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

American Crow Population Trend in Nebraska

All statesGeneralists

American Crow in Nebraska has declined: down 30% on the route-weighted index since 1969.

-30%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 →
73Routes 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 →
57YearsYears 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 24% by 2029 — from 6.9 in 2024 to a central estimate of 8.6 (95% range 2.3–15). A 5-year backtest shows a typical error of ±28.9%, with 100% of held-out values landing inside the 95% band.

+24%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 →
8.6Projected 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 →
2.3–1595% 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 →
±28.9%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, American Crow in Nebraska is projected to rise about 24% by 2029 — from 6.9 in 2024 to a central estimate of 8.6 (95% range 2.3–15). A 5-year backtest shows a typical error of ±28.9%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20258.72.315
20268.72.315
20278.62.315
20288.62.315
20298.62.315

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 →
Johnson4620241967
Midway3820231967
Liberty3520031967
Liberty 33520242009
Humboldt3020242018
Red Cloud2520242018
Eagle Creek2220241967
Liberty 22020072004
Bassett1820242018
Crookston1720242018
Sargent1520242021
Sparta1420211967
Winside1420031967
Brady1420241980
Crawford1420241980
Berwyn 21320212014
Bartlett1019761967
Kennedy1020231980
Mullen1020231990
Nenzel1020242018
Irvington920241967
Tilden820242019
Hendley820242018
Seward720241967
Swan Lake720231969

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 2026-05-22.