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

American Crow Population Trend in Virginia

All statesGeneralists

American Crow in Virginia has edged down: down 12% on the route-weighted index since 1968.

-12%Since 1968TrendPercent 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 →
88Routes 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 →
59YearsYears 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 VirginiaNotable 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 Virginia. See the full index history below.

American Crow Population Forecast in Virginia

If the recent trend holds, American Crow in Virginia is projected to stay roughly flat through 2030, near 42 (95% range 28–55). A 5-year backtest shows a typical error of ±18.2%, with 100% of held-out values landing inside the 95% band.

+6%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 →
42Projected 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 →
28–5595% 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 →
±18.2%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 Virginia is projected to stay roughly flat through 2030, near 42 (95% range 28–55). A 5-year backtest shows a typical error of ±18.2%, with 100% of held-out values landing inside the 95% band.19662030
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 →
2026432956
2027422956
2028422956
2029422956
2030422855

American Crow Survey Routes in Virginia

Routes recording American Crow in Virginia.
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 →
Quinby9820251966
David8920131968
Brodnax8720251973
Blacksburg8320251988
Churchville8220251966
Gladys8120251994
Hebron 27020252023
Taylorstown6520101967
Hebron6520221981
Colonial Pky6419981992
Ft Pickett N6219951993
Newsoms6120241967
Rural Retrt6120251982
Moran5820251996
Nat Tunnel5820251981
Waverly5719871967
White Stone5520251966
Chincoteag W5320241992
Irisburg5120251976
Port Royal4920251977
Mannboro4920251967
Newville4920241988
Big Island4820251968
Finchley4820211994
Wylliesburg4720191971

American Crow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontwashingtonwest-virginiawisconsinwyoming

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