| County | Species | Number of Animals |
|---|---|---|
| Bond | Bat | 1 |
| Clay | Bat | 1 |
| Cook - Chicago | Bat | 14 |
| Cook - Outside Chicago | Bat | 13 |
| DeKalb | Bat | 2 |
| DuPage | Bat | 8 |
| Grundy | Bat | 1 |
| Kane | Bat | 8 |
| Kankakee | Bat | 1 |
| Lake | Bat | 1 |
| LaSalle | Bat | 1 |
| Lee | Bat | 1 |
| Madison | Bat | 1 |
| McHenry | Bat | 2 |
| Peoria | Bat | 1 |
| Sangamon | Bat | 1 |
| Tazewell | Bat | 1 |
| Vermillion | Bat | 1 |
| Whiteside | Bat | 1 |
| Will | Bat | 20 |
| Williamson | Bat | 2 |
| Winnebago | Bat | 1 |
| Woodford | Bat | 1 |
| Total | 84 | |
Updated January 2, 2019
