Species · Pennsylvania · BBS 2025 Release · 1966–2024
Golden-winged Warbler Population Trend in Pennsylvania
Golden-winged Warbler in Pennsylvania has collapsed: down 96% on the route-weighted index since 1968.
-96%Since 1968
59Routes In State
55Years
Notable Golden-winged Warbler Trends in Pennsylvania
long arc declinecomputed index
Golden-winged Warbler has collapsed in Pennsylvania: down 96% on the route-weighted index since 1968.
Golden-winged Warbler Population Forecast in Pennsylvania
If the recent trend holds, Golden-winged Warbler in Pennsylvania is projected to stay roughly flat through 2026, near 0.00 (95% range 0.00–0.14). A 5-year backtest shows a typical error of ±254.9%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2026
0.00Projected 2026 index
0.00–0.1495% range
±254.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2022 | 0.00 | 0.00 | 0.14 |
| 2023 | 0.00 | 0.00 | 0.14 |
| 2024 | 0.00 | 0.00 | 0.14 |
| 2025 | 0.00 | 0.00 | 0.14 |
| 2026 | 0.00 | 0.00 | 0.14 |
Golden-winged Warbler Survey Routes in Pennsylvania
| Rector | 3 | 1977 | 1966 |
| Peru Mills | 3 | 2003 | 1966 |
| Laurel Hill | 2 | 1982 | 1979 |
| Wakena | 2 | 1982 | 1979 |
| Clover | 1 | 1989 | 1989 |
| Wyalusing | 1 | 2008 | 1988 |
| Whig Hill | 1 | 1988 | 1966 |
| Lynch | 1 | 1981 | 1981 |
| N Washington | 1 | 1978 | 1975 |
| N Pine Grove | 1 | 2003 | 1973 |
| Pottersdale | 1 | 1980 | 1969 |
| Broad Mtn. | 1 | 2013 | 2013 |
| Sproul Sf-A | 1 | 2008 | 2005 |
| Ramsey | 1 | 2001 | 1969 |
| Jeannette | 1 | 1981 | 1980 |
| Rosecrans | 1 | 1998 | 1971 |
| Ravensburg | 1 | 1975 | 1975 |
| Mawr Glen | 1 | 1994 | 1994 |
| Austinville | 1 | 1997 | 1997 |
| Waller | 1 | 2006 | 1976 |
| Pocono Summit | 1 | 1981 | 1966 |
| Hop Bottom | 1 | 1984 | 1968 |
| Honesdale | 1 | 1991 | 1991 |
| Starlight | 1 | 1983 | 1979 |
| Greentown | 1 | 2001 | 1975 |
Golden-winged Warbler Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.