Guild · South Carolina · BBS 2025 Release · 1966–2024
Grassland Birds In South Carolina
5 species in this guild. As a group they are -94% since 1968.
Guild Signals
guild collapsecomputed index
Grassland birds as a group have collapsed in South Carolina, down 94% since 1968.
Forecast
If the recent trend holds, Grassland birds in South Carolina is projected to fall about 100% by 2029 — from 1.4 in 2024 to a central estimate of 0.00 (95% range 0.00–5.8). A 5-year backtest shows a typical error of ±437.2%, with 20% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–5.895% range
±437.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 5.8 |
| 2026 | 0.00 | 0.00 | 5.8 |
| 2027 | 0.00 | 0.00 | 5.8 |
| 2028 | 0.00 | 0.00 | 5.8 |
| 2029 | 0.00 | 0.00 | 5.8 |
Member Species In South Carolina
| Northern Bobwhite | Odontophoridae | -94% |
| Eastern Meadowlark | Icteridae | -90% |
| Grasshopper Sparrow | Passerellidae | -69% |
| Horned Lark | Alaudidae | -65% |
| Dickcissel | Cardinalidae | -52% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.