Species · Connecticut · BBS 2025 Release · 1966–2024
Ruffed Grouse Population Trend in Connecticut
Ruffed Grouse in Connecticut has fallen sharply: down 65% on the route-weighted index since 1973.
Notable Ruffed Grouse Trends in ConnecticutNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →
long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →
Ruffed Grouse has fallen sharply in Connecticut: down 65% on the route-weighted index since 1973.
Ruffed Grouse Survey Routes in Connecticut
| Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology → | |||
|---|---|---|---|
| Mid Haddam | 2 | 1985 | 1976 |
| Mystic | 1 | 1990 | 1990 |
| E Hartland | 1 | 1980 | 1980 |
| Uncasville | 1 | 1981 | 1981 |
| Woodstock | 1 | 1996 | 1968 |
| New Hartford | 1 | 1996 | 1996 |
| Willimantic | 1 | 1997 | 1968 |
| No Woodbury | 1 | 1982 | 1968 |
| Sherman | 1 | 1977 | 1977 |
| Warren | 1 | 1992 | 1982 |
Ruffed Grouse Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.