Guild · Alabama · BBS 2025 Release · 1966–2024
Wetland Birds In Alabama
29 species in this guild. As a group they are +191% since 1968.
Guild Signals
No notable trend signals for wetland birds in Alabama. See the full index history below.
Forecast
If the recent trend holds, Wetland birds in Alabama is projected to rise about 38% by 2029 — from 0.93 in 2024 to a central estimate of 1.3 (95% range 0.62–2.0). A 5-year backtest shows a typical error of ±53.2%, with 80% of held-out values landing inside the 95% band.
+38%Change by 2029
1.3Projected 2029 index
0.62–2.095% range
±53.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.3 | 0.59 | 1.9 |
| 2026 | 1.3 | 0.60 | 1.9 |
| 2027 | 1.3 | 0.61 | 1.9 |
| 2028 | 1.3 | 0.61 | 2.0 |
| 2029 | 1.3 | 0.62 | 2.0 |
Member Species In Alabama
| Gull-billed Tern | Laridae | -94% |
| Least Tern | Laridae | -92% |
| Tricolored Heron | Ardeidae | -78% |
| Herring Gull | Laridae | -76% |
| Black Skimmer | Laridae | -74% |
| Purple Gallinule | Rallidae | -73% |
| Reddish Egret | Ardeidae | -72% |
| American Coot | Rallidae | -72% |
| Least Bittern | Ardeidae | -72% |
| Little Blue Heron | Ardeidae | -70% |
| Clapper Rail | Rallidae | -69% |
| Pied-billed Grebe | Podicipedidae | -60% |
| Sandwich Tern | Laridae | -57% |
| Green Heron | Ardeidae | -54% |
| Ring-billed Gull | Laridae | -40% |
| Forster's Tern | Laridae | -33% |
| Caspian Tern | Laridae | -30% |
| Snowy Egret | Ardeidae | -18% |
| Yellow-crowned Night Heron | Ardeidae | +6% |
| Common Gallinule | Rallidae | +99% |
| Western Cattle-Egret | Ardeidae | +192% |
| Black-crowned Night Heron | Ardeidae | +194% |
| Great Blue Heron | Ardeidae | +259% |
| Royal Tern | Laridae | +262% |
| White Ibis | Threskiornithidae | +318% |
| Great Egret | Ardeidae | +840% |
| Brown Pelican | Pelecanidae | 13× |
| Laughing Gull | Laridae | 29× |
| Double-crested Cormorant | Phalacrocoracidae | 38× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.