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Species · Kansas · BBS 2025 Release · 1966–2024

American Goldfinch Population Trend in Kansas

All statesGeneralists

American Goldfinch in Kansas has held roughly steady: down 9% on the route-weighted index since 1969.

-9%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 →
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 →
57YearsYears 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 Goldfinch 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 →

No notable trend signals for American Goldfinch in Kansas. See the full index history below.

American Goldfinch Population Forecast in Kansas

If the recent trend holds, American Goldfinch in Kansas is projected to stay roughly flat through 2029, near 4.2 (95% range 1.8–6.6). A 5-year backtest shows a typical error of ±17.2%, with 100% of held-out values landing inside the 95% band.

+5%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 →
4.2Projected 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 →
1.8–6.695% 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 →
±17.2%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 Goldfinch in Kansas is projected to stay roughly flat through 2029, near 4.2 (95% range 1.8–6.6). A 5-year backtest shows a typical error of ±17.2%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20254.11.76.5
20264.11.76.5
20274.21.86.5
20284.21.86.6
20294.21.86.6

American Goldfinch Survey Routes in Kansas

Routes recording American Goldfinch 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 →
Olsburg1520242000
Lincolnville1220242002
Jewell 21120242006
Le Loup1020212000
Olathe920211967
Rock Creek920191968
Melrose820211967
Wreford820241967
Minneapolis820191967
Jamestown820242000
Humboldt720221968
Wellington720241968
Buckeye720231967
Hollenberg720231969
Covert720241974
Jewell620051967
Logan620061968
Pittsburg620212001
Trading Post620242000
Galesburg520241969
Ellinor520241967
Seneca520221967
Severance520242000
Lapland420181975
Dover420221967

American Goldfinch Population Trend in Other States

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

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.