BirdAnalyst
Species · West Virginia · BBS 2025 Release · 1966–2024

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 →
63Routes 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 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 2029, near 28 (95% range 21–35). A 5-year backtest shows a typical error of ±13.2%, with 80% of held-out values landing inside the 95% band.

-1%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 →
28Projected 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 →
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 →
±13.2%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 West Virginia is projected to stay roughly flat through 2029, near 28 (95% range 21–35). A 5-year backtest shows a typical error of ±13.2%, with 80% of held-out values landing inside the 95% band.19662029
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 →
2025292235
2026282235
2027282135
2028282135
2029282135

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 →
Bramwell11020231978
Martinsburg7720241966
Hanover5620241980
Mt Storm5519751966
Washburn5320221974
Rockport5120241966
Clinton5120241966
Welch5020231980
Monongah4820221966
Rio4819951974
Arlee4619791966
Sugar Grove4320241966
Henderson4320232002
Ruthbelle4020241975
Pt Pleasant3920231973
Sleepy Creek3919901966
Hubbardstown3820231966
Bebee3820241972
Pedro3720241979
Slate3620241980
Stollings3520211986
Nicut3420241986
Clendenin3320241979
Fayetteville3319961980
Josephs Mill3320241993

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 2026-05-22.