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

Red-shouldered Hawk Population Trend in Alabama

All statesGeneralists

Red-shouldered Hawk in Alabama has surged: up 723% on the route-weighted index since 1968.

+723%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 →
58YearsYears 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 723% 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 13% by 2029 — from 2.1 in 2024 to a central estimate of 1.9 (95% range 1.5–2.3). A 5-year backtest shows a typical error of ±20.5%, with 40% of held-out values landing inside the 95% band.

-13%Change by 2029TrendPercent 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 2029 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 →
±20.5%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 13% by 2029 — from 2.1 in 2024 to a central estimate of 1.9 (95% range 1.5–2.3). A 5-year backtest shows a typical error of ±20.5%, with 40% of held-out values landing inside the 95% band.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 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 →
20251.81.42.2
20261.81.42.2
20271.81.42.2
20281.81.42.2
20291.91.52.3

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 →
Talladega920242000
Elamville820241984
Epes620241980
Cottonton520241974
Brantley520241966
Madrid520231996
Brooksville520221985
Gastonburg520241998
St Florian420241996
Howard420241973
Greensboro420241966
Warrior Std420241998
Mclellan420231974
Rock Chapel420241997
Mt. Gilead420241993
Oneonta420231996
Drummond420242003
Millerville320241970
Greensport320241973
Maytown320231975
Brundidge320211973
Grove Hill320231983
Mentone320231993
Odenville320241996
Calebee320241994

Red-shouldered Hawk Population Trend in Other States

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

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