Species · Pennsylvania · BBS 2025 Release · 1966–2024
Common Raven Population Trend in Pennsylvania
Common Raven in Pennsylvania has surged: up 21× on the route-weighted index since 1969.
21×Since 1969
103Routes In State
56Years
Notable Common Raven Trends in Pennsylvania
long arc increasecomputed index
Common Raven has surged in Pennsylvania: up 21× on the route-weighted index since 1969.
Common Raven Population Forecast in Pennsylvania
If the recent trend holds, Common Raven in Pennsylvania is projected to stay roughly flat through 2029, near 1.5 (95% range 1.2–1.9). A 5-year backtest shows a typical error of ±16.8%, with 60% of held-out values landing inside the 95% band.
-8%Change by 2029
1.5Projected 2029 index
1.2–1.995% range
±16.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.4 | 1.1 | 1.8 |
| 2026 | 1.5 | 1.1 | 1.8 |
| 2027 | 1.5 | 1.1 | 1.8 |
| 2028 | 1.5 | 1.2 | 1.9 |
| 2029 | 1.5 | 1.2 | 1.9 |
Common Raven Survey Routes in Pennsylvania
| Arnot | 14 | 2024 | 1989 |
| Roulette 2 | 10 | 2024 | 2022 |
| Stoneybreak | 8 | 2024 | 2000 |
| Little Marsh | 7 | 2024 | 1993 |
| Waterstreet | 7 | 2024 | 1989 |
| Ferris Crnrs | 6 | 2024 | 2011 |
| Lynch | 6 | 2024 | 1985 |
| Ansonia | 6 | 2024 | 2002 |
| Espyville | 5 | 1989 | 1989 |
| Cherry Sprs | 5 | 2023 | 1974 |
| Mawr Glen | 5 | 2024 | 1966 |
| Peru Mills | 5 | 2024 | 2002 |
| Ltl Pine Cr | 5 | 2024 | 1990 |
| N Washington | 4 | 2015 | 1988 |
| Ridgway | 4 | 2018 | 1988 |
| Ramsey | 4 | 2023 | 1978 |
| Rosecrans | 4 | 2022 | 1977 |
| English Ctr | 4 | 1988 | 1966 |
| Pocono Summit | 4 | 2024 | 1992 |
| Geeseytown | 4 | 2024 | 1987 |
| New Ringgold | 4 | 2024 | 1968 |
| Tussey Mtn. | 4 | 2023 | 1993 |
| Rush | 3 | 2024 | 2008 |
| Hop Bottom | 3 | 2024 | 1999 |
| Bald Eagle | 3 | 2024 | 1992 |
Common Raven Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.