Species · BCR 11 · BBS 2025 Release · 1966–2024
Bank Swallow In Prairie Potholes
Bank Swallow in Prairie Potholes has held roughly steady: down 2% on the route-weighted index since 1969.
-2%Since 1969
111Routes In Region
57Years
Notable Signals
No notable trend signals for Bank Swallow in Prairie Potholes. See the full index history below.
Forecast
If the recent trend holds, Bank Swallow in Prairie Potholes is projected to rise about 73% by 2029 — from 2.5 in 2024 to a central estimate of 4.2 (95% range 1.8–6.7). A 5-year backtest shows a typical error of ±53.4%, with 100% of held-out values landing inside the 95% band.
+73%Change by 2029
4.2Projected 2029 index
1.8–6.795% range
±53.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.2 | 1.7 | 6.6 |
| 2026 | 4.2 | 1.7 | 6.7 |
| 2027 | 4.2 | 1.7 | 6.7 |
| 2028 | 4.2 | 1.7 | 6.7 |
| 2029 | 4.2 | 1.8 | 6.7 |
Routes In Prairie Potholes
| Walcott | NORTH-DAKOTA | 70 | 2023 |
| Courtland | MINNESOTA | 39 | 2024 |
| Abercrombie | NORTH-DAKOTA | 39 | 2012 |
| Great Falls | MONTANA | 30 | 2022 |
| Appleton | MINNESOTA | 27 | 2023 |
| Ponca | NEBRASKA | 27 | 2024 |
| Chinook | MONTANA | 22 | 2024 |
| Rolla | NORTH-DAKOTA | 20 | 2007 |
| Winside | NEBRASKA | 19 | 2000 |
| Bowesmont | NORTH-DAKOTA | 16 | 1996 |
| Horsehead Lk | NORTH-DAKOTA | 15 | 2022 |
| Webster | NORTH-DAKOTA | 15 | 2024 |
| Glyndon | MINNESOTA | 13 | 2024 |
| Big Stone | MINNESOTA | 13 | 2012 |
| Wolf Point | MONTANA | 12 | 2023 |
| Geddes | SOUTH-DAKOTA | 12 | 1974 |
| Hartland | MINNESOTA | 10 | 2017 |
| Midway | NEBRASKA | 10 | 2000 |
| Cooperstown | NORTH-DAKOTA | 10 | 2024 |
| Wilmot | SOUTH-DAKOTA | 10 | 2016 |
| Denbigh | NORTH-DAKOTA | 9 | 2024 |
| Roswell | SOUTH-DAKOTA | 9 | 2014 |
| Arlington | MINNESOTA | 8 | 1973 |
| Whitlash | MONTANA | 8 | 2016 |
| Niles | NORTH-DAKOTA | 8 | 2015 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.