Species · Michigan · BBS 2025 Release · 1966–2024
Red-shouldered Hawk Population Trend in Michigan
Red-shouldered Hawk in Michigan has surged: up 314% on the route-weighted index since 1972.
+314%Since 1972
51Routes In State
51Years
Notable Red-shouldered Hawk Trends in Michigan
long arc increasecomputed index
Red-shouldered Hawk has surged in Michigan: up 314% on the route-weighted index since 1972.
Red-shouldered Hawk Population Forecast in Michigan
If the recent trend holds, Red-shouldered Hawk in Michigan is projected to fall about 49% by 2029 — from 0.30 in 2024 to a central estimate of 0.15 (95% range 0.04–0.26). A 5-year backtest shows a typical error of ±48.1%, with 40% of held-out values landing inside the 95% band.
-49%Change by 2029
0.15Projected 2029 index
0.04–0.2695% range
±48.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.14 | 0.03 | 0.26 |
| 2026 | 0.15 | 0.03 | 0.26 |
| 2027 | 0.15 | 0.04 | 0.26 |
| 2028 | 0.15 | 0.04 | 0.26 |
| 2029 | 0.15 | 0.04 | 0.26 |
Red-shouldered Hawk Survey Routes in Michigan
| Remus | 3 | 2024 | 2007 |
| Ned Lake | 2 | 2008 | 2008 |
| Bravo | 2 | 2023 | 1982 |
| New Troy | 2 | 2024 | 2000 |
| Herron | 2 | 2016 | 2016 |
| Brush Creek | 2 | 2011 | 1993 |
| S Lyons | 2 | 1986 | 1986 |
| Cohoctah | 2 | 2024 | 2024 |
| Mayfield | 2 | 2010 | 2004 |
| Harrietta | 1 | 2024 | 1990 |
| Hungerford | 1 | 2019 | 1997 |
| Chippewa Lk. | 1 | 2024 | 2015 |
| Belding 2 | 1 | 2024 | 2017 |
| Crystal Fls | 1 | 2012 | 2012 |
| Imp Lake | 1 | 2014 | 2014 |
| Maple Grove | 1 | 2006 | 2006 |
| Hiawatha Nf | 1 | 2017 | 2017 |
| New Buffalo | 1 | 2011 | 1996 |
| Allegan Wma | 1 | 2019 | 2019 |
| Almena | 1 | 2014 | 2005 |
| Shingleton | 1 | 2007 | 2007 |
| Walloon Lake 2 | 1 | 2024 | 2005 |
| Bear Lake | 1 | 2015 | 1976 |
| Scottville | 1 | 2023 | 1992 |
| Big Blue Lk | 1 | 2024 | 1998 |
Red-shouldered Hawk Population Trend in Other States
alabamaarkansascaliforniaconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawashingtonwest-virginiawisconsin
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.