Guild · Oklahoma · BBS 2025 Release · 1966–2024
Arid-land Birds In Oklahoma
3 species in this guild. As a group they are +47% since 1969.
Guild Signals
No notable trend signals for arid-land birds in Oklahoma. See the full index history below.
Forecast
If the recent trend holds, Arid-land birds in Oklahoma is projected to rise about 70% by 2029 — from 0.22 in 2024 to a central estimate of 0.37 (95% range 0.10–0.65). A 5-year backtest shows a typical error of ±48%, with 100% of held-out values landing inside the 95% band.
+70%Change by 2029
0.37Projected 2029 index
0.10–0.6595% range
±48%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.36 | 0.08 | 0.63 |
| 2026 | 0.36 | 0.09 | 0.64 |
| 2027 | 0.36 | 0.09 | 0.64 |
| 2028 | 0.37 | 0.09 | 0.64 |
| 2029 | 0.37 | 0.10 | 0.65 |
Member Species In Oklahoma
| Curve-billed Thrasher | Mimidae | -5% |
| Greater Roadrunner | Cuculidae | +37% |
| Rufous-crowned Sparrow | Passerellidae | +269% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.