Species · Michigan · BBS 2025 Release · 1966–2024

Baltimore Oriole Population Trend in Michigan

Baltimore Oriole in Michigan has edged up: up 20% on the route-weighted index since 1968.

+20%Since 1968
99Routes In State
58Years

Notable Baltimore Oriole Trends in Michigan

No notable trend signals for Baltimore Oriole in Michigan. See the full index history below.

Baltimore Oriole Population Forecast in Michigan

If the recent trend holds, Baltimore Oriole in Michigan is projected to rise about 23% by 2029 — from 3.1 in 2024 to a central estimate of 3.8 (95% range 1.3–6.3). A 5-year backtest shows a typical error of ±13.7%, with 100% of held-out values landing inside the 95% band.

+23%Change by 2029
3.8Projected 2029 index
1.36.395% range
±13.7%Backtest error
19662029
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
20253.91.46.4
20263.91.46.4
20273.81.46.3
20283.81.36.3
20293.81.36.3

Baltimore Oriole Survey Routes in Michigan

Routes recording Baltimore Oriole in Michigan.
Homer1920211975
Frederic1520011971
Traverse Cty1419921975
Galesburg1420241966
Holt1420081969
Irons1319891970
Barry S.G.A. 21320192013
Monterey1220231978
Hartland1220111992
Remus1120241974
Drayton Plns1119871973
Howardsville1020241969
Prattville920211967
Hungerford920241991
Chippewa Lk.920241992
Almena920151993
Allegan Wma820191993
Rochester720241993
Bear Lake620241967
Richmond620241999
Barry S.G.A.620121995
Cunard520211974
Pleasant Val519971967
Riggsville520191967
No Bradley520241970

Baltimore Oriole Population Trend in Other States

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