Species · BCR 22 · BBS 2025 Release · 1966–2024
Wood Thrush In Eastern Tallgrass Prairie
Wood Thrush in Eastern Tallgrass Prairie has surged: up 160% on the route-weighted index since 1968.
+160%Since 1968
236Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Wood Thrush has surged in Eastern Tallgrass Prairie: up 160% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Wood Thrush in Eastern Tallgrass Prairie is projected to fall about 23% by 2029 — from 1.6 in 2024 to a central estimate of 1.2 (95% range 0.81–1.6). A 5-year backtest shows a typical error of ±38.7%, with 0% of held-out values landing inside the 95% band.
-23%Change by 2029
1.2Projected 2029 index
0.81–1.695% range
±38.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.2 | 0.75 | 1.6 |
| 2026 | 1.2 | 0.77 | 1.6 |
| 2027 | 1.2 | 0.78 | 1.6 |
| 2028 | 1.2 | 0.79 | 1.6 |
| 2029 | 1.2 | 0.81 | 1.6 |
Routes In Eastern Tallgrass Prairie
| Ash Ridge | OHIO | 19 | 2021 |
| Brookville | INDIANA | 16 | 2024 |
| House Springs | MISSOURI | 14 | 2024 |
| Belleview | ILLINOIS | 12 | 2024 |
| Eldred | ILLINOIS | 10 | 2021 |
| Auburn | MISSOURI | 10 | 2024 |
| Irvington | NEBRASKA | 10 | 1998 |
| Harveysburg | OHIO | 9 | 1996 |
| Duncan Mills | ILLINOIS | 8 | 2024 |
| Montpelier | INDIANA | 8 | 2024 |
| Moselle | MISSOURI | 8 | 2024 |
| Sheffield | ILLINOIS | 7 | 2024 |
| Concord | ILLINOIS | 7 | 2024 |
| New Point | MISSOURI | 7 | 2024 |
| Watson | MISSOURI | 7 | 2019 |
| W Lafayette | INDIANA | 6 | 2024 |
| Marion 2 | OHIO | 6 | 2024 |
| Harveysburg 2 | OHIO | 6 | 2024 |
| Deer Creek | ILLINOIS | 5 | 2024 |
| Mackinaw | ILLINOIS | 5 | 2022 |
| Janesville | ILLINOIS | 5 | 2024 |
| Robinson | ILLINOIS | 5 | 2023 |
| Shelbyville | INDIANA | 5 | 2024 |
| Wallace | INDIANA | 5 | 2024 |
| Frazier | MISSOURI | 5 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.