Species · Georgia · BBS 2025 Release · 1966–2024
Blue-winged Warbler Population Trend in Georgia
Blue-winged Warbler in Georgia has fallen sharply: down 72% on the route-weighted index since 1975.
-72%Since 1975
8Routes In State
27Years
Notable Blue-winged Warbler Trends in Georgia
long arc declinecomputed index
Blue-winged Warbler has fallen sharply in Georgia: down 72% on the route-weighted index since 1975.
Blue-winged Warbler Population Forecast in Georgia
If the recent trend holds, Blue-winged Warbler in Georgia is projected to stay roughly flat through 2019, near 0.00 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±130.6%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2019
0.00Projected 2019 index
0.00–0.0495% range
±130.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2015 | 0.00 | 0.00 | 0.04 |
| 2016 | 0.00 | 0.00 | 0.04 |
| 2017 | 0.00 | 0.00 | 0.04 |
| 2018 | 0.00 | 0.00 | 0.04 |
| 2019 | 0.00 | 0.00 | 0.04 |
Blue-winged Warbler Survey Routes in Georgia
| Baxter | 2 | 2002 | 1975 |
| Holly Sprs | 2 | 1978 | 1978 |
| Bowdon | 1 | 1990 | 1990 |
| Linwood | 1 | 2014 | 2014 |
| Pleasant Hill | 1 | 2006 | 2006 |
| Oakman | 1 | 1973 | 1970 |
| Cartersville | 1 | 1977 | 1977 |
| Baldwin | 1 | 1970 | 1970 |
Blue-winged Warbler Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.