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

Dickcissel Population Trend in Georgia

All statesGrassland birds

Dickcissel in Georgia has surged: up 212% on the route-weighted index since 1980.

+212%Since 1980TrendPercent 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 →
20Routes 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 →
30YearsYears 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 GeorgiaNotable 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 Georgia. See the full index history below.

Dickcissel Population Forecast in Georgia

If the recent trend holds, Dickcissel in Georgia is projected to rise about 139% by 2030 — from 0.06 in 2025 to a central estimate of 0.15 (95% range 0.04–0.25). A 5-year backtest shows a typical error of ±118.4%, with 60% of held-out values landing inside the 95% band.

+139%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 →
0.15Projected 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 →
0.04–0.2595% 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 →
±118.4%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 Georgia is projected to rise about 139% by 2030 — from 0.06 in 2025 to a central estimate of 0.15 (95% range 0.04–0.25). A 5-year backtest shows a typical error of ±118.4%, with 60% of held-out values landing inside the 95% band.19782030
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 →
20260.140.030.24
20270.140.030.24
20280.140.040.24
20290.140.040.25
20300.150.040.25

Dickcissel Survey Routes in Georgia

Routes recording Dickcissel in Georgia.
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 →
Athens420252011
Linwood220182017
Stockbridge220142005
Finleyson220031984
Wadley219971992
Philema220232021
Sunny Side220182009
Davis Crossroads220212018
Fitzgerald120212021
Cuthbert120172013
Maxeys120112011
Oakman119791978
Henderson120231980
Siloam119951987
Lacross119831983
Rutledge120211998
Rentz120172015
Shiloh120192019
Owensboro120242024
Hebron120052005

Dickcissel Population Trend in Other States

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

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