Data Zone
The site was identified as important in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Henslow's Sparrow Passerculus henslowii | LC | breeding | 2003 | 30 breeding pairs | A1 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1955 | Des Plaines Dolomite Prairies | Land And Water Reserve | <1 |
| 1978 | Grant Creek Prairie | Nature Preserve | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Midewin National Tallgrass Prairie (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/midewin-national-tallgrass-prairie-iba-usa on 25/11/2024.