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Species · Georgia · BBS 2026 Release · 1966–2025

Indigo Bunting Population Trend in Georgia

All statesForest birds

Indigo Bunting in Georgia has edged down: down 17% on the route-weighted index since 1968.

-17%Since 1968TrendPercent 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 →
111Routes 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 →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Indigo Bunting 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 Indigo Bunting in Georgia. See the full index history below.

Indigo Bunting Population Forecast in Georgia

If the recent trend holds, Indigo Bunting in Georgia is projected to rise about 11% by 2030 — from 16 in 2025 to a central estimate of 18 (95% range 14–22). A 5-year backtest shows a typical error of ±25.6%, with 60% of held-out values landing inside the 95% band.

+11%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 →
18Projected 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 →
14–2295% 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 →
±25.6%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, Indigo Bunting in Georgia is projected to rise about 11% by 2030 — from 16 in 2025 to a central estimate of 18 (95% range 14–22). A 5-year backtest shows a typical error of ±25.6%, with 60% of held-out values landing inside the 95% band.19662030
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 →
2026181422
2027181422
2028181422
2029181422
2030181422

Indigo Bunting Survey Routes in Georgia

Routes recording Indigo Bunting 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 →
Stoney Point5620072007
Fairplay4819911966
Boston4320251975
Philema4020252010
Maxeys3720241966
Lacross3620251973
Amos Mill3620222011
Lincolnton 23520252018
Barges3520252011
Dickey3420182005
Candler3420252009
Newton3320251975
Henderson3020251973
Hebron3020222005
Courthouse2920251966
Weber2920252006
Hawkinsville2820241966
Bowdon2820251973
Douglas2719841978
Minter Tweed2520252006
Rentz2420251977
Carrs Station2420252008
Rock Branch2420252005
Athens2320251966
Tazewell2320251967

Indigo Bunting Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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