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

Cooper's Hawk Population Trend in Nebraska

All statesGeneralists

Cooper's Hawk in Nebraska has surged: up 156% on the route-weighted index since 2000.

+156%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 →
26Routes 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 →
20YearsYears 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 →

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 Nebraska: up 156% on the route-weighted index since 2000.

Cooper's Hawk Population Forecast in Nebraska

If the recent trend holds, Cooper's Hawk in Nebraska is projected to fall about 23% by 2029 — from 0.13 in 2024 to a central estimate of 0.10 (95% range 0.03–0.16). A 5-year backtest shows a typical error of ±33.4%, with 100% of held-out values landing inside the 95% band.

-23%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 →
0.10Projected 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 →
0.03–0.1695% 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 →
±33.4%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 23% by 2029 — from 0.13 in 2024 to a central estimate of 0.10 (95% range 0.03–0.16). A 5-year backtest shows a typical error of ±33.4%, with 100% of held-out values landing inside the 95% band.19932029
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 →
20250.090.030.15
20260.090.030.15
20270.090.030.15
20280.090.030.16
20290.100.030.16

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
Kearney220112006
Irvington220092006
Julian120152012
Johnson120232023
Belvidere120232023
Sumner120192019
Gretna120082008
Surprise120212021
Richland120192004
Paxton120152015
Dalton120222022
Thurston120191999
Sparta120162016
Eagle Creek120211993
Kennedy120052005
Table120162005
Brady120232000
Ringgold120112010
Tilden120242024
Lyons120242024
Red Cloud120192018
Hampton120222022
Murdock120182018
Gretna 2120212021

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 2026-05-22.