Guild · Oklahoma · BBS 2026 Release · 1966–2025
Aerial Insectivores In Oklahoma
21 species in this guild. As a group they are +35%Guild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology → since 1969.
Guild SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →
No notable trend signals for aerial insectivores in Oklahoma. See the full index history below.
Aerial Insectivores In Oklahoma Population Forecast
If the recent trend holds, Aerial insectivores in Oklahoma is projected to fall about 10% by 2030 — from 7.5 in 2025 to a central estimate of 6.8 (95% range 4.8–8.7). A 5-year backtest shows a typical error of ±5.6%, with 100% of held-out values landing inside the 95% band.
Member Species In Oklahoma
| TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology → | ||
|---|---|---|
| Chimney Swift | Apodidae | -88% |
| Eastern Kingbird | Tyrannidae | -76% |
| Bank Swallow | Hirundinidae | -70% |
| Willow Flycatcher | Tyrannidae | -50% |
| Western Kingbird | Tyrannidae | -38% |
| Scissor-tailed Flycatcher | Tyrannidae | -32% |
| Barn Swallow | Hirundinidae | -21% |
| Great Crested Flycatcher | Tyrannidae | -15% |
| Purple Martin | Hirundinidae | -5% |
| Chuck-will's-widow | Caprimulgidae | +9% |
| Eastern Wood-Pewee | Tyrannidae | +21% |
| Eastern Whip-poor-will | Caprimulgidae | +50% |
| Northern Rough-winged Swallow | Hirundinidae | +51% |
| Common Poorwill | Caprimulgidae | +85% |
| Eastern Phoebe | Tyrannidae | +108% |
| Common Nighthawk | Caprimulgidae | +132% |
| Say's Phoebe | Tyrannidae | +137% |
| Acadian Flycatcher | Tyrannidae | +144% |
| Ash-throated Flycatcher | Tyrannidae | +296% |
| Cliff Swallow | Hirundinidae | +365% |
| Tree Swallow | Hirundinidae | +953% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.