Guild · South Dakota · BBS 2025 Release · 1966–2024
Waterfowl In South Dakota
14 species in this guild. As a group they are -1% since 1969.
Guild Signals
No notable trend signals for waterfowl in South Dakota. See the full index history below.
Forecast
If the recent trend holds, Waterfowl in South Dakota is projected to rise about 43% by 2029 — from 1.9 in 2024 to a central estimate of 2.7 (95% range 0.65–4.7). A 5-year backtest shows a typical error of ±20.5%, with 100% of held-out values landing inside the 95% band.
+43%Change by 2029
2.7Projected 2029 index
0.65–4.795% range
±20.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.7 | 0.63 | 4.7 |
| 2026 | 2.7 | 0.64 | 4.7 |
| 2027 | 2.7 | 0.64 | 4.7 |
| 2028 | 2.7 | 0.64 | 4.7 |
| 2029 | 2.7 | 0.65 | 4.7 |
Member Species In South Dakota
| Redhead | Anatidae | -66% |
| Northern Pintail | Anatidae | -66% |
| Blue-winged Teal | Anatidae | -56% |
| Ruddy Duck | Anatidae | -51% |
| American Wigeon | Anatidae | -49% |
| Green-winged Teal | Anatidae | -33% |
| Northern Shoveler | Anatidae | -26% |
| Lesser Scaup | Anatidae | -21% |
| Mallard | Anatidae | -9% |
| Gadwall | Anatidae | +7% |
| Ring-necked Duck | Anatidae | +37% |
| Canvasback | Anatidae | +55% |
| Wood Duck | Anatidae | +115% |
| Canada Goose | Anatidae | 45× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.