Species · Michigan · BBS 2025 Release · 1966–2024
Bald Eagle Population Trend in Michigan
Bald Eagle in Michigan has surged: up 406% on the route-weighted index since 1984.
+406%Since 1984
46Routes In State
36Years
Notable Bald Eagle Trends in Michigan
long arc increasecomputed index
Bald Eagle has surged in Michigan: up 406% on the route-weighted index since 1984.
Bald Eagle Population Forecast in Michigan
If the recent trend holds, Bald Eagle in Michigan is projected to fall about 31% by 2029 — from 0.21 in 2024 to a central estimate of 0.15 (95% range 0.07–0.22). A 5-year backtest shows a typical error of ±39.9%, with 40% of held-out values landing inside the 95% band.
-31%Change by 2029
0.15Projected 2029 index
0.07–0.2295% range
±39.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.13 | 0.06 | 0.21 |
| 2026 | 0.14 | 0.06 | 0.21 |
| 2027 | 0.14 | 0.06 | 0.22 |
| 2028 | 0.14 | 0.07 | 0.22 |
| 2029 | 0.15 | 0.07 | 0.22 |
Bald Eagle Survey Routes in Michigan
| Seney Nwr | 2 | 2010 | 1992 |
| Lake City | 2 | 2010 | 2008 |
| Skeels | 2 | 2007 | 2007 |
| Oberlin | 2 | 2024 | 1992 |
| Maple Rapids | 2 | 2023 | 2014 |
| Cathro | 2 | 2012 | 2007 |
| Ontonagon | 1 | 2019 | 2012 |
| Bergland | 1 | 2019 | 1986 |
| Hungerford | 1 | 2023 | 2007 |
| Bootjack | 1 | 2017 | 1993 |
| Ned Lake | 1 | 2017 | 1987 |
| Chippewa Lk. | 1 | 2009 | 2001 |
| Crystal Fls | 1 | 2024 | 1989 |
| Gibbs City | 1 | 2022 | 2022 |
| Maple Grove | 1 | 2024 | 2014 |
| Ishpeming | 1 | 2016 | 1981 |
| Imp Lake | 1 | 2019 | 2019 |
| Wilson | 1 | 2004 | 2004 |
| Creighton | 1 | 1986 | 1986 |
| Walloon Lake 2 | 1 | 2008 | 2008 |
| Bear Lake | 1 | 2011 | 2011 |
| Scottville | 1 | 2019 | 2012 |
| Frederic 2 | 1 | 2014 | 2008 |
| Cluster Lakes | 1 | 2010 | 2010 |
| Barry S.G.A. 2 | 1 | 2017 | 2017 |
Bald Eagle Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.