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Species · Georgia · BBS 2025 Release · 1966–2024

Indigo Bunting Population Trend in Georgia

All statesGeneralists

Indigo Bunting in Georgia has edged down: down 18% on the route-weighted index since 1968.

-18%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 →
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 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 23% by 2029 — from 15 in 2024 to a central estimate of 18 (95% range 14–23). A 5-year backtest shows a typical error of ±23.8%, with 60% of held-out values landing inside the 95% band.

+23%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 →
18Projected 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 →
14–2395% 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 →
±23.8%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 23% by 2029 — from 15 in 2024 to a central estimate of 18 (95% range 14–23). A 5-year backtest shows a typical error of ±23.8%, with 60% of held-out values landing inside the 95% band.19662029
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 →
2025181423
2026181423
2027181423
2028181423
2029181423

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
Maxeys3720241966
Amos Mill3620222011
Philema3520242010
Dickey3420182005
Henderson3120241973
Lincolnton 23020242018
Barges3020242011
Candler3020242009
Hebron3020222005
Hawkinsville2820241966
Ball Ground2820212019
Douglas2719841978
Courthouse2620241966
Minter Tweed2620242006
Tazewell2520241967
Newton2420241975
Boston2420241975
Shiloh2420242012
Irwinton2420242016
Rentz2320241977
Weber2320242006
Davis Crossroads2320212011
Cartersville2220241966

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 2026-05-22.