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

Broad-winged Hawk Population Trend in Alabama

All statesGeneralists

Broad-winged Hawk in Alabama has held roughly steady: up 1% on the route-weighted index since 1968.

+1%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 →
98Routes 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 Broad-winged 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 →

No notable trend signals for Broad-winged Hawk in Alabama. See the full index history below.

Broad-winged Hawk Population Forecast in Alabama

If the recent trend holds, Broad-winged Hawk in Alabama is projected to fall about 27% by 2029 — from 0.32 in 2024 to a central estimate of 0.23 (95% range 0.07–0.40). A 5-year backtest shows a typical error of ±16%, with 100% of held-out values landing inside the 95% band.

-27%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 →
0.23Projected 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 →
0.07–0.4095% 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 →
±16%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, Broad-winged Hawk in Alabama is projected to fall about 27% by 2029 — from 0.32 in 2024 to a central estimate of 0.23 (95% range 0.07–0.40). A 5-year backtest shows a typical error of ±16%, with 100% 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 →
20250.230.070.40
20260.230.070.40
20270.230.070.40
20280.230.070.40
20290.230.070.40

Broad-winged Hawk Survey Routes in Alabama

Routes recording Broad-winged 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 →
Triana420011999
Lanett320221976
Brantley320021982
Dauphin Is319851966
Stevenson320242017
Gastonburg320192009
Mt Olive220241978
Billingsley220091967
Grangeburg220101966
Liberty City220101979
Carrollton220131999
Holt220241995
Rock Chapel220241996
Brooksville220221985
Liberty City 2220192019
Oneonta220121998
St Florian120231975
Hillsboro119941985
Trade120241968
Valhermoso Spgs119831983
Swaim120231966
Pine Grove120181966
Dawson119931966
Millerville120241977
Dearmanville119831966

Broad-winged Hawk Population Trend in Other States

arkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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