Species · Georgia · BBS 2025 Release · 1966–2024
Black-crowned Night Heron Population Trend in Georgia
Black-crowned Night Heron in Georgia has collapsed: down 96% on the route-weighted index since 1969.
-96%Since 1969
22Routes In State
37Years
Notable Black-crowned Night Heron Trends in Georgia
long arc declinecomputed index
Black-crowned Night Heron has collapsed in Georgia: down 96% on the route-weighted index since 1969.
Black-crowned Night Heron Population Forecast in Georgia
If the recent trend holds, Black-crowned Night Heron in Georgia is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.46). A 5-year backtest shows a typical error of ±496.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.4695% range
±496.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.46 |
| 2026 | 0.00 | 0.00 | 0.46 |
| 2027 | 0.00 | 0.00 | 0.46 |
| 2028 | 0.00 | 0.00 | 0.46 |
| 2029 | 0.00 | 0.00 | 0.46 |
Black-crowned Night Heron Survey Routes in Georgia
| Deepstep | 11 | 2001 | 2001 |
| Darien | 6 | 2019 | 1966 |
| Harrietts Bl | 3 | 2021 | 1982 |
| Boston | 2 | 1983 | 1975 |
| Ware Co | 2 | 2019 | 2015 |
| Fitzgerald | 1 | 2007 | 2005 |
| Everett City | 1 | 2018 | 1976 |
| Courthouse | 1 | 1966 | 1966 |
| Cuthbert | 1 | 1979 | 1979 |
| Guyton | 1 | 1990 | 1990 |
| Hawkinsville | 1 | 1978 | 1978 |
| Newton | 1 | 2024 | 1988 |
| Cotton | 1 | 1983 | 1974 |
| Riceboro | 1 | 1996 | 1996 |
| Jacksonboro | 1 | 1987 | 1987 |
| Woodbine | 1 | 2015 | 2015 |
| Colonels Island | 1 | 2012 | 2012 |
| Wadley | 1 | 2004 | 2002 |
| Pitts | 1 | 2022 | 2022 |
| White Hill | 1 | 2005 | 2005 |
| Keller | 1 | 1984 | 1976 |
| Lincolnton 2 | 1 | 2019 | 2019 |
Black-crowned Night Heron Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.