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Species · Oklahoma · BBS 2025 Release · 1966–2024

Red-shouldered Hawk Population Trend in Oklahoma

All statesGeneralists

Red-shouldered Hawk in Oklahoma has surged: up 509% on the route-weighted index since 1969.

+509%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 →
43Routes 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 Red-shouldered 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 →

Red-shouldered Hawk has surged in Oklahoma: up 509% on the route-weighted index since 1969.

Red-shouldered Hawk Population Forecast in Oklahoma

If the recent trend holds, Red-shouldered Hawk in Oklahoma is projected to rise about 60% by 2029 — from 0.66 in 2024 to a central estimate of 1.0 (95% range 0.59–1.5). A 5-year backtest shows a typical error of ±55.5%, with 80% of held-out values landing inside the 95% band.

+60%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 →
1.0Projected 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 →
0.59–1.595% 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 →
±55.5%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 Oklahoma is projected to rise about 60% by 2029 — from 0.66 in 2024 to a central estimate of 1.0 (95% range 0.59–1.5). A 5-year backtest shows a typical error of ±55.5%, with 80% of held-out values landing inside the 95% band.19672029
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 →
20250.980.531.4
20261.00.541.5
20271.00.561.5
20281.00.571.5
20291.00.591.5

Red-shouldered Hawk Survey Routes in Oklahoma

Routes recording Red-shouldered 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 →
Goodwater820211992
Heyburn520241993
Randlett420222000
Noble420241991
Ardmore320091968
Indianola320241976
Pocola320161994
Sickles320162003
Keetonville320142002
Blanco220161971
Phillips220081991
Mill Creek220181995
Phroso220242004
Baron220231973
Canadian220151968
Beggs220231995
Hee Mountain220231999
Wichita Mts West220192004
Peoria220212017
Collinsville220211976
Matoy220002000
Tatums220232002
Wainwright220112005
Colcord220151993
Mt. Herman220222004

Red-shouldered Hawk Population Trend in Other States

alabamaarkansascaliforniaconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooregonpennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawashingtonwest-virginiawisconsin

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