Guild · Michigan · BBS 2025 Release · 1966–2024
Wetland Birds In Michigan
17 species in this guild. As a group they are +55% since 1968.
Guild Signals
No notable trend signals for wetland birds in Michigan. See the full index history below.
Forecast
If the recent trend holds, Wetland birds in Michigan is projected to rise about 38% by 2029 — from 1.1 in 2024 to a central estimate of 1.6 (95% range 0.38–2.7). A 5-year backtest shows a typical error of ±61.2%, with 100% of held-out values landing inside the 95% band.
+38%Change by 2029
1.6Projected 2029 index
0.38–2.795% range
±61.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.5 | 0.36 | 2.7 |
| 2026 | 1.5 | 0.36 | 2.7 |
| 2027 | 1.5 | 0.37 | 2.7 |
| 2028 | 1.5 | 0.38 | 2.7 |
| 2029 | 1.6 | 0.38 | 2.7 |
Member Species In Michigan
| Black Tern | Laridae | -96% |
| Herring Gull | Laridae | -94% |
| Pied-billed Grebe | Podicipedidae | -93% |
| Common Gallinule | Rallidae | -86% |
| Sora | Rallidae | -83% |
| Double-crested Cormorant | Phalacrocoracidae | -69% |
| Virginia Rail | Rallidae | -63% |
| American Coot | Rallidae | -60% |
| Least Bittern | Ardeidae | -53% |
| Caspian Tern | Laridae | -33% |
| Great Egret | Ardeidae | +11% |
| American Bittern | Ardeidae | +48% |
| Green Heron | Ardeidae | +52% |
| Common Loon | Gaviidae | +117% |
| Great Blue Heron | Ardeidae | +160% |
| Sandhill Crane | Gruidae | 40× |
| Ring-billed Gull | Laridae | 47× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.