Species · Georgia · BBS 2025 Release · 1966–2024
Glossy Ibis Population Trend in Georgia
Glossy Ibis in Georgia has collapsed: down 97% on the route-weighted index since 1968.
-97%Since 1968
4Routes In State
21Years
Notable Glossy Ibis Trends in Georgia
long arc declinecomputed index
Glossy Ibis has collapsed in Georgia: down 97% on the route-weighted index since 1968.
Glossy Ibis Population Forecast in Georgia
If the recent trend holds, Glossy Ibis in Georgia is projected to fall about 100% by 2029 — from 0.11 in 2024 to a central estimate of 0.00 (95% range 0.00–1.0). A 5-year backtest shows a typical error of ±1895.7%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–1.095% range
±1895.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 1.0 |
| 2026 | 0.00 | 0.00 | 1.0 |
| 2027 | 0.00 | 0.00 | 1.0 |
| 2028 | 0.00 | 0.00 | 1.0 |
| 2029 | 0.00 | 0.00 | 1.0 |
Glossy Ibis Survey Routes in Georgia
| Big Oak | 5 | 2024 | 2009 |
| Thornton Road | 1 | 2024 | 2024 |
| Darien | 1 | 2019 | 1966 |
| Newton | 1 | 2024 | 2021 |
Glossy Ibis Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.