BirdAnalyst
Species · Georgia · BBS 2025 Release · 1966–2024

Northern Mockingbird Population Trend in Georgia

All statesGeneralists

Northern Mockingbird in Georgia has declined: down 33% on the route-weighted index since 1968.

-33%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 Northern Mockingbird 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 Northern Mockingbird in Georgia. See the full index history below.

Northern Mockingbird Population Forecast in Georgia

If the recent trend holds, Northern Mockingbird in Georgia is projected to fall about 15% by 2029 — from 35 in 2024 to a central estimate of 30 (95% range 17–43). A 5-year backtest shows a typical error of ±10.2%, with 100% of held-out values landing inside the 95% band.

-15%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 →
30Projected 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 →
17–4395% 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 →
±10.2%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, Northern Mockingbird in Georgia is projected to fall about 15% by 2029 — from 35 in 2024 to a central estimate of 30 (95% range 17–43). A 5-year backtest shows a typical error of ±10.2%, 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 →
2025301843
2026301843
2027301743
2028301743
2029301743

Northern Mockingbird Survey Routes in Georgia

Routes recording Northern Mockingbird 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 →
Newton7320241975
Douglas7319841978
Finleyson7220241976
Lakeview6920242006
Pitts6820241977
Weber6720242006
Henderson6520241973
Nashville6420241975
Lincolnton6220171966
Owensboro6220242010
Wrightsville5920241966
Vidalia5920241995
Fitzgerald5820241966
Maxeys5820241966
Fowlstown5720161967
Ousley5720242015
Boston5520241975
Shiloh5520242012
Cotton5420241972
Guyton5319931966
Coffee Co5320241986
Cuthbert5220241967
Dover5220241976
Rock Branch5220242005
Lincolnton 25120242018

Northern Mockingbird Population Trend in Other States

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

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