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

Red-tailed Hawk Population Trend in Maryland

All statesGeneralists

Red-tailed Hawk in Maryland has surged: up 635% on the route-weighted index since 1968.

+635%Since 1968
73Routes In State
58Years

Notable Red-tailed Hawk Trends in Maryland

long arc increasecomputed index

Red-tailed Hawk has surged in Maryland: up 635% on the route-weighted index since 1968.

Red-tailed Hawk Population Forecast in Maryland

If the recent trend holds, Red-tailed Hawk in Maryland is projected to rise about 16% by 2029 — from 1.2 in 2024 to a central estimate of 1.4 (95% range 1.1–1.7). A 5-year backtest shows a typical error of ±24.3%, with 40% of held-out values landing inside the 95% band.

+16%Change by 2029
1.4Projected 2029 index
1.1–1.795% range
±24.3%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
20251.30.981.6
20261.31.01.6
20271.31.01.7
20281.41.01.7
20291.41.11.7

Red-tailed Hawk Survey Routes in Maryland

Routes recording Red-tailed Hawk in Maryland.
Williamsport820241986
Emmitsburg720241976
Olney520241968
Harmony520171967
Earlton520242014
Madison420221966
Cokesbury420241969
Potomac Park320211970
Upper Xrds320081976
Cheltenham320011974
Millington320241968
Matthews320241966
Vindex220241980
Oldtown220231990
Bachman Mill220231972
Eklo220181977
Walnut220242004
Berlin220151980
La Plata220091984
Northeast220131978
Easton220211966
Vienna220231972
Jennings220221997
Green Ridge220221995
Piney Grove220241996

Red-tailed Hawk Population Trend in Other States

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

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