Guild · Wyoming · BBS 2025 Release · 1966–2024
Waterfowl In Wyoming
19 species in this guild. As a group they are +187% since 1970.
Guild Signals
No notable trend signals for waterfowl in Wyoming. See the full index history below.
Forecast
If the recent trend holds, Waterfowl in Wyoming is projected to rise about 266% by 2029 — from 0.59 in 2024 to a central estimate of 2.2 (95% range 1.1–3.2). A 5-year backtest shows a typical error of ±97%, with 40% of held-out values landing inside the 95% band.
+266%Change by 2029
2.2Projected 2029 index
1.1–3.295% range
±97%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.1 | 1.0 | 3.1 |
| 2026 | 2.1 | 1.1 | 3.1 |
| 2027 | 2.1 | 1.1 | 3.1 |
| 2028 | 2.1 | 1.1 | 3.2 |
| 2029 | 2.2 | 1.1 | 3.2 |
Member Species In Wyoming
| Northern Pintail | Anatidae | -70% |
| Bufflehead | Anatidae | -56% |
| Green-winged Teal | Anatidae | -47% |
| Cinnamon Teal | Anatidae | -46% |
| Blue-winged Teal | Anatidae | -27% |
| Ruddy Duck | Anatidae | -24% |
| American Wigeon | Anatidae | -15% |
| Mallard | Anatidae | -2% |
| Wood Duck | Anatidae | +1% |
| Ring-necked Duck | Anatidae | +34% |
| Common Merganser | Anatidae | +51% |
| Northern Shoveler | Anatidae | +99% |
| Barrow's Goldeneye | Anatidae | +112% |
| Redhead | Anatidae | +116% |
| Lesser Scaup | Anatidae | +121% |
| Gadwall | Anatidae | +167% |
| Canvasback | Anatidae | +196% |
| Trumpeter Swan | Anatidae | +441% |
| Canada Goose | Anatidae | 48× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.