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

White Ibis Population Trend in Georgia

All statesWetland birds

White Ibis in Georgia has increased: up 30% on the route-weighted index since 1968.

+30%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 →
56Routes 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 White Ibis 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 White Ibis in Georgia. See the full index history below.

White Ibis Population Forecast in Georgia

If the recent trend holds, White Ibis in Georgia is projected to rise about 33% by 2030 — from 2.3 in 2025 to a central estimate of 3.1 (95% range 0.18–6.0). A 5-year backtest shows a typical error of ±25.2%, with 100% of held-out values landing inside the 95% band.

+33%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 →
3.1Projected 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 →
0.18–6.095% 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 →
±25.2%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, White Ibis in Georgia is projected to rise about 33% by 2030 — from 2.3 in 2025 to a central estimate of 3.1 (95% range 0.18–6.0). A 5-year backtest shows a typical error of ±25.2%, 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 →
20263.00.075.9
20273.00.105.9
20283.00.125.9
20293.00.155.9
20303.10.186.0

White Ibis Survey Routes in Georgia

Routes recording White Ibis 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 →
Colonels Island5020232006
Ousley4720252015
Boston4420251975
Union3420242014
Folkston2020221999
Vidalia1920221996
Weber1820222013
Harrietts Bl1220251970
Glenmore1120252013
Guyton1019901971
Darien920181968
Baxley920191966
Tarver820251992
Finleyson820241976
Needmore819771977
Thornton Road820252006
Fitzgerald720241966
Owensboro720242011
Minter Tweed720162016
Okefenokee619871975
Jacksonboro620231967
Douglas619801978
Dickey620182007
Ware Co620231986
Henderson520251985

White Ibis Population Trend in Other States

alabamaarkansasfloridalouisianamarylandmississippinew-jerseynorth-carolinaoklahomasouth-carolinatexasvirginia

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