Species · BCR 11 · BBS 2025 Release · 1966–2024
Western Grebe In Prairie Potholes
Western Grebe in Prairie Potholes has edged down: down 15% on the route-weighted index since 1988.
-15%Since 1988
31Routes In Region
36Years
Notable Signals
No notable trend signals for Western Grebe in Prairie Potholes. See the full index history below.
Forecast
If the recent trend holds, Western Grebe in Prairie Potholes is projected to rise about 742% by 2029 — from 0.20 in 2024 to a central estimate of 1.7 (95% range 0.00–3.7). A 5-year backtest shows a typical error of ±227.5%, with 80% of held-out values landing inside the 95% band.
+742%Change by 2029
1.7Projected 2029 index
0.00–3.795% range
±227.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.6 | 0.00 | 3.6 |
| 2026 | 1.6 | 0.00 | 3.6 |
| 2027 | 1.6 | 0.00 | 3.6 |
| 2028 | 1.6 | 0.00 | 3.6 |
| 2029 | 1.7 | 0.00 | 3.7 |
Routes In Prairie Potholes
| Raymond | SOUTH-DAKOTA | 20 | 2014 |
| Lakota | NORTH-DAKOTA | 12 | 2005 |
| Britton | SOUTH-DAKOTA | 12 | 2023 |
| Braddock | NORTH-DAKOTA | 10 | 2022 |
| Long Lake | SOUTH-DAKOTA | 8 | 2019 |
| Douglas Crk | NORTH-DAKOTA | 7 | 2019 |
| White Lake | SOUTH-DAKOTA | 6 | 2000 |
| Lake George | NORTH-DAKOTA | 5 | 2014 |
| Cooperstown | NORTH-DAKOTA | 5 | 2023 |
| Forman | NORTH-DAKOTA | 4 | 1997 |
| Danzig | NORTH-DAKOTA | 4 | 2014 |
| Buchanan | NORTH-DAKOTA | 4 | 2024 |
| Danzig 2 | NORTH-DAKOTA | 4 | 2023 |
| Big Stone | MINNESOTA | 3 | 2003 |
| Horsehead Lk | NORTH-DAKOTA | 3 | 2024 |
| Wild Rose | NORTH-DAKOTA | 3 | 2024 |
| Howard | SOUTH-DAKOTA | 3 | 2012 |
| Lakota 2 | NORTH-DAKOTA | 2 | 2024 |
| Roswell | SOUTH-DAKOTA | 2 | 1990 |
| Courtland | MINNESOTA | 1 | 2009 |
| Dawson | MINNESOTA | 1 | 2006 |
| Chokio | MINNESOTA | 1 | 2012 |
| Great Falls | MONTANA | 1 | 2015 |
| Wimbledon | NORTH-DAKOTA | 1 | 2017 |
| Niles | NORTH-DAKOTA | 1 | 2000 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.