Species · West Virginia · BBS 2025 Release · 1966–2024
Black-throated Green Warbler Population Trend in West Virginia
Black-throated Green Warbler in West Virginia has surged: up 381% on the route-weighted index since 1968.
+381%Since 1968
47Routes In State
58Years
Notable Black-throated Green Warbler Trends in West Virginia
long arc increasecomputed index
Black-throated Green Warbler has surged in West Virginia: up 381% on the route-weighted index since 1968.
Black-throated Green Warbler Population Forecast in West Virginia
If the recent trend holds, Black-throated Green Warbler in West Virginia is projected to stay roughly flat through 2029, near 4.1 (95% range 2.3–5.9). A 5-year backtest shows a typical error of ±43.8%, with 80% of held-out values landing inside the 95% band.
+10%Change by 2029
4.1Projected 2029 index
2.3–5.995% range
±43.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.8 | 2.1 | 5.6 |
| 2026 | 3.9 | 2.1 | 5.7 |
| 2027 | 4.0 | 2.2 | 5.8 |
| 2028 | 4.0 | 2.2 | 5.8 |
| 2029 | 4.1 | 2.3 | 5.9 |
Black-throated Green Warbler Survey Routes in West Virginia
| Bemis | 29 | 2024 | 2001 |
| Glade Run 2 | 28 | 2024 | 2003 |
| Wymer | 27 | 2015 | 1995 |
| Glade Run | 17 | 2002 | 1988 |
| Glady | 15 | 2024 | 2001 |
| Richwood | 14 | 2024 | 1980 |
| Green Bank | 13 | 2024 | 1977 |
| Dailey | 6 | 2024 | 1973 |
| Three Forks | 5 | 2024 | 1975 |
| Albright | 5 | 1974 | 1966 |
| Stollings | 4 | 2021 | 1994 |
| Ghent | 4 | 2024 | 1978 |
| Bowden | 4 | 2024 | 1993 |
| Yawkey | 4 | 2011 | 2007 |
| Denmar | 4 | 2024 | 1980 |
| Meadowville | 4 | 2024 | 1972 |
| Ruthbelle | 4 | 2024 | 1975 |
| Valley Head | 3 | 2024 | 1966 |
| Mo Of Seneca | 3 | 2023 | 2008 |
| Pedro | 2 | 2024 | 1986 |
| Bramwell | 2 | 2023 | 2003 |
| Clear Creek | 2 | 2022 | 1995 |
| Bismark | 2 | 2023 | 1977 |
| Hix | 1 | 2001 | 2001 |
| Smoot | 1 | 2022 | 1998 |
Black-throated Green Warbler Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.