Species · BCR 12 · BBS 2025 Release · 1966–2024
Yellow-headed Blackbird In Boreal Hardwood Transition
Yellow-headed Blackbird in Boreal Hardwood Transition has collapsed: down 80% on the route-weighted index since 1969.
-80%Since 1969
25Routes In Region
49Years
Notable Signals
long arc declinecomputed index
Yellow-headed Blackbird has collapsed in Boreal Hardwood Transition: down 80% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Yellow-headed Blackbird in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 0.19 (95% range 0.00–0.61). A 5-year backtest shows a typical error of ±1641.1%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.19Projected 2029 index
0.00–0.6195% range
±1641.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.20 | 0.00 | 0.62 |
| 2026 | 0.20 | 0.00 | 0.62 |
| 2027 | 0.20 | 0.00 | 0.62 |
| 2028 | 0.20 | 0.00 | 0.62 |
| 2029 | 0.19 | 0.00 | 0.61 |
Routes In Boreal Hardwood Transition
| Bagley | MINNESOTA | 11 | 2002 |
| Warroad | MINNESOTA | 9 | 2016 |
| Cromwell | MINNESOTA | 4 | 1990 |
| Brainerd | MINNESOTA | 4 | 2023 |
| Wigwam Bay | MINNESOTA | 3 | 1993 |
| Mille Lacs | MINNESOTA | 3 | 1975 |
| Pine River | MINNESOTA | 2 | 1996 |
| Babbitt | MINNESOTA | 2 | 2004 |
| Tamarac Nwr | MINNESOTA | 2 | 1995 |
| Chaffey | WISCONSIN | 2 | 1977 |
| Bergland | MICHIGAN | 1 | 1988 |
| Backus | MINNESOTA | 1 | 2017 |
| Cohasset | MINNESOTA | 1 | 2004 |
| Bemidji | MINNESOTA | 1 | 1967 |
| Debs | MINNESOTA | 1 | 1999 |
| Lude | MINNESOTA | 1 | 1978 |
| Mcgregor | MINNESOTA | 1 | 2024 |
| Greenbush | MINNESOTA | 1 | 2018 |
| Nebish | MINNESOTA | 1 | 2016 |
| Minong | WISCONSIN | 1 | 1990 |
| Bayfield | WISCONSIN | 1 | 2000 |
| Union Twp | WISCONSIN | 1 | 1974 |
| Couderay | WISCONSIN | 1 | 1978 |
| Exeland | WISCONSIN | 1 | 1988 |
| Gilman | WISCONSIN | 1 | 1992 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.