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

Northern House Wren Population Trend in Georgia

All statesForest birds

Northern House Wren in Georgia has risen sharply: up 54% on the route-weighted index since 1975.

+54%Since 1975TrendPercent 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 →
38Routes 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 →
47YearsYears 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 House Wren 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 →

Northern House Wren has risen sharply in Georgia: up 54% on the route-weighted index since 1975.

Northern House Wren Population Forecast in Georgia

If the recent trend holds, Northern House Wren in Georgia is projected to rise about 226% by 2029 — from 0.11 in 2024 to a central estimate of 0.35 (95% range 0.14–0.55). A 5-year backtest shows a typical error of ±76.9%, with 80% of held-out values landing inside the 95% band.

+226%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 →
0.35Projected 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 →
0.14–0.5595% 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 →
±76.9%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, Northern House Wren in Georgia is projected to rise about 226% by 2029 — from 0.11 in 2024 to a central estimate of 0.35 (95% range 0.14–0.55). A 5-year backtest shows a typical error of ±76.9%, with 80% of held-out values landing inside the 95% band.19702029
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 →
20250.320.120.53
20260.330.120.54
20270.330.130.54
20280.340.130.55
20290.350.140.55

Northern House Wren Survey Routes in Georgia

Routes recording Northern House Wren 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 →
Stoney Point720072007
Hollonville420031978
Candler420212009
Good Hope320232005
Kite Lake320222019
Woodstock320212021
Stockton219841984
Cuthbert220032003
Lyons219761970
Baldwin220191970
Siloam219751975
Shannon220192005
Stockbridge220231987
Rutledge220191975
Juliette220001978
Sunny Side220192009
Forsyth120221974
Lincolnton120072001
Maxeys120242000
Athens120131984
Oakman120242005
Cartersville120241985
Bowdon120171974
Linwood119911988
Baxter120221984

Northern House Wren Population Trend in Other States

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

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