Species · Minnesota · BBS 2025 Release · 1966–2024
Bank Swallow Population Trend in Minnesota
Bank Swallow in Minnesota has fallen sharply: down 74% on the route-weighted index since 1969.
-74%Since 1969
73Routes In State
57Years
Notable Bank Swallow Trends in Minnesota
long arc declinecomputed index
Bank Swallow has fallen sharply in Minnesota: down 74% on the route-weighted index since 1969.
Bank Swallow Population Forecast in Minnesota
If the recent trend holds, Bank Swallow in Minnesota is projected to stay roughly flat through 2029, near 1.8 (95% range 0.00–6.8). A 5-year backtest shows a typical error of ±63.2%, with 100% of held-out values landing inside the 95% band.
+9%Change by 2029
1.8Projected 2029 index
0.00–6.895% range
±63.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.0 | 0.00 | 7.0 |
| 2026 | 2.0 | 0.00 | 7.0 |
| 2027 | 1.9 | 0.00 | 6.9 |
| 2028 | 1.8 | 0.00 | 6.8 |
| 2029 | 1.8 | 0.00 | 6.8 |
Bank Swallow Survey Routes in Minnesota
| Whitewater 2 | 49 | 2015 | 2014 |
| Whitewater | 40 | 2000 | 1994 |
| Courtland | 39 | 2024 | 1978 |
| Money Creek | 32 | 2019 | 1969 |
| Appleton | 27 | 2023 | 1978 |
| Bena | 20 | 1967 | 1967 |
| Millville | 18 | 2019 | 1967 |
| Glyndon | 13 | 2024 | 1978 |
| Big Stone | 13 | 2012 | 1995 |
| Frontenac | 12 | 2024 | 2009 |
| Hartland | 10 | 2017 | 1967 |
| Edwards | 10 | 2024 | 1981 |
| Lude | 10 | 2016 | 1978 |
| Bagley | 10 | 1995 | 1995 |
| Arlington | 8 | 1973 | 1967 |
| Cromwell | 8 | 2022 | 1972 |
| Nebish | 8 | 1993 | 1988 |
| Knapp | 7 | 2019 | 1967 |
| St Stephen | 7 | 2016 | 1967 |
| Bemidji | 7 | 1980 | 1979 |
| Franklin | 7 | 2012 | 2012 |
| Mahtowa | 7 | 1993 | 1993 |
| Evergreen | 6 | 2024 | 1968 |
| Tenney | 6 | 1996 | 1978 |
| Chatfield | 5 | 1995 | 1967 |
Bank Swallow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.