Species · BCR 22 · BBS 2025 Release · 1966–2024
American Coot In Eastern Tallgrass Prairie
American Coot in Eastern Tallgrass Prairie has collapsed: down 94% on the route-weighted index since 1970.
-94%Since 1970
30Routes In Region
35Years
Notable Signals
long arc declinecomputed index
American Coot has collapsed in Eastern Tallgrass Prairie: down 94% on the route-weighted index since 1970.
Forecast
If the recent trend holds, American Coot in Eastern Tallgrass Prairie is projected to stay roughly flat through 2024, near 0.00 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±1048.6%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2024
0.00Projected 2024 index
0.00–0.1795% range
±1048.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2020 | 0.00 | 0.00 | 0.17 |
| 2021 | 0.00 | 0.00 | 0.17 |
| 2022 | 0.00 | 0.00 | 0.17 |
| 2023 | 0.00 | 0.00 | 0.17 |
| 2024 | 0.00 | 0.00 | 0.17 |
Routes In Eastern Tallgrass Prairie
| Austin | MINNESOTA | 16 | 2001 |
| Stet | MISSOURI | 11 | 1973 |
| Sheffield | ILLINOIS | 6 | 1973 |
| Pierson | IOWA | 4 | 2009 |
| New Lenox | ILLINOIS | 2 | 1984 |
| Chandlervill | ILLINOIS | 2 | 1986 |
| Jamestown | ILLINOIS | 2 | 1976 |
| Grape Creek | ILLINOIS | 2 | 2002 |
| Gary | INDIANA | 2 | 1984 |
| Bedford | IOWA | 2 | 1979 |
| Ash Creek | MINNESOTA | 2 | 1993 |
| Lakeville | MINNESOTA | 2 | 1989 |
| Raymond | WISCONSIN | 2 | 1974 |
| Geneseo | ILLINOIS | 1 | 1988 |
| Newark | ILLINOIS | 1 | 1984 |
| Melrose | ILLINOIS | 1 | 1976 |
| Bluff Spgs | ILLINOIS | 1 | 1975 |
| Belleview | ILLINOIS | 1 | 1976 |
| Pawnee | ILLINOIS | 1 | 1972 |
| Beaucoup | ILLINOIS | 1 | 1985 |
| Troy Grove | ILLINOIS | 1 | 2019 |
| Eldred | ILLINOIS | 1 | 2012 |
| W Lafayette | INDIANA | 1 | 2011 |
| Sioux City | IOWA | 1 | 2017 |
| Rock Valley | IOWA | 1 | 1972 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.