BirdAnalyst
Species · Maryland · BBS 2025 Release · 1966–2024

Orchard Oriole Population Trend in Maryland

All statesGeneralists

Orchard Oriole in Maryland has surged: up 114% on the route-weighted index since 1968.

+114%Since 1968
76Routes In State
58Years

Notable Orchard Oriole Trends in Maryland

long arc increasecomputed index

Orchard Oriole has surged in Maryland: up 114% on the route-weighted index since 1968.

Orchard Oriole Population Forecast in Maryland

If the recent trend holds, Orchard Oriole in Maryland is projected to rise about 45% by 2029 — from 3.7 in 2024 to a central estimate of 5.3 (95% range 3.2–7.5). A 5-year backtest shows a typical error of ±44.9%, with 100% of held-out values landing inside the 95% band.

+45%Change by 2029
5.3Projected 2029 index
3.2–7.595% range
±44.9%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
20255.23.07.3
20265.23.17.4
20275.33.17.4
20285.33.17.4
20295.33.27.5

Orchard Oriole Survey Routes in Maryland

Routes recording Orchard Oriole in Maryland.
Cokesbury1820241966
Honga1520241966
Ijamsville1520241986
Madison1120241967
Walnut1120241999
Tall Timbers920141966
Fruitland919981966
Cheltenham820041966
Forest Grove820232011
Fair Hill819961992
Earlton720242014
Smithsburg620141970
Olney620241975
Jones619941966
Vienna620241966
Emmitsburg520241966
La Plata520091967
Matthews520241966
Snow Hill519761966
Indiantown520141977
Madonna520222009
Nottingham520242005
Wolfsville420231974
Silver Spg419891966
Warfieldsbrg420181966

Orchard Oriole Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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