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

Northern Mockingbird Population Trend in Maryland

All statesGeneralists

Northern Mockingbird in Maryland has declined: down 37% on the route-weighted index since 1968.

-37%Since 1968
72Routes In State
58Years

Notable Northern Mockingbird Trends in Maryland

No notable trend signals for Northern Mockingbird in Maryland. See the full index history below.

Northern Mockingbird Population Forecast in Maryland

If the recent trend holds, Northern Mockingbird in Maryland is projected to fall about 13% by 2029 — from 21 in 2024 to a central estimate of 18 (95% range 13–22). A 5-year backtest shows a typical error of ±10.3%, with 100% of held-out values landing inside the 95% band.

-13%Change by 2029
18Projected 2029 index
13–2295% range
±10.3%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
2025191423
2026181423
2027181423
2028181423
2029181322

Northern Mockingbird Survey Routes in Maryland

Routes recording Northern Mockingbird in Maryland.
Earlton6020242014
Ijamsville5720241986
Fair Hill5619961992
Bald Friar5119961992
Olney5020241966
Williamsport4920241966
Madonna4920222009
Largo4319811966
Upper Xrds4020081966
Grove Neck4019961992
Emmitsburg3820241966
Melitota3820241966
Forest Grove3720232011
Eklo3620181966
Jones3619941966
Pt Republic3619891966
Piney Neck3620241966
Cokesbury3520241966
Cheltenham3420041966
Wheaton3420241990
Silver Spg3319891966
Fowblesburg3020171966
Harmony3020171966
Millington2920241966
Nottingham2920242005

Northern Mockingbird Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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