Guild · Rhode Island · BBS 2025 Release · 1966–2024
Wetland Birds In Rhode Island
6 species in this guild. As a group they are -96% since 1969.
Guild Signals
guild collapsecomputed index
Wetland birds as a group have collapsed in Rhode Island, down 96% since 1969.
Forecast
If the recent trend holds, Wetland birds in Rhode Island is projected to rise about 16× by 2029 — from 0.67 in 2024 to a central estimate of 10 (95% range 0.00–75). A 5-year backtest shows a typical error of ±2647.2%, with 100% of held-out values landing inside the 95% band.
16×Change by 2029
10Projected 2029 index
0.00–7595% range
±2647.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 12 | 0.00 | 76 |
| 2026 | 11 | 0.00 | 76 |
| 2027 | 11 | 0.00 | 76 |
| 2028 | 11 | 0.00 | 75 |
| 2029 | 10 | 0.00 | 75 |
Member Species In Rhode Island
| Herring Gull | Laridae | -100% |
| Green Heron | Ardeidae | -55% |
| Black-crowned Night Heron | Ardeidae | -8% |
| Great Blue Heron | Ardeidae | +22% |
| Double-crested Cormorant | Phalacrocoracidae | +179% |
| Great Black-backed Gull | Laridae | +324% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.