Guild · Missouri · BBS 2025 Release · 1966–2024
Wetland Birds In Missouri
9 species in this guild. As a group they are -68% since 1969.
Guild Signals
guild collapsecomputed index
Wetland birds as a group have fallen sharply in Missouri, down 68% since 1969.
Forecast
If the recent trend holds, Wetland birds in Missouri is projected to stay roughly flat through 2029, near 0.37 (95% range 0.00–0.91). A 5-year backtest shows a typical error of ±22.5%, with 100% of held-out values landing inside the 95% band.
+6%Change by 2029
0.37Projected 2029 index
0.00–0.9195% range
±22.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.40 | 0.00 | 0.95 |
| 2026 | 0.39 | 0.00 | 0.94 |
| 2027 | 0.38 | 0.00 | 0.93 |
| 2028 | 0.38 | 0.00 | 0.92 |
| 2029 | 0.37 | 0.00 | 0.91 |
Member Species In Missouri
| Little Blue Heron | Ardeidae | -99% |
| Black-crowned Night Heron | Ardeidae | -74% |
| Yellow-crowned Night Heron | Ardeidae | -64% |
| Western Cattle-Egret | Ardeidae | -53% |
| Green Heron | Ardeidae | -50% |
| Snowy Egret | Ardeidae | +4% |
| Double-crested Cormorant | Phalacrocoracidae | +11% |
| Great Egret | Ardeidae | +60% |
| Great Blue Heron | Ardeidae | +188% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.