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Species · Georgia · BBS 2025 Release · 1966–2024

Carolina Wren Population Trend in Georgia

All statesForest birds

Carolina Wren in Georgia has surged: up 137% on the route-weighted index since 1968.

+137%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 Carolina Wren 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 →

Carolina Wren has surged in Georgia: up 137% on the route-weighted index since 1968.

Carolina Wren Population Forecast in Georgia

If the recent trend holds, Carolina Wren in Georgia is projected to stay roughly flat through 2029, near 38 (95% range 32–44). A 5-year backtest shows a typical error of ±6.1%, with 100% of held-out values landing inside the 95% band.

+7%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 →
38Projected 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 →
32–4495% 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 →
±6.1%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 Wren in Georgia is projected to stay roughly flat through 2029, near 38 (95% range 32–44). A 5-year backtest shows a typical error of ±6.1%, with 100% 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 →
2025363142
2026373142
2027373243
2028383243
2029383244

Carolina Wren Survey Routes in Georgia

Routes recording Carolina Wren 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 →
Tarver9020241991
Sunny Side8620192006
Woodbine8320242011
Headlight8320242011
Council7620242012
Boston7420241975
Doles7220221975
Rutledge6820241975
Fitzgerald6120241966
Big Oak6020242006
Needmore5819831977
Baxley5720191966
Stockton5620241977
Whitesburg5220241992
Wrightsville5020241966
Maxeys4920241966
Newton4920241975
Grovetown4820211975
Colonels Island4820232005
Cotton4720241972
Shannon4620191975
Workmore4520191978
Union4520232011
Rentz4420241977
Shiloh4420242012

Carolina Wren Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginiawisconsin

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