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

Green Heron Population Trend in Georgia

All statesWetland birds

Green Heron in Georgia has fallen sharply: down 63% on the route-weighted index since 1968.

-63%Since 1968
96Routes In State
58Years

Notable Green Heron Trends in Georgia

long arc declinecomputed index

Green Heron has fallen sharply in Georgia: down 63% on the route-weighted index since 1968.

Green Heron Population Forecast in Georgia

If the recent trend holds, Green Heron in Georgia is projected to stay roughly flat through 2029, near 0.42 (95% range 0.00–1.2). A 5-year backtest shows a typical error of ±19.5%, with 100% of held-out values landing inside the 95% band.

-3%Change by 2029
0.42Projected 2029 index
0.00–1.295% range
±19.5%Backtest error
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 index95% low95% high
20250.480.001.2
20260.470.001.2
20270.450.001.2
20280.440.001.2
20290.420.001.2

Green Heron Survey Routes in Georgia

Routes recording Green Heron in Georgia.
Keller419931976
Hebron420112005
Guyton319891966
Lyons319921968
Lincolnton320151966
Newton320241975
Hollonville320031973
Linwood320191971
Whitesburg320232014
Millen320212006
Owensboro320242018
Harrietts Bl220191973
Darien220191966
Wrightsville220181984
Athens220241975
Cartersville220231983
Henderson220241975
Macon220161975
Stockbridge220141975
Finleyson220241976
Pitts220241977
Needmore219831977
Riceboro220162014
Colonels Island220192005
White Hill220242021

Green Heron Population Trend in Other States

alabamaarizonaarkansascaliforniaconnecticutdelawarefloridaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawashingtonwest-virginiawisconsin

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