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

Cooper's Hawk Population Trend in Texas

All statesGeneralists

Cooper's Hawk in Texas has surged: up 320% on the route-weighted index since 1975.

+320%Since 1975TrendPercent 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 →
109Routes 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 →
47YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Cooper's Hawk Trends in TexasNotable 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 →

Cooper's Hawk has surged in Texas: up 320% on the route-weighted index since 1975.

Cooper's Hawk Population Forecast in Texas

If the recent trend holds, Cooper's Hawk in Texas is projected to stay roughly flat through 2029, near 0.08 (95% range 0.03–0.12). A 5-year backtest shows a typical error of ±70.1%, with 80% of held-out values landing inside the 95% band.

n/aChange 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 →
0.08Projected 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 →
0.03–0.1295% 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 →
±70.1%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, Cooper's Hawk in Texas is projected to stay roughly flat through 2029, near 0.08 (95% range 0.03–0.12). A 5-year backtest shows a typical error of ±70.1%, with 80% of held-out values landing inside the 95% band.19702029
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 →
20250.070.030.12
20260.070.030.12
20270.080.030.12
20280.080.030.12
20290.080.030.12

Cooper's Hawk Survey Routes in Texas

Routes recording Cooper's Hawk in Texas.
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 →
La Pryor320102002
Valley Spgs320022001
Athens320081976
Laredo320172017
Rachal220181993
Utopia220181981
Valentine219801979
Montell220162001
Bruceville220212021
Mt. Selman220211998
Greenville220142008
Pumpville220112011
Zapata119781978
Kingsville119881988
Mirando City120182018
Encinal120041978
Campbellton120051984
Stowell119901990
Danbury120222011
Katy120242017
Arenosa Crk119921992
Muldoon120222022
Boerne119921992
Lone Oak119701970
Hondo120241999

Cooper's Hawk Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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