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

American Crow Population Trend in Nebraska

All statesGeneralists

American Crow in Nebraska has declined: down 29% on the route-weighted index since 1969.

-29%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 →
74Routes 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 →
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 American Crow 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 American Crow in Nebraska. See the full index history below.

American Crow Population Forecast in Nebraska

If the recent trend holds, American Crow in Nebraska is projected to rise about 13% by 2030 — from 7.5 in 2025 to a central estimate of 8.5 (95% range 2.2–15). A 5-year backtest shows a typical error of ±17.5%, with 100% of held-out values landing inside the 95% band.

+13%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 →
8.5Projected 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 →
2.2–1595% 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 →
±17.5%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, American Crow in Nebraska is projected to rise about 13% by 2030 — from 7.5 in 2025 to a central estimate of 8.5 (95% range 2.2–15). A 5-year backtest shows a typical error of ±17.5%, 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 →
20268.62.315
20278.62.315
20288.62.215
20298.52.215
20308.52.215

American Crow Survey Routes in Nebraska

Routes recording American Crow 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 →
Liberty 34420252009
Midway4120251967
Humboldt4020252018
Eagle Creek3820251967
Liberty3520031967
Sparta2920251967
Red Cloud2520242018
Brady2020251980
Bassett2020252018
Liberty 22020072004
Johnson1920251967
Winside1420031967
Seward1320251967
Tilden1320252019
Nenzel1220252018
Ringgold1120251985
Crookston1120252018
Murdock1120252018
Bartlett1019761967
Mullen1020231990
Chambers1020252023
Pine Ridge1020251999
Thurston920251967
Julian720251971
Crawford720251980

American Crow Population Trend in Other States

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

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