Species · West Virginia · BBS 2025 Release · 1966–2024
Winter Wren Population Trend in West Virginia
Winter Wren in West Virginia has surged: up 345% on the route-weighted index since 1975.
+345%Since 1975
14Routes In State
51Years
Notable Winter Wren Trends in West Virginia
long arc increasecomputed index
Winter Wren has surged in West Virginia: up 345% on the route-weighted index since 1975.
Winter Wren Population Forecast in West Virginia
If the recent trend holds, Winter Wren in West Virginia is projected to fall about 15% by 2029 — from 0.70 in 2024 to a central estimate of 0.60 (95% range 0.17–1.0). A 5-year backtest shows a typical error of ±29.5%, with 100% of held-out values landing inside the 95% band.
-15%Change by 2029
0.60Projected 2029 index
0.17–1.095% range
±29.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.57 | 0.14 | 1.0 |
| 2026 | 0.58 | 0.14 | 1.0 |
| 2027 | 0.58 | 0.15 | 1.0 |
| 2028 | 0.59 | 0.16 | 1.0 |
| 2029 | 0.60 | 0.17 | 1.0 |
Winter Wren Survey Routes in West Virginia
| Glade Run | 18 | 2002 | 1988 |
| Glade Run 2 | 14 | 2024 | 2003 |
| Glady | 4 | 2024 | 2003 |
| Bemis | 4 | 2024 | 2001 |
| Dailey | 2 | 2024 | 1973 |
| Bismark | 2 | 2007 | 2007 |
| Ghent | 1 | 2018 | 2018 |
| Bowden | 1 | 2024 | 1996 |
| Wymer | 1 | 2014 | 1995 |
| Meadowville | 1 | 2019 | 1979 |
| Canaan | 1 | 2022 | 1974 |
| Valley Head | 1 | 1994 | 1994 |
| Richwood | 1 | 2023 | 1980 |
| Green Bank | 1 | 2024 | 1999 |
Winter Wren Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.