler
Helmitheros vermivorus |
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Worm-eating Warbler
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| AOU Code |
WEWA |
| Habitat Association |
Deciduous forest and damp, bushy ravines with dense undergrowth; also locally in regenerating clear-cuts; in migration, a variety of wooded habitats; in winter, primarily broadleaf forest with dense undergrowth (AOU 1998). |
| Nest Type and Location |
open-cup, midstory/canopy |
| Migration Status |
Neotropical |
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Worm-eating Warbler Predicted Relative Abundance Map
This map indicates predicted relative species abundance.
The predicted count of any cell in the map represents the expected count if a Breeding Bird Survey route were centered on that cell.
Worm-eating Warbler Mean Abundance Map
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Worm-eating Best Model
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Worm-eating Warbler |
| Variable |
2.50% |
Median |
97.50% |
| Slope of the temporal trend |
-0.012 |
0.004 |
0.021 |
| Proportion of the landscape in
Deer Forage |
0.162 |
0.335 |
0.499 |
| Proportion of landscape in
Wooded Wetland |
-0.551 |
-0.272 |
0.016 |
| Mean Precipitation |
-0.801 |
-0.441 |
-0.089 |
| Mean Wetness Potential |
-0.364 |
-0.076 |
0.212 |
| Proportion of the landscape
in Oak/Elm |
-0.155 |
0.066 |
0.275 |
| Area-weighted Mean Patch Size
of Forest@ |
-0.563 |
-0.232 |
0.086 |
| Forest Edge Density |
-0.150 |
0.069 |
0.293 |
| Proportion of landscape in
Forest |
0.587 |
0.990 |
1.395 |
| Brown-headed Cowbird Relative
Abundance |
-0.193 |
0.107 |
0.403 |
| Acid Deposition |
-0.055 |
0.032 |
0.120 |
| Soil pH |
-0.279 |
-0.028 |
0.225 |
| Interaction of Acid
Deposition and Soil pH |
-0.020 |
0.074 |
0.169 |
| Intercept |
-3.449 |
-0.809 |
0.506 |
| Observer Effect |
-2.405 |
-1.145 |
1.504 |
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| @ After adjusting for proportion of forest |
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Worm-eating Warbler Validation Plot
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Avian
Species-of-Concern in the Appalachian Mountains (Bird Conservation Region 28) 
U.S. Department of the Interior |
U.S. Geological Survey
