BirdAnalyst
Species · Missouri · BBS 2026 Release · 1966–2025

Dickcissel Population Trend in Missouri

All statesGrassland birds

Dickcissel in Missouri has declined: down 36% on the route-weighted index since 1969.

-36%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 →
95Routes 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 Dickcissel Trends in MissouriNotable 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 Dickcissel in Missouri. See the full index history below.

Dickcissel Population Forecast in Missouri

If the recent trend holds, Dickcissel in Missouri is projected to fall about 10% by 2030 — from 27 in 2025 to a central estimate of 24 (95% range 8.6–39). A 5-year backtest shows a typical error of ±10.5%, with 100% of held-out values landing inside the 95% band.

-10%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 →
8.6–3995% 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 →
±10.5%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, Dickcissel in Missouri is projected to fall about 10% by 2030 — from 27 in 2025 to a central estimate of 24 (95% range 8.6–39). A 5-year backtest shows a typical error of ±10.5%, 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 →
2026261141
2027251041
2028259.540
2029249.140
2030248.639

Dickcissel Survey Routes in Missouri

Routes recording Dickcissel in Missouri.
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 →
Lucerne18820252016
Norborne13120232006
Hayti12220212016
Mcfall11320251994
Deventer9820251967
Madison9520241971
Hamilton8519851972
Stet7419951972
Barnard6920221999
Frankford6820251985
New Hampton6520252014
Harrisonville6320252017
Trenton5920251967
Miller5920252014
Ohio5520251972
Rockingham5520251969
Cole Camp5319901971
Milford5220252015
Laclede5120251994
Queen City5120222017
Bolckow5019921967
Frazier4720241967
Kingsville4720251992
Emden4720242017
Warren4619841967

Dickcissel Population Trend in Other States

alabamaarkansascoloradodelawaregeorgiaillinoisindianaiowakansaskentuckylouisianamarylandmichiganminnesotamississippimontananebraskanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasvirginiawest-virginiawisconsinwyoming

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