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
0.000.9195% range
±22.5%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.400.000.95
20260.390.000.94
20270.380.000.93
20280.380.000.92
20290.370.000.91

Member Species In Missouri

Wetland birds species in Missouri.
Little Blue HeronArdeidae-99%
Black-crowned Night HeronArdeidae-74%
Yellow-crowned Night HeronArdeidae-64%
Western Cattle-EgretArdeidae-53%
Green HeronArdeidae-50%
Snowy EgretArdeidae+4%
Double-crested CormorantPhalacrocoracidae+11%
Great EgretArdeidae+60%
Great Blue HeronArdeidae+188%

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.