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

Bald Eagle Population Trend in Nebraska

All statesBirds of prey

Bald Eagle in Nebraska has surged: up 395% on the route-weighted index since 2001.

+395%Since 2001TrendPercent 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 →
23Routes 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 →
22YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Bald Eagle 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 Bald Eagle in Nebraska. See the full index history below.

Bald Eagle Population Forecast in Nebraska

If the recent trend holds, Bald Eagle in Nebraska is projected to stay roughly flat through 2030, near 0.19 (95% range 0.08–0.29). A 5-year backtest shows a typical error of ±39.1%, with 80% of held-out values landing inside the 95% band.

+3%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 →
0.19Projected 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 →
0.08–0.2995% 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 →
±39.1%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, Bald Eagle in Nebraska is projected to stay roughly flat through 2030, near 0.19 (95% range 0.08–0.29). A 5-year backtest shows a typical error of ±39.1%, with 80% of held-out values landing inside the 95% band.19982030
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 →
20260.160.060.27
20270.170.070.28
20280.180.070.28
20290.180.080.29
20300.190.080.29

Bald Eagle Survey Routes in Nebraska

Routes recording Bald Eagle 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 →
Gretna220162015
Richland220242010
Kennedy220222022
Brownlee220252001
Nenzel220252019
Julian120242022
Kearney120252013
Sumner120162015
Stratton120252025
Surprise120212021
Almeria120212021
Thurston120171998
Sparta120212021
Eagle Creek120251999
Swan Lake120222011
Johnstown120252025
Piester Lake120232023
Murray Lake120252016
Lyons120232023
Hendley120242021
Hampton120252025
Murdock120252025
Liberty 3120162016

Bald Eagle Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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