Guild · Oklahoma · BBS 2025 Release · 1966–2024
Grassland Birds In Oklahoma
12 species in this guild. As a group they are +1% since 1969.
Guild Signals
No notable trend signals for grassland birds in Oklahoma. See the full index history below.
Forecast
If the recent trend holds, Grassland birds in Oklahoma is projected to fall about 28% by 2029 — from 21 in 2024 to a central estimate of 15 (95% range 9.3–20). A 5-year backtest shows a typical error of ±21.2%, with 80% of held-out values landing inside the 95% band.
-28%Change by 2029
15Projected 2029 index
9.3–2095% range
±21.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 15 | 9.6 | 21 |
| 2026 | 15 | 9.5 | 21 |
| 2027 | 15 | 9.4 | 21 |
| 2028 | 15 | 9.3 | 20 |
| 2029 | 15 | 9.3 | 20 |
Member Species In Oklahoma
| Henslow's Sparrow | Passerellidae | -65% |
| Northern Bobwhite | Odontophoridae | -64% |
| Eastern Meadowlark | Icteridae | -36% |
| Lark Sparrow | Passerellidae | -9% |
| Western Meadowlark | Icteridae | +19% |
| Dickcissel | Cardinalidae | +43% |
| Lark Bunting | Passerellidae | +53% |
| Upland Sandpiper | Scolopacidae | +157% |
| Ring-necked Pheasant | Phasianidae | +206% |
| Grasshopper Sparrow | Passerellidae | +333% |
| Horned Lark | Alaudidae | 12× |
| Cassin's Sparrow | Passerellidae | 16× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.