Species · BCR 14 · BBS 2025 Release · 1966–2024
Philadelphia Vireo In Atlantic Northern Forest
Philadelphia Vireo in Atlantic Northern Forest has increased: up 32% on the route-weighted index since 1969.
+32%Since 1969
77Routes In Region
57Years
Notable Signals
No notable trend signals for Philadelphia Vireo in Atlantic Northern Forest. See the full index history below.
Forecast
If the recent trend holds, Philadelphia Vireo in Atlantic Northern Forest is projected to stay roughly flat through 2029, near 0.23 (95% range 0.07–0.40). A 5-year backtest shows a typical error of ±434.7%, with 60% of held-out values landing inside the 95% band.
n/aChange by 2029
0.23Projected 2029 index
0.07–0.4095% range
±434.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.22 | 0.06 | 0.39 |
| 2026 | 0.22 | 0.06 | 0.39 |
| 2027 | 0.23 | 0.06 | 0.39 |
| 2028 | 0.23 | 0.07 | 0.39 |
| 2029 | 0.23 | 0.07 | 0.40 |
Routes In Atlantic Northern Forest
| Ashland | MAINE | 11 | 2008 |
| Washburn | MAINE | 9 | 1993 |
| Bethel | MAINE | 6 | 2021 |
| Charleston | MAINE | 5 | 2019 |
| Big Twenty | MAINE | 5 | 2007 |
| Baker Lake | MAINE | 5 | 1994 |
| Northfield 2 | MAINE | 5 | 2022 |
| Heron Lake | MAINE | 5 | 2003 |
| Aurora | MAINE | 4 | 2010 |
| Clayton Lake | MAINE | 4 | 2001 |
| Moose River | MAINE | 3 | 2005 |
| Forest Sta | MAINE | 3 | 1985 |
| Inlet | NEW-YORK | 3 | 2005 |
| East Troy | MAINE | 2 | 2019 |
| Brooks | MAINE | 2 | 2018 |
| Medway | MAINE | 2 | 1994 |
| Hudson | MAINE | 2 | 2009 |
| Ludlow | MAINE | 2 | 1983 |
| Yankeetuladi | MAINE | 2 | 2009 |
| Nesowadnehun | MAINE | 2 | 2021 |
| Blue Ridge S | NEW-YORK | 2 | 1988 |
| Biddeford | MAINE | 1 | 2006 |
| Wilson Mills | MAINE | 1 | 2012 |
| Greenwood | MAINE | 1 | 2016 |
| Reeds | MAINE | 1 | 2022 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.