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

American Crow Population Trend in West Virginia

All statesGeneralists

American Crow in West Virginia has declined: down 28% on the route-weighted index since 1968.

-28%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 →
64Routes 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 West 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 West Virginia. See the full index history below.

American Crow Population Forecast in West Virginia

If the recent trend holds, American Crow in West Virginia is projected to stay roughly flat through 2030, near 28 (95% range 21–35). A 5-year backtest shows a typical error of ±5%, with 100% of held-out values landing inside the 95% band.

+0%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 →
28Projected 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 →
21–3595% 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 →
±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 West Virginia is projected to stay roughly flat through 2030, near 28 (95% range 21–35). A 5-year backtest shows a typical error of ±5%, 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 →
2026282235
2027282135
2028282135
2029282135
2030282135

American Crow Survey Routes in West Virginia

Routes recording American Crow in West 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 →
Green Bank9220251977
Pt Pleasant6020251973
Rockport5520251966
Mt Storm5519751966
Spencer5120241986
Paradise4820251966
Monongah4820221966
Rio4819951974
Arlee4619791966
Sugar Grove4620251966
Welch4420251980
Henderson4320232002
Hanover4220251980
Clinton4220251966
Hix4020251970
Sleepy Creek3919901966
Hubbardstown3820251966
Martinsburg3820251966
Slate3620251980
Bebee3620251972
Stollings3520211986
Ruthbelle3520251975
Fayetteville3319961980
Josephs Mill3320241993
Ghent3020251978

American Crow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwisconsinwyoming

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