Guild · New Jersey · BBS 2025 Release · 1966–2024
Wetland Birds In New Jersey
20 species in this guild. As a group they are +858% since 1968.
Guild Signals
No notable trend signals for wetland birds in New Jersey. See the full index history below.
Forecast
If the recent trend holds, Wetland birds in New Jersey is projected to stay roughly flat through 2029, near 6.1 (95% range 0.46–12). A 5-year backtest shows a typical error of ±50.6%, with 100% of held-out values landing inside the 95% band.
+4%Change by 2029
6.1Projected 2029 index
0.46–1295% range
±50.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 5.8 | 0.19 | 11 |
| 2026 | 5.9 | 0.26 | 12 |
| 2027 | 5.9 | 0.33 | 12 |
| 2028 | 6.0 | 0.39 | 12 |
| 2029 | 6.1 | 0.46 | 12 |
Member Species In New Jersey
| Black Skimmer | Laridae | -92% |
| Least Tern | Laridae | -89% |
| Common Tern | Laridae | -87% |
| Forster's Tern | Laridae | -65% |
| Little Blue Heron | Ardeidae | -58% |
| Tricolored Heron | Ardeidae | -57% |
| Green Heron | Ardeidae | -57% |
| Snowy Egret | Ardeidae | -55% |
| Black-crowned Night Heron | Ardeidae | -45% |
| Yellow-crowned Night Heron | Ardeidae | -29% |
| Great Egret | Ardeidae | -13% |
| Western Cattle-Egret | Ardeidae | -5% |
| Ring-billed Gull | Laridae | +78% |
| Double-crested Cormorant | Phalacrocoracidae | +145% |
| Clapper Rail | Rallidae | +186% |
| Great Blue Heron | Ardeidae | +401% |
| Great Black-backed Gull | Laridae | +580% |
| Glossy Ibis | Threskiornithidae | +749% |
| Laughing Gull | Laridae | 25× |
| Herring Gull | Laridae | 66× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.