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Species · Georgia · BBS 2025 Release · 1966–2024

Carolina Chickadee Population Trend in Georgia

All statesForest birds

Carolina Chickadee in Georgia has increased: up 32% on the route-weighted index since 1968.

+32%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 →
110Routes 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 Carolina Chickadee 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 Carolina Chickadee in Georgia. See the full index history below.

Carolina Chickadee Population Forecast in Georgia

If the recent trend holds, Carolina Chickadee in Georgia is projected to rise about 46% by 2029 — from 6.6 in 2024 to a central estimate of 9.6 (95% range 6.4–13). A 5-year backtest shows a typical error of ±24.4%, with 80% of held-out values landing inside the 95% band.

+46%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 →
9.6Projected 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 →
6.4–1395% 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 →
±24.4%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, Carolina Chickadee in Georgia is projected to rise about 46% by 2029 — from 6.6 in 2024 to a central estimate of 9.6 (95% range 6.4–13). A 5-year backtest shows a typical error of ±24.4%, with 80% 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 →
20259.46.213
20269.56.313
20279.56.313
20289.56.313
20299.66.413

Carolina Chickadee Survey Routes in Georgia

Routes recording Carolina Chickadee 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 →
Fairplay3419911966
Rutledge3220241975
Maxeys2820241966
Linwood2620231970
Hiram2320181975
Grovetown2220211975
Hollonville2120031973
Whitesburg2120241992
Mountain Cty1920241975
Carrs Station1920242008
Candler1920242009
Good Hope1820242005
Hollonville 21720222019
Kite Lake1720232015
Sunny Side1620192006
Davis Crossroads1620212011
Lincolnton1520171966
Stockbridge1420231975
Colonels Island1420232005
Cartersville1320241966
Workmore1320191978
Dover1320241976
Lincolnton 21320242018
Woodstock1320212006
Amos Mill1320222011

Carolina Chickadee Population Trend in Other States

alabamaarkansasdelawarefloridaillinoisindianakansaskentuckylouisianamarylandmississippimissourinew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniasouth-carolinatennesseetexasvirginiawest-virginia

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