Species · New York · BBS 2025 Release · 1966–2024
American Bittern Population Trend in New York
American Bittern in New York has held roughly steady: up 8% on the route-weighted index since 1969.
+8%Since 1969
63Routes In State
57Years
Notable American Bittern Trends in New York
No notable trend signals for American Bittern in New York. See the full index history below.
American Bittern Population Forecast in New York
If the recent trend holds, American Bittern in New York is projected to rise about 13% by 2029 — from 0.12 in 2024 to a central estimate of 0.13 (95% range 0.00–0.26). A 5-year backtest shows a typical error of ±110.2%, with 100% of held-out values landing inside the 95% band.
+13%Change by 2029
0.13Projected 2029 index
0.00–0.2695% range
±110.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.13 | 0.00 | 0.26 |
| 2026 | 0.13 | 0.00 | 0.26 |
| 2027 | 0.13 | 0.00 | 0.26 |
| 2028 | 0.13 | 0.00 | 0.26 |
| 2029 | 0.13 | 0.00 | 0.26 |
American Bittern Survey Routes in New York
| Waddington | 6 | 1998 | 1981 |
| Ellenburg | 3 | 2006 | 1989 |
| Westhampton | 2 | 1993 | 1988 |
| Huntington | 2 | 1981 | 1981 |
| Somers | 2 | 1970 | 1970 |
| Horseshoe L. | 2 | 1998 | 1993 |
| Churchville | 2 | 1976 | 1971 |
| Watertown | 2 | 2010 | 1972 |
| Kasoag | 2 | 1993 | 1972 |
| Highmarket | 2 | 2019 | 1974 |
| Newcomb | 2 | 1988 | 1982 |
| Inlet | 2 | 2016 | 1979 |
| North River | 2 | 1974 | 1971 |
| Argyle | 2 | 2009 | 1981 |
| Ogdensburg | 2 | 2024 | 1983 |
| Sabattis | 2 | 1970 | 1968 |
| Philadelphia | 2 | 2024 | 1989 |
| Jones Beach | 1 | 2006 | 2006 |
| W Shokan | 1 | 1972 | 1972 |
| Austerlitz | 1 | 1968 | 1968 |
| Medusa | 1 | 1969 | 1969 |
| Meridale | 1 | 2007 | 2005 |
| Cobleskill | 1 | 2022 | 2012 |
| Harris Hill | 1 | 2005 | 2005 |
| S Berne | 1 | 1982 | 1982 |
American Bittern Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.