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Species · Oklahoma · BBS 2026 Release · 1966–2025

American Crow Population Trend in Oklahoma

All statesGeneralists

American Crow in Oklahoma has edged down: down 15% on the route-weighted index since 1969.

-15%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 →
71Routes 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 OklahomaNotable 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 Oklahoma. See the full index history below.

American Crow Population Forecast in Oklahoma

If the recent trend holds, American Crow in Oklahoma is projected to stay roughly flat through 2030, near 27 (95% range 16–37). A 5-year backtest shows a typical error of ±14.8%, with 100% of held-out values landing inside the 95% band.

-9%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 →
27Projected 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 →
16–3795% 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 →
±14.8%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 Oklahoma is projected to stay roughly flat through 2030, near 27 (95% range 16–37). A 5-year backtest shows a typical error of ±14.8%, 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 →
2026271737
2027271737
2028271737
2029271637
2030271637

American Crow Survey Routes in Oklahoma

Routes recording American Crow in Oklahoma.
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 →
Choctaw11320231967
Blanco9220161967
Mill Creek8320251967
Ardmore7520251967
Noble7120251967
Tatums7120251992
Chester6819881967
Phillips6220251968
Baron5520231967
Matoy5420251992
Heyburn5320251992
Mcalester4519911967
Keetonville4520221992
Sandbluff4420251992
Beggs4320231967
Wainwright4320131992
Canadian3920171967
Ouachita Nf3820251991
Hooker3520171992
Indianola3320251967
Goodwater3220211992
Skiatook3120191982
Ft Sill West3019941994
Welch2920251967
Verden2820171967

American Crow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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