BirdAnalyst
Species · Nebraska · BBS 2026 Release · 1966–2025

Cooper's Hawk Population Trend in Nebraska

All statesBirds of prey

Cooper's Hawk in Nebraska has surged: up 251% on the route-weighted index since 2000.

+251%Since 2000TrendPercent 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 →
29Routes 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 →
21YearsYears 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 NebraskaNotable 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 Cooper's Hawk in Nebraska. See the full index history below.

Cooper's Hawk Population Forecast in Nebraska

If the recent trend holds, Cooper's Hawk in Nebraska is projected to fall about 20% by 2030 — from 0.13 in 2025 to a central estimate of 0.11 (95% range 0.04–0.17). A 5-year backtest shows a typical error of ±38.9%, with 100% of held-out values landing inside the 95% band.

-20%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 →
0.11Projected 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 →
0.04–0.1795% 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 →
±38.9%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 Nebraska is projected to fall about 20% by 2030 — from 0.13 in 2025 to a central estimate of 0.11 (95% range 0.04–0.17). A 5-year backtest shows a typical error of ±38.9%, with 100% of held-out values landing inside the 95% band.19932030
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 →
20260.100.040.16
20270.100.040.16
20280.100.040.17
20290.100.040.17
20300.110.040.17

Cooper's Hawk Survey Routes in Nebraska

Routes recording Cooper's Hawk in Nebraska.
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 →
Pine Ridge420242018
Johnson220252023
Kearney220112006
Irvington220092006
Chambers220252025
Julian120252012
Belvidere120232023
Sumner120192019
Gretna120082008
Surprise120212021
Richland120192004
Paxton120152015
Dalton120222022
Thurston120191999
Sparta120162016
Eagle Creek120211993
Kennedy120052005
Table120162005
Brady120252000
Ringgold120112010
Nenzel120252025
Tilden120242024
Lyons120242024
Hendley120252025
Red Cloud120192018

Cooper's Hawk Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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