Species · Alabama · BBS 2025 Release · 1966–2024
Yellow Warbler Population Trend in Alabama
Yellow Warbler in Alabama has collapsed: down 92% on the route-weighted index since 1968.
-92%Since 1968
35Routes In State
43Years
Notable Yellow Warbler Trends in Alabama
long arc declinecomputed index
Yellow Warbler has collapsed in Alabama: down 92% on the route-weighted index since 1968.
Yellow Warbler Population Forecast in Alabama
If the recent trend holds, Yellow Warbler in Alabama is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.14). A 5-year backtest shows a typical error of ±436.8%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1495% range
±436.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.14 |
| 2026 | 0.00 | 0.00 | 0.14 |
| 2027 | 0.00 | 0.00 | 0.14 |
| 2028 | 0.00 | 0.00 | 0.14 |
| 2029 | 0.00 | 0.00 | 0.14 |
Yellow Warbler Survey Routes in Alabama
| Talladega | 4 | 2007 | 2004 |
| Millerville | 2 | 1973 | 1969 |
| Maytown | 2 | 1981 | 1967 |
| Lanett | 2 | 1982 | 1968 |
| St Florian | 1 | 1980 | 1973 |
| Hillsboro | 1 | 1985 | 1966 |
| Trade | 1 | 1981 | 1966 |
| Summitt | 1 | 1969 | 1966 |
| Swaim | 1 | 1996 | 1979 |
| Pine Grove | 1 | 2014 | 1974 |
| Dawson | 1 | 1996 | 1973 |
| Dearmanville | 1 | 1971 | 1966 |
| Sunny Eve | 1 | 2001 | 1991 |
| Greensport | 1 | 2005 | 1966 |
| Smyer Lake | 1 | 2014 | 1966 |
| Mt Olive | 1 | 2003 | 1966 |
| Liberty | 1 | 2001 | 1967 |
| Harrell | 1 | 1987 | 1973 |
| Billingsley | 1 | 1981 | 1981 |
| Warrior Std | 1 | 1969 | 1969 |
| Nixburg 2 | 1 | 2010 | 2010 |
| Latham | 1 | 1984 | 1984 |
| Foley | 1 | 1972 | 1972 |
| Birmingham | 1 | 1990 | 1971 |
| Guntersville | 1 | 2003 | 1988 |
Yellow Warbler Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.