Species · Utah · BBS 2025 Release · 1966–2024
Osprey Population Trend in Utah
Osprey in Utah has surged: up 578% on the route-weighted index since 1995.
+578%Since 1995
21Routes In State
31Years
Notable Osprey Trends in Utah
long arc increasecomputed index
Osprey has surged in Utah: up 578% on the route-weighted index since 1995.
Osprey Population Forecast in Utah
If the recent trend holds, Osprey in Utah is projected to rise about 37% by 2029 — from 0.14 in 2024 to a central estimate of 0.19 (95% range 0.12–0.26). A 5-year backtest shows a typical error of ±14.5%, with 100% of held-out values landing inside the 95% band.
+37%Change by 2029
0.19Projected 2029 index
0.12–0.2695% range
±14.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.17 | 0.10 | 0.24 |
| 2026 | 0.17 | 0.10 | 0.24 |
| 2027 | 0.18 | 0.11 | 0.25 |
| 2028 | 0.18 | 0.11 | 0.25 |
| 2029 | 0.19 | 0.12 | 0.26 |
Osprey Survey Routes in Utah
| Kamas | 6 | 2024 | 1999 |
| Navajo Lake | 5 | 2023 | 1986 |
| Callao | 4 | 1999 | 1999 |
| Logan Canyon | 2 | 2016 | 2016 |
| Bryce Canyon | 2 | 2012 | 2012 |
| Dixie Nf | 2 | 2024 | 1993 |
| Hanna | 2 | 2015 | 2015 |
| Oak City | 1 | 1996 | 1996 |
| Beaver | 1 | 2009 | 2003 |
| Randolph | 1 | 1995 | 1995 |
| M Warner Res | 1 | 2023 | 1998 |
| Alton 2 | 1 | 2023 | 2021 |
| Beck 2 | 1 | 2001 | 2001 |
| Snowville | 1 | 2014 | 2014 |
| Vernal | 1 | 2017 | 2009 |
| Ferron | 1 | 2015 | 2007 |
| Bicknell | 1 | 2013 | 2008 |
| Alton | 1 | 2011 | 1998 |
| Hardware Ranch | 1 | 2015 | 2005 |
| Ant Flat-Ogden Can | 1 | 2022 | 2022 |
| Jensen | 1 | 2003 | 2003 |
Osprey Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.