Guild · South Carolina · BBS 2025 Release · 1966–2024
Aerial Insectivores In South Carolina
13 species in this guild. As a group they are -30% since 1968.
Guild Signals
No notable trend signals for aerial insectivores in South Carolina. See the full index history below.
Forecast
If the recent trend holds, Aerial insectivores in South Carolina is projected to stay roughly flat through 2029, near 4.2 (95% range 2.2–6.2). A 5-year backtest shows a typical error of ±16.8%, with 100% of held-out values landing inside the 95% band.
+6%Change by 2029
4.2Projected 2029 index
2.2–6.295% range
±16.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.3 | 2.3 | 6.2 |
| 2026 | 4.3 | 2.3 | 6.2 |
| 2027 | 4.2 | 2.3 | 6.2 |
| 2028 | 4.2 | 2.3 | 6.2 |
| 2029 | 4.2 | 2.2 | 6.2 |
Member Species In South Carolina
| Chimney Swift | Apodidae | -77% |
| Purple Martin | Hirundinidae | -59% |
| Eastern Kingbird | Tyrannidae | -47% |
| Common Nighthawk | Caprimulgidae | -39% |
| Chuck-will's-widow | Caprimulgidae | -28% |
| Acadian Flycatcher | Tyrannidae | -4% |
| Great Crested Flycatcher | Tyrannidae | +4% |
| Eastern Wood-Pewee | Tyrannidae | +22% |
| Eastern Whip-poor-will | Caprimulgidae | +46% |
| Cliff Swallow | Hirundinidae | +175% |
| Northern Rough-winged Swallow | Hirundinidae | +239% |
| Barn Swallow | Hirundinidae | +398% |
| Eastern Phoebe | Tyrannidae | +562% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.