BirdAnalyst
Species · Missouri · BBS 2025 Release · 1966–2024

Dickcissel Population Trend in Missouri

All statesGrassland birds

Dickcissel in Missouri has declined: down 28% on the route-weighted index since 1969.

-28%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 →
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 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 stay roughly flat through 2029, near 24 (95% range 8.9–40). A 5-year backtest shows a typical error of ±15.2%, with 100% of held-out values landing inside the 95% band.

-8%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 →
24Projected 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 →
8.9–4095% 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 →
±15.2%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, Dickcissel in Missouri is projected to stay roughly flat through 2029, near 24 (95% range 8.9–40). A 5-year backtest shows a typical error of ±15.2%, 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 →
2025261142
2026261041
2027259.941
2028259.440
2029248.940

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 →
Mcfall18520241994
Norborne13120232006
Hayti12220212016
Deventer9620241967
Madison9520241971
Lucerne8920212016
Hamilton8519851972
Ohio7520241972
Stet7419951972
New Hampton7420242014
Kirksville7320241994
Milford7220242015
Barnard6920221999
Trenton5720241967
New Point5420241994
Reeds5320231974
Cole Camp5319901971
Sticklervill5220241970
Queen City5120222017
Bolckow5019921967
Dover5020242013
Frazier4720241967
Emden4720242017
Filley4620241975
Warren4619841967

Dickcissel Population Trend in Other States

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

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