Guild · New York · BBS 2025 Release · 1966–2024
Wetland Birds In New York
19 species in this guild. As a group they are -14% since 1968.
Guild Signals
No notable trend signals for wetland birds in New York. See the full index history below.
Forecast
If the recent trend holds, Wetland birds in New York is projected to rise about 40% by 2029 — from 0.93 in 2024 to a central estimate of 1.3 (95% range 0.16–2.4). A 5-year backtest shows a typical error of ±157.7%, with 100% of held-out values landing inside the 95% band.
+40%Change by 2029
1.3Projected 2029 index
0.16–2.495% range
±157.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.3 | 0.13 | 2.4 |
| 2026 | 1.3 | 0.14 | 2.4 |
| 2027 | 1.3 | 0.15 | 2.4 |
| 2028 | 1.3 | 0.15 | 2.4 |
| 2029 | 1.3 | 0.16 | 2.4 |
Member Species In New York
| Common Tern | Laridae | -97% |
| Herring Gull | Laridae | -95% |
| Snowy Egret | Ardeidae | -83% |
| Black-crowned Night Heron | Ardeidae | -58% |
| Common Gallinule | Rallidae | -49% |
| Green Heron | Ardeidae | -35% |
| Virginia Rail | Rallidae | -32% |
| Least Tern | Laridae | -24% |
| Pied-billed Grebe | Podicipedidae | -8% |
| American Bittern | Ardeidae | +8% |
| Black Skimmer | Laridae | +20% |
| Sora | Rallidae | +43% |
| Glossy Ibis | Threskiornithidae | +64% |
| Common Loon | Gaviidae | +65% |
| Great Blue Heron | Ardeidae | +114% |
| Great Egret | Ardeidae | +128% |
| Great Black-backed Gull | Laridae | +203% |
| Double-crested Cormorant | Phalacrocoracidae | +267% |
| Ring-billed Gull | Laridae | 52× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.