Species · Mississippi · BBS 2025 Release · 1966–2024
Great Egret Population Trend in Mississippi
Great Egret in Mississippi has surged: up 850% on the route-weighted index since 1970.
+850%Since 1970
61Routes In State
55Years
Notable Great Egret Trends in Mississippi
long arc increasecomputed index
Great Egret has surged in Mississippi: up 850% on the route-weighted index since 1970.
Great Egret Population Forecast in Mississippi
If the recent trend holds, Great Egret in Mississippi is projected to rise about 16% by 2029 — from 7.5 in 2024 to a central estimate of 8.8 (95% range 4.5–13). A 5-year backtest shows a typical error of ±50.5%, with 100% of held-out values landing inside the 95% band.
+16%Change by 2029
8.8Projected 2029 index
4.5–1395% range
±50.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 8.2 | 3.9 | 12 |
| 2026 | 8.3 | 4.0 | 13 |
| 2027 | 8.5 | 4.2 | 13 |
| 2028 | 8.6 | 4.3 | 13 |
| 2029 | 8.8 | 4.5 | 13 |
Great Egret Survey Routes in Mississippi
| Macon | 38 | 2024 | 1966 |
| Corinth | 33 | 2024 | 2011 |
| Panther Swamp Nwr | 33 | 2018 | 2016 |
| Eagle Lake | 29 | 2024 | 2012 |
| Tchula 2 | 27 | 1994 | 1977 |
| Isola | 22 | 2022 | 1972 |
| Trace Hinds | 21 | 2022 | 2014 |
| Tallahatchie | 19 | 2024 | 1996 |
| Necaise | 12 | 2016 | 1984 |
| Tchula | 11 | 1971 | 1970 |
| Trace South | 11 | 2010 | 2007 |
| Lake Mary | 10 | 1990 | 1974 |
| Tchula 3 | 8 | 2024 | 1995 |
| Tippo | 7 | 2024 | 1996 |
| Grenada Lake | 7 | 2019 | 2017 |
| Delta N.F. | 6 | 2021 | 1995 |
| Lake | 5 | 2023 | 2006 |
| Cybur | 5 | 2019 | 1978 |
| Aberdeen | 5 | 2024 | 2008 |
| Duffee | 5 | 2008 | 1997 |
| Commerce | 4 | 1993 | 1993 |
| Monticello | 4 | 2017 | 2017 |
| Water Valley | 4 | 2018 | 2015 |
| Trace Madison | 4 | 2019 | 2015 |
| Winterville | 3 | 2011 | 2009 |
Great Egret Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.