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Species · Maine · BBS 2025 Release · 1966–2024

Baltimore Oriole Population Trend in Maine

All statesGeneralists

Baltimore Oriole in Maine has declined: down 46% on the route-weighted index since 1968.

-46%Since 1968
55Routes In State
58Years

Notable Baltimore Oriole Trends in Maine

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

Baltimore Oriole Population Forecast in Maine

If the recent trend holds, Baltimore Oriole in Maine is projected to fall about 52% by 2029 — from 0.63 in 2024 to a central estimate of 0.30 (95% range 0.00–1.8). A 5-year backtest shows a typical error of ±20.2%, with 100% of held-out values landing inside the 95% band.

-52%Change by 2029
0.30Projected 2029 index
0.00–1.895% range
±20.2%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
20250.470.001.9
20260.420.001.9
20270.390.001.9
20280.340.001.8
20290.300.001.8

Baltimore Oriole Survey Routes in Maine

Routes recording Baltimore Oriole in Maine.
Manchester619951971
Benton519801971
Turner420101972
Forest Sta419791966
Kittery Pt320241966
Otisfield Gr320151971
Brooks320171979
Hancock319951969
Ft Fairfield320041993
Cape Neddick220241972
Hartford220241975
Bowdoin Ctr220211971
Warren219901973
Seboomook Lk220051996
Horse Mtn219841983
St David220041982
Westbrook120141977
Biddeford120161973
Newcastle120241971
Bethel120181978
Greenwood120221966
Reeds120191992
South Arm120101983
East Troy120191972
Freedom120221974

Baltimore Oriole Population Trend in Other States

alabamaarkansascaliforniacoloradoconnecticutdelawaregeorgiaillinoisindianaiowakansaskentuckylouisianamarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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