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Species · Alabama · BBS 2026 Release · 1966–2025

Red-shouldered Hawk Population Trend in Alabama

All statesBirds of prey

Red-shouldered Hawk in Alabama has surged: up 741% on the route-weighted index since 1968.

+741%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
103Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Red-shouldered Hawk Trends in AlabamaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Red-shouldered Hawk has surged in Alabama: up 741% on the route-weighted index since 1968.

Red-shouldered Hawk Population Forecast in Alabama

If the recent trend holds, Red-shouldered Hawk in Alabama is projected to fall about 14% by 2030 — from 2.2 in 2025 to a central estimate of 1.9 (95% range 1.5–2.3). A 5-year backtest shows a typical error of ±23.2%, with 20% of held-out values landing inside the 95% band.

-14%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
1.9Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.5–2.395% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±23.2%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Red-shouldered Hawk in Alabama is projected to fall about 14% by 2030 — from 2.2 in 2025 to a central estimate of 1.9 (95% range 1.5–2.3). A 5-year backtest shows a typical error of ±23.2%, with 20% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
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20271.81.42.3
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Red-shouldered Hawk Survey Routes in Alabama

Routes recording Red-shouldered Hawk in Alabama.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Epes620241980
Brooksville620251985
Pine Grove520252000
Maytown520251975
South520251967
Castleberry520251969
Carrollton520251994
Madrid520231996
Gastonburg520241998
Greensport420251973
Howard420251973
Greensboro420251966
Fairview420251990
Rock Chapel420241997
Choccolocco420251984
Oneonta420251996
Drummond420242003
Millerville320251970
Sprague320251967
Warrior Std320251998
Brundidge320211973
Grove Hill320231983
Mentone320231993
Wheeler Dam320232014
Elkmont320251997

Red-shouldered Hawk Population Trend in Other States

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

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.