BirdAnalyst
Species · Oregon · BBS 2025 Release · 1966–2024

Osprey Population Trend in Oregon

All statesGeneralists

Osprey in Oregon has surged: up 566% on the route-weighted index since 1971.

+566%Since 1971
71Routes In State
55Years

Notable Osprey Trends in Oregon

long arc increasecomputed index

Osprey has surged in Oregon: up 566% on the route-weighted index since 1971.

Osprey Population Forecast in Oregon

If the recent trend holds, Osprey in Oregon is projected to rise about 105% by 2029 — from 0.21 in 2024 to a central estimate of 0.44 (95% range 0.22–0.66). A 5-year backtest shows a typical error of ±33.9%, with 100% of held-out values landing inside the 95% band.

+105%Change by 2029
0.44Projected 2029 index
0.22–0.6695% range
±33.9%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
20250.420.200.64
20260.420.200.64
20270.430.210.65
20280.430.220.65
20290.440.220.66

Osprey Survey Routes in Oregon

Routes recording Osprey in Oregon.
Modoc Point 2520242024
Scappoose420231996
Winberry420231972
Secret Val320221978
Tualatin220242000
Umpqua220231990
Fandango Can220102010
Wizard Falls220172000
Wedderburn220241991
Modoc Point220181975
Bly 2220112011
Joseph220241998
Dayton220241994
Garfield220221988
Svensen219921990
Granite220042001
Twickenham220242010
Umatilla220232021
Shellrock120181986
Sandy River120061994
Albee120132013
Santiam120162009
Imnaha120232018
Summit Pr119991997
Cool Camp120001974

Osprey Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiopennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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