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Species · Georgia · BBS 2026 Release · 1966–2025

Kentucky Warbler Population Trend in Georgia

All statesForest birds

Kentucky Warbler in Georgia has increased: up 31% on the route-weighted index since 1968.

+31%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 →
85Routes 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 Kentucky Warbler 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 Kentucky Warbler in Georgia. See the full index history below.

Kentucky Warbler Population Forecast in Georgia

If the recent trend holds, Kentucky Warbler in Georgia is projected to fall about 39% by 2030 — from 0.76 in 2025 to a central estimate of 0.46 (95% range 0.00–0.96). A 5-year backtest shows a typical error of ±17.2%, with 100% of held-out values landing inside the 95% band.

-39%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 →
0.46Projected 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 →
0.00–0.9695% 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 →
±17.2%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, Kentucky Warbler in Georgia is projected to fall about 39% by 2030 — from 0.76 in 2025 to a central estimate of 0.46 (95% range 0.00–0.96). A 5-year backtest shows a typical error of ±17.2%, 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 →
20260.480.000.98
20270.480.000.98
20280.470.000.97
20290.470.000.97
20300.460.000.96

Kentucky Warbler Survey Routes in Georgia

Routes recording Kentucky Warbler 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 →
Whitesburg620251992
Barges620252011
Rutledge520251980
Ball Ground520252019
Stoney Point 2520252013
Athens420251968
Rentz420211982
Carrs Station420252021
Hebron320082005
Piedmont Nwr320031991
Harrietts Bl219951995
Forsyth220231973
Fairplay219661966
Grovetown220211977
Lacross220181973
Bowdon220251973
Linwood220191970
Washington220251975
Finleyson220191982
Coffee Co220161987
Riceboro219981995
Millen220192006
Sharon220222018
Curry Hill220162016
Sunny Side220142008

Kentucky Warbler Population Trend in Other States

alabamaarkansasdelawarefloridaillinoisindianaiowakansaskentuckylouisianamarylandmississippimissourinew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniasouth-carolinatennesseetexasvirginiawest-virginiawisconsin

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