BirdAnalyst
Species · BCR 21 · BBS 2026 Release · 1966–2025

Red-shouldered Hawk In Oaks and Prairies

All regionsOaks and PrairiesBirds of prey

Red-shouldered Hawk in Oaks and Prairies has surged: up 616% on the route-weighted index since 1969.

+616%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 →
65Routes In RegionSurvey 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 SignalsNotable 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 Oaks and Prairies: up 616% on the route-weighted index since 1969.

Red-shouldered Hawk In Oaks and Prairies Population Forecast

If the recent trend holds, Red-shouldered Hawk in Oaks and Prairies is projected to stay roughly flat through 2030, near 1.7 (95% range 1.2–2.3). A 5-year backtest shows a typical error of ±28.6%, with 100% of held-out values landing inside the 95% band.

-2%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 →
1.7Projected 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 →
1.2–2.395% 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 →
±28.6%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 Oaks and Prairies is projected to stay roughly flat through 2030, near 1.7 (95% range 1.2–2.3). A 5-year backtest shows a typical error of ±28.6%, 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 →
20261.61.12.2
20271.61.12.2
20281.71.12.2
20291.71.22.3
20301.71.22.3

Routes In Oaks and Prairies

Routes recording Red-shouldered Hawk in Oaks and Prairies.
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 →
ArdmoreOKLAHOMA82025
SadlerTEXAS82025
PaigeTEXAS72025
Arenosa CrkTEXAS62025
LydiaTEXAS52025
BurtonTEXAS52025
DecaturTEXAS52024
Massey LakeTEXAS42025
Oak Grove 2TEXAS42025
CarlosTEXAS42025
Gambill Ref.TEXAS42024
Mill CreekOKLAHOMA32025
Peach CreekTEXAS31984
KosseTEXAS32023
OsageTEXAS32025
Thornton 3TEXAS32025
HoldenvilleOKLAHOMA22025
BeggsOKLAHOMA22023
HeyburnOKLAHOMA22025
LockhartTEXAS22024
Oak GroveTEXAS21999
Glen RoseTEXAS22025
GrafordTEXAS22018
AlbanyTEXAS22015
Miller GroveTEXAS22025

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