Species · Pennsylvania · BBS 2025 Release · 1966–2024
White-throated Sparrow Population Trend in Pennsylvania
White-throated Sparrow in Pennsylvania has collapsed: down 94% on the route-weighted index since 1968.
-94%Since 1968
30Routes In State
57Years
Notable White-throated Sparrow Trends in Pennsylvania
long arc declinecomputed index
White-throated Sparrow has collapsed in Pennsylvania: down 94% on the route-weighted index since 1968.
White-throated Sparrow Population Forecast in Pennsylvania
If the recent trend holds, White-throated Sparrow in Pennsylvania is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.16). A 5-year backtest shows a typical error of ±63.8%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1695% range
±63.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.16 |
| 2026 | 0.00 | 0.00 | 0.16 |
| 2027 | 0.00 | 0.00 | 0.16 |
| 2028 | 0.00 | 0.00 | 0.16 |
| 2029 | 0.00 | 0.00 | 0.16 |
White-throated Sparrow Survey Routes in Pennsylvania
| Starlight 2 | 6 | 2008 | 2008 |
| Ellenton | 3 | 2011 | 1985 |
| Rasselas | 2 | 2009 | 2009 |
| Little Marsh | 2 | 2012 | 2006 |
| Mawr Glen | 2 | 1991 | 1984 |
| Marsh Hill | 2 | 2024 | 1983 |
| Pocono Summit | 2 | 2018 | 1966 |
| Greentown | 2 | 2001 | 1969 |
| Poyntelle | 2 | 2017 | 1973 |
| Mifflintown | 2 | 1980 | 1980 |
| Slippery Rk | 1 | 1991 | 1991 |
| Teepleville | 1 | 1973 | 1973 |
| Pocono Summit 2 | 1 | 2009 | 2006 |
| Lynch | 1 | 1986 | 1986 |
| Lovelton | 1 | 2019 | 1999 |
| Ridgway | 1 | 1992 | 1967 |
| Roulette | 1 | 2008 | 2008 |
| Ravensburg | 1 | 1975 | 1975 |
| Rush | 1 | 2023 | 1970 |
| Bow Bridge | 1 | 2004 | 1969 |
| Honesdale | 1 | 2010 | 1993 |
| Starlight | 1 | 1985 | 1975 |
| Canadensis | 1 | 2013 | 2013 |
| Susquehanna | 1 | 2006 | 1975 |
| Wakena | 1 | 1969 | 1969 |
White-throated Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.