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
0.000.6195% range
±1641.1%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.200.000.62
20260.200.000.62
20270.200.000.62
20280.200.000.62
20290.190.000.61

Routes In Boreal Hardwood Transition

Routes recording Yellow-headed Blackbird in Boreal Hardwood Transition.
BagleyMINNESOTA112002
WarroadMINNESOTA92016
CromwellMINNESOTA41990
BrainerdMINNESOTA42023
Wigwam BayMINNESOTA31993
Mille LacsMINNESOTA31975
Pine RiverMINNESOTA21996
BabbittMINNESOTA22004
Tamarac NwrMINNESOTA21995
ChaffeyWISCONSIN21977
BerglandMICHIGAN11988
BackusMINNESOTA12017
CohassetMINNESOTA12004
BemidjiMINNESOTA11967
DebsMINNESOTA11999
LudeMINNESOTA11978
McgregorMINNESOTA12024
GreenbushMINNESOTA12018
NebishMINNESOTA12016
MinongWISCONSIN11990
BayfieldWISCONSIN12000
Union TwpWISCONSIN11974
CouderayWISCONSIN11978
ExelandWISCONSIN11988
GilmanWISCONSIN11992

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.