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Species · Georgia · BBS 2026 Release · 1966–2025

Eastern Bluebird Population Trend in Georgia

All statesForest birds

Eastern Bluebird in Georgia has surged: up 113% on the route-weighted index since 1968.

+113%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 Eastern Bluebird 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Eastern Bluebird has surged in Georgia: up 113% on the route-weighted index since 1968.

Eastern Bluebird Population Forecast in Georgia

If the recent trend holds, Eastern Bluebird in Georgia is projected to rise about 17% by 2030 — from 12 in 2025 to a central estimate of 14 (95% range 12–17). A 5-year backtest shows a typical error of ±9.3%, with 100% of held-out values landing inside the 95% band.

+17%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 →
14Projected 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 →
12–1795% 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 →
±9.3%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, Eastern Bluebird in Georgia is projected to rise about 17% by 2030 — from 12 in 2025 to a central estimate of 14 (95% range 12–17). A 5-year backtest shows a typical error of ±9.3%, with 100% 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 →
2026141116
2027141117
2028141117
2029141217
2030141217

Eastern Bluebird Survey Routes in Georgia

Routes recording Eastern Bluebird 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 →
Maxeys4020241966
Shiloh4020252012
Henderson3320251974
Candler3320252009
Weber3220252013
Hebron3220222005
Stoney Point3120072007
Ousley2920252015
Amos Mill2620222011
Lincolnton 22420252018
Lincolnton2320171966
Davis Crossroads2320252011
Hawkinsville2220241967
Boston2220251977
Newton2120251975
Lacross2120251974
Hollonville 22120222019
Rock Branch2120252005
Good Hope2020252005
Fairplay1919911966
Fowlstown1820161967
Wrightsville1820251966
Doles1820221975
Linwood1720231970
Tazewell1720251967

Eastern Bluebird Population Trend in Other States

alabamaarizonaarkansascoloradoconnecticutdelawarefloridaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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