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
1.3–6.395% range
±13.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.9 | 1.4 | 6.4 |
| 2026 | 3.9 | 1.4 | 6.4 |
| 2027 | 3.8 | 1.4 | 6.3 |
| 2028 | 3.8 | 1.3 | 6.3 |
| 2029 | 3.8 | 1.3 | 6.3 |
Baltimore Oriole Survey Routes in Michigan
| Homer | 19 | 2021 | 1975 |
| Frederic | 15 | 2001 | 1971 |
| Traverse Cty | 14 | 1992 | 1975 |
| Galesburg | 14 | 2024 | 1966 |
| Holt | 14 | 2008 | 1969 |
| Irons | 13 | 1989 | 1970 |
| Barry S.G.A. 2 | 13 | 2019 | 2013 |
| Monterey | 12 | 2023 | 1978 |
| Hartland | 12 | 2011 | 1992 |
| Remus | 11 | 2024 | 1974 |
| Drayton Plns | 11 | 1987 | 1973 |
| Howardsville | 10 | 2024 | 1969 |
| Prattville | 9 | 2021 | 1967 |
| Hungerford | 9 | 2024 | 1991 |
| Chippewa Lk. | 9 | 2024 | 1992 |
| Almena | 9 | 2015 | 1993 |
| Allegan Wma | 8 | 2019 | 1993 |
| Rochester | 7 | 2024 | 1993 |
| Bear Lake | 6 | 2024 | 1967 |
| Richmond | 6 | 2024 | 1999 |
| Barry S.G.A. | 6 | 2012 | 1995 |
| Cunard | 5 | 2021 | 1974 |
| Pleasant Val | 5 | 1997 | 1967 |
| Riggsville | 5 | 2019 | 1967 |
| No Bradley | 5 | 2024 | 1970 |
Baltimore Oriole Population Trend in Other States
alabamaarkansascaliforniacoloradoconnecticutdelawaregeorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.