Species · BCR 12 · BBS 2025 Release · 1966–2024
Osprey In Boreal Hardwood Transition
Osprey in Boreal Hardwood Transition has edged up: up 14% on the route-weighted index since 1969.
+14%Since 1969
58Routes In Region
53Years
Notable Signals
No notable trend signals for Osprey in Boreal Hardwood Transition. See the full index history below.
Forecast
If the recent trend holds, Osprey in Boreal Hardwood Transition is projected to rise about 138% by 2029 — from 0.05 in 2024 to a central estimate of 0.13 (95% range 0.02–0.23). A 5-year backtest shows a typical error of ±57.2%, with 100% of held-out values landing inside the 95% band.
+138%Change by 2029
0.13Projected 2029 index
0.02–0.2395% range
±57.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.12 | 0.02 | 0.22 |
| 2026 | 0.12 | 0.02 | 0.22 |
| 2027 | 0.12 | 0.02 | 0.23 |
| 2028 | 0.13 | 0.02 | 0.23 |
| 2029 | 0.13 | 0.02 | 0.23 |
Routes In Boreal Hardwood Transition
| Gilchrist | MICHIGAN | 3 | 2000 |
| Bemidji | MINNESOTA | 3 | 1968 |
| Gilman | WISCONSIN | 3 | 1992 |
| Brocky Lake | MICHIGAN | 2 | 2010 |
| Wigwam Bay | MINNESOTA | 2 | 2015 |
| Mahtowa | MINNESOTA | 2 | 2011 |
| Nebish | MINNESOTA | 2 | 2023 |
| Couderay | WISCONSIN | 2 | 2019 |
| Flambeau | WISCONSIN | 2 | 2023 |
| Bergland | MICHIGAN | 1 | 1990 |
| Ishpeming | MICHIGAN | 1 | 1985 |
| Muskallonge | MICHIGAN | 1 | 2018 |
| Tahquamenon | MICHIGAN | 1 | 1995 |
| Lake City | MICHIGAN | 1 | 2010 |
| Riggsville | MICHIGAN | 1 | 1991 |
| Skeels | MICHIGAN | 1 | 1981 |
| Sand Lake | MICHIGAN | 1 | 1994 |
| Imp Lake | MICHIGAN | 1 | 1992 |
| Seney Nwr | MICHIGAN | 1 | 2017 |
| Cromwell | MINNESOTA | 1 | 2023 |
| Mille Lacs | MINNESOTA | 1 | 2018 |
| Backus | MINNESOTA | 1 | 1986 |
| Sawbill Lndg | MINNESOTA | 1 | 2006 |
| Hart Lake | MINNESOTA | 1 | 2009 |
| Island Lake | MINNESOTA | 1 | 1983 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.