Guild · Idaho · BBS 2025 Release · 1966–2024
Waterfowl In Idaho
18 species in this guild. As a group they are +88% since 1970.
Guild Signals
No notable trend signals for waterfowl in Idaho. See the full index history below.
Forecast
If the recent trend holds, Waterfowl in Idaho is projected to fall about 13% by 2029 — from 3.1 in 2024 to a central estimate of 2.7 (95% range 1.3–4.2). A 5-year backtest shows a typical error of ±23%, with 80% of held-out values landing inside the 95% band.
-13%Change by 2029
2.7Projected 2029 index
1.3–4.295% range
±23%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.6 | 1.2 | 4.1 |
| 2026 | 2.6 | 1.2 | 4.1 |
| 2027 | 2.7 | 1.2 | 4.1 |
| 2028 | 2.7 | 1.2 | 4.2 |
| 2029 | 2.7 | 1.3 | 4.2 |
Member Species In Idaho
| Common Goldeneye | Anatidae | -92% |
| Barrow's Goldeneye | Anatidae | -91% |
| Redhead | Anatidae | -89% |
| Northern Pintail | Anatidae | -84% |
| Ruddy Duck | Anatidae | -74% |
| Common Merganser | Anatidae | -67% |
| Green-winged Teal | Anatidae | -65% |
| Cinnamon Teal | Anatidae | -61% |
| Blue-winged Teal | Anatidae | -44% |
| Bufflehead | Anatidae | -43% |
| Northern Shoveler | Anatidae | -27% |
| American Wigeon | Anatidae | -18% |
| Mallard | Anatidae | +28% |
| Lesser Scaup | Anatidae | +43% |
| Ring-necked Duck | Anatidae | +61% |
| Wood Duck | Anatidae | +131% |
| Gadwall | Anatidae | +162% |
| Canada Goose | Anatidae | 20× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.