Species · BCR 28 · BBS 2025 Release · 1966–2024
Great Egret In Appalachian Mountains
Great Egret in Appalachian Mountains has surged: up 868% on the route-weighted index since 1972.
+868%Since 1972
32Routes In Region
39Years
Notable Signals
long arc increasecomputed index
Great Egret has surged in Appalachian Mountains: up 868% on the route-weighted index since 1972.
Forecast
If the recent trend holds, Great Egret in Appalachian Mountains is projected to rise about 148% by 2029 — from 0.06 in 2024 to a central estimate of 0.16 (95% range 0.00–0.35). A 5-year backtest shows a typical error of ±177.9%, with 100% of held-out values landing inside the 95% band.
+148%Change by 2029
0.16Projected 2029 index
0.00–0.3595% range
±177.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.15 | 0.00 | 0.34 |
| 2026 | 0.15 | 0.00 | 0.34 |
| 2027 | 0.15 | 0.00 | 0.35 |
| 2028 | 0.15 | 0.00 | 0.35 |
| 2029 | 0.16 | 0.00 | 0.35 |
Routes In Appalachian Mountains
| Riverside | ALABAMA | 37 | 2013 |
| Shannon | GEORGIA | 8 | 1995 |
| Stevenson | ALABAMA | 6 | 2024 |
| Greensport | ALABAMA | 4 | 2024 |
| Jefferson Cty | TENNESSEE | 3 | 2006 |
| Martinsburg | WEST-VIRGINIA | 3 | 2013 |
| Talladega | ALABAMA | 2 | 2024 |
| Brunnerville 2 | PENNSYLVANIA | 2 | 2011 |
| Summitt | ALABAMA | 1 | 1967 |
| Pine Grove | ALABAMA | 1 | 2024 |
| Sunny Eve | ALABAMA | 1 | 1990 |
| Smyer Lake | ALABAMA | 1 | 2023 |
| Maytown | ALABAMA | 1 | 2013 |
| Guntersville | ALABAMA | 1 | 2017 |
| Childersburg | ALABAMA | 1 | 1998 |
| Odenville | ALABAMA | 1 | 2001 |
| Brooksville | ALABAMA | 1 | 2012 |
| Lakeview | ALABAMA | 1 | 2008 |
| Choccolocco | ALABAMA | 1 | 2019 |
| Kymulga | ALABAMA | 1 | 2023 |
| Dover | NEW-JERSEY | 1 | 2018 |
| Ramseysburg | NEW-JERSEY | 1 | 1998 |
| Mifflintown | PENNSYLVANIA | 1 | 2000 |
| Middletown | PENNSYLVANIA | 1 | 2006 |
| Brunnerville | PENNSYLVANIA | 1 | 2003 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.