Species · Minnesota · BBS 2025 Release · 1966–2024
Osprey Population Trend in Minnesota
Osprey in Minnesota has held roughly steady: up 1% on the route-weighted index since 1977.
+1%Since 1977
31Routes In State
40Years
Notable Osprey Trends in Minnesota
No notable trend signals for Osprey in Minnesota. See the full index history below.
Osprey Population Forecast in Minnesota
If the recent trend holds, Osprey in Minnesota is projected to stay roughly flat through 2029, near 0.07 (95% range 0.00–0.15). A 5-year backtest shows a typical error of ±23.3%, with 100% of held-out values landing inside the 95% band.
+3%Change by 2029
0.07Projected 2029 index
0.00–0.1595% range
±23.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.07 | 0.00 | 0.15 |
| 2026 | 0.07 | 0.00 | 0.15 |
| 2027 | 0.07 | 0.00 | 0.15 |
| 2028 | 0.07 | 0.00 | 0.15 |
| 2029 | 0.07 | 0.00 | 0.15 |
Osprey Survey Routes in Minnesota
| Bemidji | 3 | 1968 | 1968 |
| Nebish | 2 | 2023 | 1982 |
| Wigwam Bay | 2 | 2015 | 1979 |
| Edwards | 2 | 2024 | 1996 |
| Mahtowa | 2 | 2011 | 1993 |
| Tamarac Nwr | 1 | 2023 | 1999 |
| Minnetonka | 1 | 2024 | 1999 |
| Cass Lake | 1 | 1981 | 1981 |
| Princeton | 1 | 2013 | 2013 |
| Osseo | 1 | 2023 | 2016 |
| Knapp | 1 | 2024 | 2024 |
| St Stephen | 1 | 2008 | 2008 |
| Cromwell | 1 | 2023 | 1994 |
| Mille Lacs | 1 | 2018 | 2007 |
| Backus | 1 | 1986 | 1975 |
| Evergreen | 1 | 2022 | 1999 |
| Sawbill Lndg | 1 | 2006 | 2006 |
| Hart Lake | 1 | 2009 | 2009 |
| Island Lake | 1 | 1983 | 1983 |
| Cohasset | 1 | 2004 | 1975 |
| Debs | 1 | 2015 | 2008 |
| Crane Lake | 1 | 2022 | 2013 |
| Lude | 1 | 1992 | 1992 |
| Brook Park | 1 | 2014 | 2004 |
| New London | 1 | 2007 | 2007 |
Osprey Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.