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Species · Georgia · BBS 2026 Release · 1966–2025

Gray Catbird Population Trend in Georgia

All statesForest birds

Gray Catbird in Georgia has fallen sharply: down 63% on the route-weighted index since 1968.

-63%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 →
107Routes 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 Gray Catbird 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 declinecomputed 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 →

Gray Catbird has fallen sharply in Georgia: down 63% on the route-weighted index since 1968.

Gray Catbird Population Forecast in Georgia

If the recent trend holds, Gray Catbird in Georgia is projected to rise about 29% by 2030 — from 1.0 in 2025 to a central estimate of 1.4 (95% range 0.16–2.5). A 5-year backtest shows a typical error of ±39%, with 100% of held-out values landing inside the 95% band.

+29%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 →
1.4Projected 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 →
0.16–2.595% 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 →
±39%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, Gray Catbird in Georgia is projected to rise about 29% by 2030 — from 1.0 in 2025 to a central estimate of 1.4 (95% range 0.16–2.5). A 5-year backtest shows a typical error of ±39%, 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 →
20261.50.302.7
20271.50.262.6
20281.40.232.6
20291.40.202.6
20301.40.162.5

Gray Catbird Survey Routes in Georgia

Routes recording Gray Catbird 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 →
Needmore1319831977
Hiram820181975
Douglas819841978
Tarver820231991
Candler820242009
Lyons719941966
Kite Lake720252015
Woodstock720212006
Cartersville620241966
Waycross519841970
Fitzgerald320251967
Cuthbert320251970
Athens320251966
Oakman320231966
Tazewell320231967
Baxter320221975
Deepstep320231975
Finleyson320251976
Philema320252010
Barges320222011
Sharon320222022
Pleasant Hill320252005
Guyton219931978
Lincolnton220171966
Newton220231975

Gray Catbird Population Trend in Other States

alabamaarizonaarkansascoloradoconnecticutdelawarefloridaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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