BirdAnalyst
Species · BCR 27 · BBS 2026 Release · 1966–2025

Great Egret In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainWetland birds

Great Egret in Southeastern Coastal Plain has declined: down 41% on the route-weighted index since 1968.

-41%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 →
306Routes In RegionSurvey 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 SignalsNotable 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 Great Egret in Southeastern Coastal Plain. See the full index history below.

Great Egret In Southeastern Coastal Plain Population Forecast

If the recent trend holds, Great Egret in Southeastern Coastal Plain is projected to stay roughly flat through 2030, near 2.3 (95% range 0.71–3.8). A 5-year backtest shows a typical error of ±32.7%, with 100% of held-out values landing inside the 95% band.

-10%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 →
2.3Projected 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 →
0.71–3.895% 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 →
±32.7%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, Great Egret in Southeastern Coastal Plain is projected to stay roughly flat through 2030, near 2.3 (95% range 0.71–3.8). A 5-year backtest shows a typical error of ±32.7%, 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 →
20262.20.653.8
20272.20.673.8
20282.20.683.8
20292.20.703.8
20302.30.713.8

Routes In Southeastern Coastal Plain

Routes recording Great Egret in Southeastern Coastal Plain.
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 →
MaconMISSISSIPPI552025
WedgeworthALABAMA442025
GrangeburgALABAMA432024
Eglin A.F.B.FLORIDA391997
HarrellALABAMA312025
Gainestown FerryALABAMA262015
NewtonGEORGIA232025
Port St Joe 2FLORIDA222018
Mossy HeadFLORIDA202010
OwensboroGEORGIA182025
Hildreth 2FLORIDA162011
Myrtle GroveNORTH-CAROLINA162025
Johns IsleSOUTH-CAROLINA161979
BrantleyALABAMA152025
St Vincent IFLORIDA152025
MadridALABAMA142021
BennettsvilleSOUTH-CAROLINA132017
NecaiseMISSISSIPPI122016
HumboldtTENNESSEE122025
AutaugavilleALABAMA112019
Trace SouthMISSISSIPPI112010
Alabama Pt 2ALABAMA102006
Ft GadsdenFLORIDA102004
HawkinsvilleGEORGIA102024
Lake MaryMISSISSIPPI101990

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