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Species · Oklahoma · BBS 2026 Release · 1966–2025

Broad-winged Hawk Population Trend in Oklahoma

All statesBirds of prey

Broad-winged Hawk in Oklahoma has surged: up 79% on the route-weighted index since 1969.

+79%Since 1969TrendPercent 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 →
28Routes 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 →
57YearsYears 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 OklahomaNotable 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 →

Broad-winged Hawk has surged in Oklahoma: up 79% on the route-weighted index since 1969.

Broad-winged Hawk Population Forecast in Oklahoma

If the recent trend holds, Broad-winged Hawk in Oklahoma is projected to fall about 22% by 2030 — from 0.22 in 2025 to a central estimate of 0.17 (95% range 0.06–0.29). A 5-year backtest shows a typical error of ±23.2%, with 100% of held-out values landing inside the 95% band.

-22%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 →
0.06–0.2995% 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, Broad-winged Hawk in Oklahoma is projected to fall about 22% by 2030 — from 0.22 in 2025 to a central estimate of 0.17 (95% range 0.06–0.29). A 5-year backtest shows a typical error of ±23.2%, with 100% of held-out values landing inside the 95% band.19672030
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 →
20260.170.050.28
20270.170.060.29
20280.170.060.29
20290.170.060.29
20300.170.060.29

Broad-winged Hawk Survey Routes in Oklahoma

Routes recording Broad-winged Hawk in Oklahoma.
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 →
Pushmataha520231998
Ouachita Nf420252004
Blanco220161967
Duncan220222022
Skiatook220182015
Big Cedar120241971
Mcalester119861967
Phillips120041986
Mill Creek120171971
Ardmore119871970
Wichita Mtns East120172017
Mt. Herman120222002
Hee Mountain120242001
Baron120181974
Canadian120001969
Indianola119781978
Holdenville120251967
Beggs119841969
Choctaw119911971
Noble120211978
Verden119781978
Bartlesville120002000
Goodwater120212004
Bethel120222002
Matoy119941994

Broad-winged Hawk Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiopennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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