Species · New York · BBS 2025 Release · 1966–2024
Ruffed Grouse Population Trend in New York
Ruffed Grouse in New York has surged: up 101% on the route-weighted index since 1968.
+101%Since 1968
88Routes In State
58Years
Notable Ruffed Grouse Trends in New York
long arc increasecomputed index
Ruffed Grouse has surged in New York: up 101% on the route-weighted index since 1968.
Ruffed Grouse Population Forecast in New York
If the recent trend holds, Ruffed Grouse in New York is projected to fall about 51% by 2029 — from 0.29 in 2024 to a central estimate of 0.14 (95% range 0.03–0.26). A 5-year backtest shows a typical error of ±308.7%, with 40% of held-out values landing inside the 95% band.
-51%Change by 2029
0.14Projected 2029 index
0.03–0.2695% range
±308.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.14 | 0.02 | 0.25 |
| 2026 | 0.14 | 0.02 | 0.25 |
| 2027 | 0.14 | 0.02 | 0.26 |
| 2028 | 0.14 | 0.03 | 0.26 |
| 2029 | 0.14 | 0.03 | 0.26 |
Ruffed Grouse Survey Routes in New York
| Wanakena | 12 | 2024 | 1992 |
| Cooperstown | 3 | 1968 | 1968 |
| Platte Cove | 2 | 2016 | 2011 |
| Mcdonough | 2 | 2015 | 1990 |
| Trumansburg | 2 | 1988 | 1988 |
| Cattaraugus | 2 | 1983 | 1978 |
| Oneida | 2 | 2010 | 1976 |
| Sabattis | 2 | 1970 | 1968 |
| S Vandalia | 2 | 1996 | 1996 |
| Oxford 2 | 2 | 2019 | 1980 |
| Old Forge 2 | 2 | 2014 | 2011 |
| Bedford | 1 | 1991 | 1976 |
| Rhinebeck | 1 | 1979 | 1967 |
| Highland | 1 | 1995 | 1995 |
| Rifton | 1 | 1980 | 1980 |
| Westbrookvle | 1 | 1969 | 1969 |
| W Shokan | 1 | 1984 | 1972 |
| Austerlitz | 1 | 2005 | 1967 |
| Petersburg | 1 | 2011 | 1973 |
| Catskills | 1 | 1973 | 1973 |
| Medusa | 1 | 2022 | 2017 |
| Meridale | 1 | 2023 | 1970 |
| Cobleskill | 1 | 2017 | 2017 |
| Duanesburg | 1 | 1976 | 1976 |
| S Berne | 1 | 2013 | 1979 |
Ruffed Grouse Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.