Species · Utah · BBS 2025 Release · 1966–2024
Cooper's Hawk Population Trend in Utah
Cooper's Hawk in Utah has fallen sharply: down 72% on the route-weighted index since 1982.
-72%Since 1982
50Routes In State
39Years
Notable Cooper's Hawk Trends in Utah
long arc declinecomputed index
Cooper's Hawk has fallen sharply in Utah: down 71% on the route-weighted index since 1982.
Cooper's Hawk Population Forecast in Utah
If the recent trend holds, Cooper's Hawk in Utah is projected to fall about 59% by 2029 — from 0.07 in 2024 to a central estimate of 0.03 (95% range 0.00–0.12). A 5-year backtest shows a typical error of ±61.2%, with 100% of held-out values landing inside the 95% band.
-59%Change by 2029
0.03Projected 2029 index
0.00–0.1295% range
±61.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.12 |
| 2026 | 0.03 | 0.00 | 0.12 |
| 2027 | 0.03 | 0.00 | 0.12 |
| 2028 | 0.03 | 0.00 | 0.12 |
| 2029 | 0.03 | 0.00 | 0.12 |
Cooper's Hawk Survey Routes in Utah
| Ferron | 3 | 2018 | 2001 |
| Shivwitz | 2 | 2018 | 2011 |
| Wellington 3 | 1 | 2021 | 2014 |
| Moon Lake 2 | 1 | 2021 | 2021 |
| Beck | 1 | 1977 | 1977 |
| Altonah | 1 | 1982 | 1982 |
| Book Ridge | 1 | 2022 | 2016 |
| Lost Cr. Res | 1 | 2017 | 2002 |
| Red Spur Mtn. | 1 | 2008 | 1998 |
| Bryce Canyon | 1 | 2024 | 2008 |
| Woodruff | 1 | 2008 | 2008 |
| Beaver | 1 | 1990 | 1982 |
| Navajo Lake | 1 | 2007 | 2007 |
| Boulder | 1 | 1995 | 1971 |
| Hite | 1 | 2005 | 1993 |
| Aneth | 1 | 2014 | 2014 |
| Lynn | 1 | 2023 | 1991 |
| Vernon | 1 | 2023 | 2014 |
| M Warner Res | 1 | 2018 | 1994 |
| Fayette | 1 | 2017 | 2006 |
| Skyline Driv | 1 | 1999 | 1999 |
| Richfield | 1 | 2015 | 2014 |
| Gooseberry | 1 | 2010 | 2010 |
| Dixie Nf | 1 | 1996 | 1994 |
| Hatch | 1 | 2019 | 2003 |
Cooper's Hawk Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.