BirdAnalyst
Species · Georgia · BBS 2026 Release · 1966–2025

Northern Cardinal Population Trend in Georgia

All statesForest birds

Northern Cardinal in Georgia has held roughly steady: up 5% on the route-weighted index since 1968.

+5%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 Northern Cardinal 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 Cardinal in Georgia. See the full index history below.

Northern Cardinal Population Forecast in Georgia

If the recent trend holds, Northern Cardinal in Georgia is projected to stay roughly flat through 2030, near 54 (95% range 41–68). A 5-year backtest shows a typical error of ±7.7%, with 100% of held-out values landing inside the 95% band.

-7%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 →
54Projected 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 →
41–6895% 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 →
±7.7%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 Cardinal in Georgia is projected to stay roughly flat through 2030, near 54 (95% range 41–68). A 5-year backtest shows a typical error of ±7.7%, 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 →
2026544067
2027544067
2028544067
2029544068
2030544168

Northern Cardinal Survey Routes in Georgia

Routes recording Northern Cardinal 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 →
Shiloh15020252012
Newton11620251975
Dickey9720182005
Candler9420252009
Ousley9220252015
Baxley8720191966
Tazewell8520251967
Cotton8220251972
Henderson8120251973
Boston8020251975
Philema7920252010
Colonels Island7720232005
Workmore7620251978
Bethany7620252012
Fitzgerald7520251966
Shannon7520191975
Stockbridge7420251975
Nashville7120251975
Lacross7120251973
Wrightsville7020251966
Whitesburg7020251992
Everett City6920191976
Cuthbert6820251967
Stockton6720251977
Rutledge6720251975

Northern Cardinal Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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