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
0.070.2295% range
±39.9%Backtest error
19742029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.130.060.21
20260.140.060.21
20270.140.060.22
20280.140.070.22
20290.150.070.22

Bald Eagle Survey Routes in Michigan

Routes recording Bald Eagle in Michigan.
Seney Nwr220101992
Lake City220102008
Skeels220072007
Oberlin220241992
Maple Rapids220232014
Cathro220122007
Ontonagon120192012
Bergland120191986
Hungerford120232007
Bootjack120171993
Ned Lake120171987
Chippewa Lk.120092001
Crystal Fls120241989
Gibbs City120222022
Maple Grove120242014
Ishpeming120161981
Imp Lake120192019
Wilson120042004
Creighton119861986
Walloon Lake 2120082008
Bear Lake120112011
Scottville120192012
Frederic 2120142008
Cluster Lakes120102010
Barry S.G.A. 2120172017

Bald Eagle Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.