Species · BCR 22 · BBS 2025 Release · 1966–2024
American Redstart In Eastern Tallgrass Prairie
American Redstart in Eastern Tallgrass Prairie has surged: up 173% on the route-weighted index since 1968.
+173%Since 1968
119Routes In Region
58Years
Notable Signals
long arc increasecomputed index
American Redstart has surged in Eastern Tallgrass Prairie: up 173% on the route-weighted index since 1968.
Forecast
If the recent trend holds, American Redstart in Eastern Tallgrass Prairie is projected to fall about 26% by 2029 — from 0.28 in 2024 to a central estimate of 0.20 (95% range 0.10–0.31). A 5-year backtest shows a typical error of ±18.5%, with 100% of held-out values landing inside the 95% band.
-26%Change by 2029
0.20Projected 2029 index
0.10–0.3195% range
±18.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.19 | 0.09 | 0.30 |
| 2026 | 0.20 | 0.09 | 0.30 |
| 2027 | 0.20 | 0.10 | 0.30 |
| 2028 | 0.20 | 0.10 | 0.30 |
| 2029 | 0.20 | 0.10 | 0.31 |
Routes In Eastern Tallgrass Prairie
| Wallace | INDIANA | 12 | 2024 |
| Ashley | OHIO | 10 | 1996 |
| Maquoketa | IOWA | 6 | 2024 |
| Thurston | NEBRASKA | 6 | 2024 |
| St Morgan | ILLINOIS | 5 | 2022 |
| West Liberty | IOWA | 4 | 2024 |
| Frontenac | MINNESOTA | 4 | 2024 |
| Mascoutah Lk | ILLINOIS | 3 | 2024 |
| Lake Summerset | ILLINOIS | 3 | 2019 |
| Kahoka | MISSOURI | 3 | 1967 |
| River Falls | WISCONSIN | 3 | 2022 |
| Sheffield | ILLINOIS | 2 | 2024 |
| Newark | ILLINOIS | 2 | 2018 |
| Monica | ILLINOIS | 2 | 2016 |
| Shannon | ILLINOIS | 2 | 2023 |
| Darmstadt | ILLINOIS | 2 | 2021 |
| Union | ILLINOIS | 2 | 2017 |
| Gary | INDIANA | 2 | 1981 |
| Shelbyville | INDIANA | 2 | 2013 |
| Cedar Valley | IOWA | 2 | 1995 |
| Lafayette | IOWA | 2 | 2024 |
| Rock Creek | KANSAS | 2 | 1994 |
| Ash Creek | MINNESOTA | 2 | 2019 |
| Bolckow | MISSOURI | 2 | 1986 |
| Tarkio | MISSOURI | 2 | 1970 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.