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Species · Maryland · BBS 2025 Release · 1966–2024

Red-shouldered Hawk Population Trend in Maryland

All statesGeneralists

Red-shouldered Hawk in Maryland has surged: up 13× on the route-weighted index since 1968.

13×Since 1968
69Routes In State
58Years

Notable Red-shouldered Hawk Trends in Maryland

long arc increasecomputed index

Red-shouldered Hawk has surged in Maryland: up 13× on the route-weighted index since 1968.

Red-shouldered Hawk Population Forecast in Maryland

If the recent trend holds, Red-shouldered Hawk in Maryland is projected to stay roughly flat through 2029, near 1.1 (95% range 0.71–1.6). A 5-year backtest shows a typical error of ±33.8%, with 20% of held-out values landing inside the 95% band.

-8%Change by 2029
1.1Projected 2029 index
0.71–1.695% range
±33.8%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
20251.10.641.5
20261.10.651.5
20271.10.671.5
20281.10.691.5
20291.10.711.6

Red-shouldered Hawk Survey Routes in Maryland

Routes recording Red-shouldered Hawk in Maryland.
Ijamsville520241990
Olney420241971
La Plata420091966
Emmitsburg320241988
Pleasant Val320221981
Eklo320181980
Van Bibber320111975
Broomes Isl319911969
Hughesville320241968
Millington320241972
Easton320211970
Cokesbury320241970
Green Ridge320241996
Furnace Town320242015
Oldtown220241972
Wolfsville220231970
Silver Spg219871971
Beltsville220121971
Largo219761976
Tall Timbers220141975
Harmony220171972
Matthews220221967
Fruitland219971989
Mardela220191986
Sinepuxent219751967

Red-shouldered Hawk Population Trend in Other States

alabamaarkansascaliforniaconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawashingtonwest-virginiawisconsin

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