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

Dickcissel Population Trend in Oklahoma

All statesGrassland birds

Dickcissel in Oklahoma has increased: up 43% on the route-weighted index since 1969.

+43%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 →
68Routes 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 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 Dickcissel in Oklahoma. See the full index history below.

Dickcissel Population Forecast in Oklahoma

If the recent trend holds, Dickcissel in Oklahoma is projected to stay roughly flat through 2029, near 50 (95% range 34–67). A 5-year backtest shows a typical error of ±15.9%, with 100% of held-out values landing inside the 95% band.

-7%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 →
50Projected 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 →
34–6795% 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 →
±15.9%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 Oklahoma is projected to stay roughly flat through 2029, near 50 (95% range 34–67). A 5-year backtest shows a typical error of ±15.9%, 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 →
2025493266
2026493366
2027503366
2028503367
2029503467

Dickcissel Survey Routes in Oklahoma

Routes recording Dickcissel 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 →
Foraker19720241992
Wakita15520161968
Ft Sill East14819941994
Matoy14020001992
Clear Lake13020241992
Welch12920241967
Phroso11520241991
Hooker11520241992
Ft Sill West11519941994
Colony11319951995
Wainwright11220131992
Cashion10120241992
Woodward9420241992
Cooperton8320241992
Hunter8020241992
Peoria7920231967
Wichita Mtns7819941994
Douglas7320221967
Sandbluff7119951992
Hardesty6720241970
Duncan6320241986
Phillips5920081968
Sickles5920211992
Bartlesville5620241967
Indianola5420241967

Dickcissel Population Trend in Other States

alabamaarkansascoloradodelawaregeorgiaillinoisindianaiowakansaskentuckylouisianamarylandmichiganminnesotamississippimissourimontananebraskanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiopennsylvaniasouth-carolinasouth-dakotatennesseetexasvirginiawest-virginiawisconsinwyoming

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