Species · Alaska · BBS 2025 Release · 1966–2024
Tennessee Warbler Population Trend in Alaska
Tennessee Warbler in Alaska has collapsed: down 90% on the route-weighted index since 1995.
-90%Since 1995
16Routes In State
24Years
Notable Tennessee Warbler Trends in Alaska
long arc declinecomputed index
Tennessee Warbler has collapsed in Alaska: down 90% on the route-weighted index since 1995.
Tennessee Warbler Population Forecast in Alaska
If the recent trend holds, Tennessee Warbler in Alaska is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±464.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.2195% range
±464.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.21 |
| 2026 | 0.00 | 0.00 | 0.21 |
| 2027 | 0.00 | 0.00 | 0.21 |
| 2028 | 0.00 | 0.00 | 0.21 |
| 2029 | 0.00 | 0.00 | 0.21 |
Tennessee Warbler Survey Routes in Alaska
| Chicken | 2 | 2024 | 1996 |
| Kuskulana | 2 | 2017 | 1995 |
| Chichagof Is | 2 | 2022 | 2022 |
| Eagle | 1 | 2017 | 2008 |
| Harlequin L. | 1 | 2019 | 2019 |
| Birch Lake | 1 | 2017 | 1968 |
| Nabesna Road | 1 | 2015 | 2015 |
| Skagway | 1 | 2022 | 1997 |
| Mccarthy Rd2 | 1 | 2018 | 2018 |
| Cantwell | 1 | 2017 | 2010 |
| Delta | 1 | 2024 | 2005 |
| Kenny Lake | 1 | 1990 | 1990 |
| Juneau | 1 | 2022 | 2022 |
| Sourdough | 1 | 1995 | 1995 |
| Donelly Dome | 1 | 2012 | 2012 |
| Thorne Bay | 1 | 1999 | 1990 |
Tennessee Warbler Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.