Guild · Tennessee · BBS 2025 Release · 1966–2024
Aerial Insectivores In Tennessee
17 species in this guild. As a group they are +23% since 1968.
Guild Signals
No notable trend signals for aerial insectivores in Tennessee. See the full index history below.
Forecast
If the recent trend holds, Aerial insectivores in Tennessee is projected to fall about 24% by 2029 — from 6.8 in 2024 to a central estimate of 5.2 (95% range 4.1–6.3). A 5-year backtest shows a typical error of ±18.7%, with 60% of held-out values landing inside the 95% band.
-24%Change by 2029
5.2Projected 2029 index
4.1–6.395% range
±18.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 5.2 | 4.0 | 6.3 |
| 2026 | 5.2 | 4.0 | 6.3 |
| 2027 | 5.2 | 4.0 | 6.3 |
| 2028 | 5.2 | 4.1 | 6.3 |
| 2029 | 5.2 | 4.1 | 6.3 |
Member Species In Tennessee
| Common Nighthawk | Caprimulgidae | -88% |
| Chimney Swift | Apodidae | -74% |
| Eastern Whip-poor-will | Caprimulgidae | -69% |
| Eastern Kingbird | Tyrannidae | -35% |
| Chuck-will's-widow | Caprimulgidae | -35% |
| Barn Swallow | Hirundinidae | -35% |
| Willow Flycatcher | Tyrannidae | -29% |
| Eastern Wood-Pewee | Tyrannidae | +20% |
| Great Crested Flycatcher | Tyrannidae | +48% |
| Purple Martin | Hirundinidae | +50% |
| Least Flycatcher | Tyrannidae | +58% |
| Eastern Phoebe | Tyrannidae | +92% |
| Acadian Flycatcher | Tyrannidae | +213% |
| Northern Rough-winged Swallow | Hirundinidae | +219% |
| Bank Swallow | Hirundinidae | +448% |
| Tree Swallow | Hirundinidae | 15× |
| Cliff Swallow | Hirundinidae | 53× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.