Guild · North Carolina · BBS 2025 Release · 1966–2024
Grassland Birds In North Carolina
7 species in this guild. As a group they are -93% since 1968.
Guild Signals
guild collapsecomputed index
Grassland birds as a group have collapsed in North Carolina, down 93% since 1968.
Forecast
If the recent trend holds, Grassland birds in North Carolina is projected to fall about 100% by 2029 — from 1.7 in 2024 to a central estimate of 0.00 (95% range 0.00–6.0). A 5-year backtest shows a typical error of ±317%, with 80% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–6.095% range
±317%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 6.0 |
| 2026 | 0.00 | 0.00 | 6.0 |
| 2027 | 0.00 | 0.00 | 6.0 |
| 2028 | 0.00 | 0.00 | 6.0 |
| 2029 | 0.00 | 0.00 | 6.0 |
Member Species In North Carolina
| Northern Bobwhite | Odontophoridae | -95% |
| Eastern Meadowlark | Icteridae | -79% |
| Henslow's Sparrow | Passerellidae | -68% |
| Savannah Sparrow | Passerellidae | -22% |
| Dickcissel | Cardinalidae | -21% |
| Grasshopper Sparrow | Passerellidae | +5% |
| Horned Lark | Alaudidae | +461% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.