Guild · Wyoming · BBS 2025 Release · 1966–2024
Wetland Birds In Wyoming
16 species in this guild. As a group they are +14% since 1970.
Guild Signals
No notable trend signals for wetland birds in Wyoming. See the full index history below.
Forecast
If the recent trend holds, Wetland birds in Wyoming is projected to rise about 57% by 2029 — from 0.47 in 2024 to a central estimate of 0.73 (95% range 0.23–1.2). A 5-year backtest shows a typical error of ±54.4%, with 100% of held-out values landing inside the 95% band.
+57%Change by 2029
0.73Projected 2029 index
0.23–1.295% range
±54.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.72 | 0.22 | 1.2 |
| 2026 | 0.72 | 0.23 | 1.2 |
| 2027 | 0.73 | 0.23 | 1.2 |
| 2028 | 0.73 | 0.23 | 1.2 |
| 2029 | 0.73 | 0.23 | 1.2 |
Member Species In Wyoming
| Franklin's Gull | Laridae | -95% |
| Black-crowned Night Heron | Ardeidae | -93% |
| American Bittern | Ardeidae | -90% |
| Pied-billed Grebe | Podicipedidae | -85% |
| Forster's Tern | Laridae | -63% |
| Common Loon | Gaviidae | -47% |
| California Gull | Laridae | -11% |
| Double-crested Cormorant | Phalacrocoracidae | +14% |
| Sora | Rallidae | +31% |
| Great Blue Heron | Ardeidae | +39% |
| Western Grebe | Podicipedidae | +43% |
| American Coot | Rallidae | +71% |
| Eared Grebe | Podicipedidae | +72% |
| American White Pelican | Pelecanidae | +606% |
| Ring-billed Gull | Laridae | +645% |
| Sandhill Crane | Gruidae | 11× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.