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Species · Missouri · BBS 2026 Release · 1966–2025

Broad-winged Hawk Population Trend in Missouri

All statesBirds of prey

Broad-winged Hawk in Missouri has surged: up 242% on the route-weighted index since 1974.

+242%Since 1974TrendPercent 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 →
47Routes 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 →
44YearsYears 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 MissouriNotable 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 Missouri. See the full index history below.

Broad-winged Hawk Population Forecast in Missouri

If the recent trend holds, Broad-winged Hawk in Missouri is projected to rise about 46% by 2030 — from 0.12 in 2025 to a central estimate of 0.17 (95% range 0.08–0.27). A 5-year backtest shows a typical error of ±30.5%, with 100% of held-out values landing inside the 95% band.

+46%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 →
0.17Projected 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 →
0.08–0.2795% 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 →
±30.5%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, Broad-winged Hawk in Missouri is projected to rise about 46% by 2030 — from 0.12 in 2025 to a central estimate of 0.17 (95% range 0.08–0.27). A 5-year backtest shows a typical error of ±30.5%, with 100% of held-out values landing inside the 95% band.19722030
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 →
20260.160.070.26
20270.170.070.26
20280.170.080.26
20290.170.080.26
20300.170.080.27

Broad-winged Hawk Survey Routes in Missouri

Routes recording Broad-winged Hawk in Missouri.
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 →
Rueter 2520242024
Clementine320021992
Cascade220251978
Danville220232005
Syracuse220161986
Centertown220131974
Emden220232023
Auburn220212021
Miller220152015
Bennett220252001
Palace220192017
Clementine 2220052005
Pulaski120161987
Peace Valley119991992
Sweden120251984
Cassville119951973
Pineville120221980
Cp Girardeau120192019
Ironton119721972
Akers120071980
Wesco120211992
Handley119841984
Graydon120232022
Elmo120212021
Reeds120232023

Broad-winged Hawk Population Trend in Other States

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

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