Species · Idaho · BBS 2025 Release · 1966–2024
Cooper's Hawk Population Trend in Idaho
Cooper's Hawk in Idaho has collapsed: down 87% on the route-weighted index since 1976.
-87%Since 1976
28Routes In State
34Years
Notable Cooper's Hawk Trends in Idaho
long arc declinecomputed index
Cooper's Hawk has collapsed in Idaho: down 87% on the route-weighted index since 1976.
Cooper's Hawk Population Forecast in Idaho
If the recent trend holds, Cooper's Hawk in Idaho is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.12). A 5-year backtest shows a typical error of ±157.6%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1295% range
±157.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.12 |
| 2026 | 0.00 | 0.00 | 0.12 |
| 2027 | 0.00 | 0.00 | 0.12 |
| 2028 | 0.00 | 0.00 | 0.12 |
| 2029 | 0.00 | 0.00 | 0.12 |
Cooper's Hawk Survey Routes in Idaho
| Challis | 2 | 2019 | 1976 |
| Rochat Divde | 2 | 2014 | 2014 |
| Preston | 2 | 1993 | 1993 |
| Naples | 1 | 2008 | 1988 |
| Mivoden | 1 | 2017 | 1989 |
| Avery | 1 | 2022 | 1993 |
| Gifford | 1 | 2017 | 2006 |
| Lolo Pass | 1 | 2005 | 1994 |
| Kyle Canyon | 1 | 1991 | 1986 |
| Baker | 1 | 1987 | 1987 |
| Cascade | 1 | 1970 | 1970 |
| N Fork Cda R | 1 | 2007 | 2007 |
| Leadore | 1 | 1979 | 1976 |
| Dubois | 1 | 2008 | 1969 |
| Squirrel | 1 | 2014 | 1987 |
| Blacks Creek | 1 | 2001 | 2001 |
| Centerville | 1 | 2008 | 1993 |
| Ririe | 1 | 1986 | 1986 |
| Triangle | 1 | 2006 | 2006 |
| Magic Mtn | 1 | 2024 | 2004 |
| Pocatello | 1 | 2019 | 2019 |
| Coolin | 1 | 2023 | 2021 |
| Joel | 1 | 2015 | 2015 |
| Salmon River | 1 | 1991 | 1991 |
| Silver City | 1 | 2014 | 2014 |
Cooper's Hawk Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.