Species · Tennessee · BBS 2025 Release · 1966–2024
Blue-winged Warbler Population Trend in Tennessee
Blue-winged Warbler in Tennessee has declined: down 36% on the route-weighted index since 1968.
-36%Since 1968
27Routes In State
58Years
Notable Blue-winged Warbler Trends in Tennessee
No notable trend signals for Blue-winged Warbler in Tennessee. See the full index history below.
Blue-winged Warbler Population Forecast in Tennessee
If the recent trend holds, Blue-winged Warbler in Tennessee is projected to rise about 30% by 2029 — from 0.23 in 2024 to a central estimate of 0.29 (95% range 0.04–0.55). A 5-year backtest shows a typical error of ±103.5%, with 80% of held-out values landing inside the 95% band.
+30%Change by 2029
0.29Projected 2029 index
0.04–0.5595% range
±103.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.30 | 0.04 | 0.55 |
| 2026 | 0.30 | 0.04 | 0.55 |
| 2027 | 0.30 | 0.04 | 0.55 |
| 2028 | 0.29 | 0.04 | 0.55 |
| 2029 | 0.29 | 0.04 | 0.55 |
Blue-winged Warbler Survey Routes in Tennessee
| Silver Pt | 4 | 2024 | 1982 |
| Glen | 3 | 1966 | 1966 |
| Sweetlips | 2 | 2008 | 1990 |
| Lewis Forest | 2 | 2021 | 1966 |
| Jones Gap | 1 | 2013 | 2013 |
| Mecca | 1 | 2018 | 1994 |
| Big Sandy | 1 | 2013 | 2013 |
| Silerton | 1 | 2000 | 1997 |
| Pond Creek | 1 | 2023 | 1968 |
| Indian Mound | 1 | 1997 | 1967 |
| Collinwood | 1 | 2024 | 1966 |
| Wrigley | 1 | 2019 | 1966 |
| Campbellsville | 1 | 2015 | 1971 |
| Belotes Bend | 1 | 2005 | 1982 |
| White House | 1 | 1975 | 1971 |
| Petersburg | 1 | 2013 | 2013 |
| Peytonsville | 1 | 1973 | 1967 |
| Bradyville | 1 | 2019 | 1966 |
| Tullahoma | 1 | 1968 | 1968 |
| Union Hill | 1 | 2015 | 1981 |
| Jasper | 1 | 1995 | 1977 |
| Elk Valley | 1 | 2019 | 2019 |
| Smokey Jct | 1 | 2002 | 1975 |
| Oliver Spgs | 1 | 2000 | 1978 |
| Mcfarland | 1 | 1975 | 1975 |
Blue-winged Warbler Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.