Guild · Virginia · BBS 2025 Release · 1966–2024
Grassland Birds In Virginia
9 species in this guild. As a group they are -84% since 1968.
Guild Signals
guild collapsecomputed index
Grassland birds as a group have collapsed in Virginia, down 84% since 1968.
Forecast
If the recent trend holds, Grassland birds in Virginia is projected to fall about 100% by 2029 — from 2.0 in 2024 to a central estimate of 0.00 (95% range 0.00–3.3). A 5-year backtest shows a typical error of ±159.7%, with 60% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–3.395% range
±159.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 3.3 |
| 2026 | 0.00 | 0.00 | 3.3 |
| 2027 | 0.00 | 0.00 | 3.3 |
| 2028 | 0.00 | 0.00 | 3.3 |
| 2029 | 0.00 | 0.00 | 3.3 |
Member Species In Virginia
| Vesper Sparrow | Passerellidae | -96% |
| Northern Bobwhite | Odontophoridae | -96% |
| Ring-necked Pheasant | Phasianidae | -91% |
| Horned Lark | Alaudidae | -82% |
| Eastern Meadowlark | Icteridae | -68% |
| Grasshopper Sparrow | Passerellidae | -67% |
| Savannah Sparrow | Passerellidae | -59% |
| Dickcissel | Cardinalidae | -33% |
| Bobolink | Icteridae | +87% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.