Species · BCR 12 · BBS 2025 Release · 1966–2024
Philadelphia Vireo In Boreal Hardwood Transition
Philadelphia Vireo in Boreal Hardwood Transition has fallen sharply: down 56% on the route-weighted index since 1973.
-56%Since 1973
31Routes In Region
45Years
Notable Signals
No notable trend signals for Philadelphia Vireo in Boreal Hardwood Transition. See the full index history below.
Forecast
If the recent trend holds, Philadelphia Vireo in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 0.03 (95% range 0.00–0.07). A 5-year backtest shows a typical error of ±38.1%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.03Projected 2029 index
0.00–0.0795% range
±38.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.08 |
| 2026 | 0.03 | 0.00 | 0.08 |
| 2027 | 0.03 | 0.00 | 0.08 |
| 2028 | 0.03 | 0.00 | 0.08 |
| 2029 | 0.03 | 0.00 | 0.07 |
Routes In Boreal Hardwood Transition
| Ontonagon | MICHIGAN | 4 | 2019 |
| Ishpeming | MICHIGAN | 4 | 2019 |
| Crystal Fls | MICHIGAN | 3 | 1988 |
| Bergland | MICHIGAN | 2 | 2022 |
| Imp Lake | MICHIGAN | 2 | 2012 |
| Hovland | MINNESOTA | 2 | 1998 |
| Jordan | MINNESOTA | 2 | 2012 |
| Herman | MICHIGAN | 1 | 2013 |
| Cunard | MICHIGAN | 1 | 2016 |
| Lake City | MICHIGAN | 1 | 2001 |
| Pickford | MICHIGAN | 1 | 2011 |
| Hiawatha Nf | MICHIGAN | 1 | 1994 |
| Sidnaw | MICHIGAN | 1 | 2013 |
| Cluster Lakes | MICHIGAN | 1 | 2007 |
| Cromwell | MINNESOTA | 1 | 1979 |
| Mille Lacs | MINNESOTA | 1 | 2010 |
| Lockport | MINNESOTA | 1 | 2010 |
| Hart Lake | MINNESOTA | 1 | 2002 |
| Floodwood | MINNESOTA | 1 | 1972 |
| Cohasset | MINNESOTA | 1 | 1994 |
| Crane Lake | MINNESOTA | 1 | 2024 |
| Lude | MINNESOTA | 1 | 2013 |
| Mcgregor | MINNESOTA | 1 | 2004 |
| Sawbill Camp | MINNESOTA | 1 | 2011 |
| Bigfork | MINNESOTA | 1 | 1994 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.