Species · Colorado · BBS 2025 Release · 1966–2024
Cooper's Hawk Population Trend in Colorado
Cooper's Hawk in Colorado has edged down: down 21% on the route-weighted index since 1974.
-21%Since 1974
72Routes In State
42Years
Notable Cooper's Hawk Trends in Colorado
No notable trend signals for Cooper's Hawk in Colorado. See the full index history below.
Cooper's Hawk Population Forecast in Colorado
If the recent trend holds, Cooper's Hawk in Colorado is projected to fall about 15% by 2029 — from 0.07 in 2024 to a central estimate of 0.06 (95% range 0.01–0.12). A 5-year backtest shows a typical error of ±25.7%, with 100% of held-out values landing inside the 95% band.
-15%Change by 2029
0.06Projected 2029 index
0.01–0.1295% range
±25.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.06 | 0.01 | 0.12 |
| 2026 | 0.06 | 0.01 | 0.12 |
| 2027 | 0.06 | 0.01 | 0.12 |
| 2028 | 0.06 | 0.01 | 0.12 |
| 2029 | 0.06 | 0.01 | 0.12 |
Cooper's Hawk Survey Routes in Colorado
| Pagosa Spgs | 2 | 1978 | 1974 |
| De Beque | 2 | 2021 | 1993 |
| Gardner | 2 | 2011 | 1999 |
| Yampa | 1 | 2016 | 2016 |
| Harmony | 1 | 2022 | 1975 |
| Fleming | 1 | 1969 | 1969 |
| Douglas Pass | 1 | 2024 | 1990 |
| Buford | 1 | 2017 | 2001 |
| Aspen | 1 | 2024 | 2014 |
| Cheesman Lk | 1 | 2011 | 1971 |
| Kiowa | 1 | 2010 | 2010 |
| Rosevale | 1 | 2017 | 2017 |
| Mesaverde Np | 1 | 2024 | 2000 |
| Delta | 1 | 2021 | 2003 |
| Colona | 1 | 2012 | 1981 |
| Parlin | 1 | 2011 | 1983 |
| Falfa | 1 | 2012 | 2012 |
| Summitville | 1 | 2008 | 2005 |
| Wray Gulch | 1 | 2016 | 1998 |
| Wilson Creek | 1 | 2023 | 2000 |
| Waverly | 1 | 2008 | 2008 |
| Fruita | 1 | 2002 | 1999 |
| Willow Peak | 1 | 2007 | 2007 |
| Red Cliff | 1 | 2016 | 2001 |
| Tarryall | 1 | 2011 | 1992 |
Cooper's Hawk Population Trend in Other States
alabamaarizonaarkansascaliforniaconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.