Species · BCR 12 · BBS 2025 Release · 1966–2024
Barred Owl In Boreal Hardwood Transition
Barred Owl in Boreal Hardwood Transition has surged: up 118% on the route-weighted index since 1970.
+118%Since 1970
93Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Barred Owl has surged in Boreal Hardwood Transition: up 118% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Barred Owl in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 0.16 (95% range 0.01–0.31). A 5-year backtest shows a typical error of ±57.1%, with 80% of held-out values landing inside the 95% band.
-6%Change by 2029
0.16Projected 2029 index
0.01–0.3195% range
±57.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.16 | 0.01 | 0.31 |
| 2026 | 0.16 | 0.01 | 0.31 |
| 2027 | 0.16 | 0.01 | 0.31 |
| 2028 | 0.16 | 0.01 | 0.31 |
| 2029 | 0.16 | 0.01 | 0.31 |
Routes In Boreal Hardwood Transition
| Mcnaughton | WISCONSIN | 3 | 2023 |
| Flambeau | WISCONSIN | 3 | 2016 |
| Ontonagon | MICHIGAN | 2 | 2012 |
| Marenisco | MICHIGAN | 2 | 2013 |
| Ned Lake | MICHIGAN | 2 | 2023 |
| Wilson | MICHIGAN | 2 | 2008 |
| Skegemog Pt | MICHIGAN | 2 | 2013 |
| Hubbard Lake | MICHIGAN | 2 | 1995 |
| Hiawatha Nf | MICHIGAN | 2 | 2019 |
| Wigwam Bay | MINNESOTA | 2 | 1981 |
| Backus | MINNESOTA | 2 | 2024 |
| Floodwood | MINNESOTA | 2 | 2011 |
| Island Lake | MINNESOTA | 2 | 1988 |
| Mcgregor | MINNESOTA | 2 | 2023 |
| Bigfork | MINNESOTA | 2 | 2014 |
| Warroad | MINNESOTA | 2 | 2004 |
| Greenbush | MINNESOTA | 2 | 2024 |
| Bayfield | WISCONSIN | 2 | 2024 |
| Irma | WISCONSIN | 2 | 1974 |
| Popple River | WISCONSIN | 2 | 2024 |
| Crandon | WISCONSIN | 2 | 2009 |
| Amberg | WISCONSIN | 2 | 2019 |
| Washington I | WISCONSIN | 2 | 1978 |
| Bergland | MICHIGAN | 1 | 2022 |
| Bootjack | MICHIGAN | 1 | 2009 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.