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
0.000.1595% range
±23.3%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.070.000.15
20260.070.000.15
20270.070.000.15
20280.070.000.15
20290.070.000.15

Osprey Survey Routes in Minnesota

Routes recording Osprey in Minnesota.
Bemidji319681968
Nebish220231982
Wigwam Bay220151979
Edwards220241996
Mahtowa220111993
Tamarac Nwr120231999
Minnetonka120241999
Cass Lake119811981
Princeton120132013
Osseo120232016
Knapp120242024
St Stephen120082008
Cromwell120231994
Mille Lacs120182007
Backus119861975
Evergreen120221999
Sawbill Lndg120062006
Hart Lake120092009
Island Lake119831983
Cohasset120041975
Debs120152008
Crane Lake120222013
Lude119921992
Brook Park120142004
New London120072007

Osprey Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.