Guild · Kansas · BBS 2025 Release · 1966–2024
Wetland Birds In Kansas
18 species in this guild. As a group they are -20% since 1969.
Guild Signals
No notable trend signals for wetland birds in Kansas. See the full index history below.
Forecast
If the recent trend holds, Wetland birds in Kansas is projected to fall about 38% by 2029 — from 0.52 in 2024 to a central estimate of 0.32 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±37.9%, with 100% of held-out values landing inside the 95% band.
-38%Change by 2029
0.32Projected 2029 index
0.00–1.195% range
±37.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.34 | 0.00 | 1.1 |
| 2026 | 0.34 | 0.00 | 1.1 |
| 2027 | 0.33 | 0.00 | 1.1 |
| 2028 | 0.33 | 0.00 | 1.1 |
| 2029 | 0.32 | 0.00 | 1.1 |
Member Species In Kansas
| Ring-billed Gull | Laridae | -95% |
| Black Tern | Laridae | -93% |
| Black-crowned Night Heron | Ardeidae | -90% |
| American Coot | Rallidae | -80% |
| Green Heron | Ardeidae | -77% |
| Little Blue Heron | Ardeidae | -64% |
| Forster's Tern | Laridae | -58% |
| Pied-billed Grebe | Podicipedidae | -51% |
| Virginia Rail | Rallidae | -49% |
| Yellow-crowned Night Heron | Ardeidae | -46% |
| Least Tern | Laridae | -41% |
| American Bittern | Ardeidae | +78% |
| Great Blue Heron | Ardeidae | +80% |
| White-faced Ibis | Threskiornithidae | +342% |
| Western Cattle-Egret | Ardeidae | +688% |
| Snowy Egret | Ardeidae | +698% |
| Double-crested Cormorant | Phalacrocoracidae | +834% |
| Great Egret | Ardeidae | 41× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.