Guild · West Virginia · BBS 2025 Release · 1966–2024
Wetland Birds In West Virginia
4 species in this guild. As a group they are -71% since 1968.
Guild Signals
guild collapsecomputed index
Wetland birds as a group have fallen sharply in West Virginia, down 71% since 1968.
Forecast
If the recent trend holds, Wetland birds in West Virginia is projected to fall about 78% by 2029 — from 5.8 in 2024 to a central estimate of 1.3 (95% range 0.00–8.5). A 5-year backtest shows a typical error of ±78.7%, with 100% of held-out values landing inside the 95% band.
-78%Change by 2029
1.3Projected 2029 index
0.00–8.595% range
±78.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.3 | 0.00 | 9.5 |
| 2026 | 2.0 | 0.00 | 9.3 |
| 2027 | 1.8 | 0.00 | 9.0 |
| 2028 | 1.5 | 0.00 | 8.8 |
| 2029 | 1.3 | 0.00 | 8.5 |
Member Species In West Virginia
| Green Heron | Ardeidae | -85% |
| Red-winged Blackbird | Icteridae | -62% |
| Belted Kingfisher | Alcedinidae | -10% |
| Great Blue Heron | Ardeidae | +390% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.