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

Osprey Population Trend in Wyoming

All statesGeneralists

Osprey in Wyoming has risen sharply: up 70% on the route-weighted index since 1975.

+70%Since 1975
31Routes In State
48Years

Notable Osprey Trends in Wyoming

long arc increasecomputed index

Osprey has risen sharply in Wyoming: up 70% on the route-weighted index since 1975.

Osprey Population Forecast in Wyoming

If the recent trend holds, Osprey in Wyoming is projected to fall about 21% by 2029 — from 0.25 in 2024 to a central estimate of 0.20 (95% range 0.08–0.31). A 5-year backtest shows a typical error of ±37.2%, with 100% of held-out values landing inside the 95% band.

-21%Change by 2029
0.20Projected 2029 index
0.08–0.3195% range
±37.2%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
20250.180.070.30
20260.190.070.30
20270.190.070.31
20280.190.080.31
20290.200.080.31

Osprey Survey Routes in Wyoming

Routes recording Osprey in Wyoming.
Wilson520241979
Mammoth320101991
Otto220082008
Basin220232017
Yellowstone220191988
Clark220242003
Lovell220192003
Seedskadee 2220242024
Alpine220241980
Horse Creek220241999
Colter Bay 2220242021
Fiddler Lk220241993
Wamsutter220242024
Fox Park220222022
Ne Entrance120212001
Colter Bay119991968
Dubois120222009
Midvale119751975
Fontenelle120241993
Seely 2120222022
Moose120221983
Dayton120092009
Crowheart120212008
Sussex120242024
Seedskadee120231994

Osprey Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsin

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