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Species · Kansas · BBS 2026 Release · 1966–2025

American Crow Population Trend in Kansas

All statesGeneralists

American Crow in Kansas has surged: up 81% on the route-weighted index since 1969.

+81%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 →
65Routes 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 KansasNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

American Crow has surged in Kansas: up 81% on the route-weighted index since 1969.

American Crow Population Forecast in Kansas

If the recent trend holds, American Crow in Kansas is projected to stay roughly flat through 2030, near 24 (95% range 16–32). A 5-year backtest shows a typical error of ±18.8%, with 80% of held-out values landing inside the 95% band.

+4%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 →
24Projected 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 →
16–3295% 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 →
±18.8%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 Kansas is projected to stay roughly flat through 2030, near 24 (95% range 16–32). A 5-year backtest shows a typical error of ±18.8%, with 80% 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 →
2026241532
2027241632
2028241632
2029241632
2030241632

American Crow Survey Routes in Kansas

Routes recording American Crow in Kansas.
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 →
Wreford8820241967
Barclay6520251967
Kanopolis6320251967
Dover5920221967
Reece5720252000
Le Loup4920212000
Galesburg4620251967
Trading Post4220252000
Longton4020211976
Humboldt3920221968
Grantville3820221967
Melrose3720231967
Coldwater3720221969
Wellington3620251968
Seneca3520221967
Lincolnville3520242002
Dalton3320251968
Bucyrus3320252022
Morehead3320252000
Rock Creek 23320252022
Ellinor3120251967
Rock Creek3120211968
Olathe3020211967
Hollenberg2820251969
Pittsburg2620212000

American Crow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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