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Species · Georgia · BBS 2026 Release · 1966–2025

Pine Warbler Population Trend in Georgia

All statesForest birds

Pine Warbler in Georgia has surged: up 392% on the route-weighted index since 1968.

+392%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 Pine 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 →

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 →

Pine Warbler has surged in Georgia: up 392% on the route-weighted index since 1968.

Pine Warbler Population Forecast in Georgia

If the recent trend holds, Pine Warbler in Georgia is projected to rise about 31% by 2030 — from 12 in 2025 to a central estimate of 15 (95% range 11–19). A 5-year backtest shows a typical error of ±12.9%, with 100% of held-out values landing inside the 95% band.

+31%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 →
15Projected 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 →
11–1995% 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 →
±12.9%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, Pine Warbler in Georgia is projected to rise about 31% by 2030 — from 12 in 2025 to a central estimate of 15 (95% range 11–19). A 5-year backtest shows a typical error of ±12.9%, 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 →
2026151118
2027151119
2028151119
2029151119
2030151119

Pine Warbler Survey Routes in Georgia

Routes recording Pine 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 →
Piedmont Nwr5220031991
Deepstep4620231975
Fairplay3619911966
Curry Hill3520192006
Macon3220251975
Philema3020252010
Carrs Station3020252008
Sharon2820222018
Stockbridge2720251975
Rutledge2720251975
Kite Lake2720252015
Lincolnton2520171970
Grovetown2420211975
Yates Crossroads2420252005
Maxeys2320241966
Juliette2320251975
Whitesburg2320251992
Riceboro2220231995
Weber2220252006
Rentz2120251977
Good Hope2120252005
Stoney Point2120072007
Fitzgerald2020251969
Workmore1920251978
White Hill1820252005

Pine Warbler Population Trend in Other States

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

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