BirdAnalyst
Species · BCR 12 · BBS 2025 Release · 1966–2024

Golden-winged Warbler In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionForest birds

Golden-winged Warbler in Boreal Hardwood Transition has surged: up 130% on the route-weighted index since 1968.

+130%Since 1968
104Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Golden-winged Warbler has surged in Boreal Hardwood Transition: up 130% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Golden-winged Warbler in Boreal Hardwood Transition is projected to fall about 16% by 2029 — from 2.0 in 2024 to a central estimate of 1.6 (95% range 0.84–2.5). A 5-year backtest shows a typical error of ±23.1%, with 100% of held-out values landing inside the 95% band.

-16%Change by 2029
1.6Projected 2029 index
0.84–2.595% range
±23.1%Backtest error
19662029
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
20251.60.802.4
20261.60.812.4
20271.60.822.4
20281.60.832.4
20291.60.842.5

Routes In Boreal Hardwood Transition

Routes recording Golden-winged Warbler in Boreal Hardwood Transition.
Weirgor SpringsWISCONSIN322024
McgregorMINNESOTA172024
NebishMINNESOTA142023
Sherry LakeMINNESOTA132022
Tamarac NwrMINNESOTA102024
ChisholmMINNESOTA92024
Wigwam BayMINNESOTA82023
FlambeauWISCONSIN72024
CromwellMINNESOTA62024
Nett LakeMINNESOTA52024
BackusMINNESOTA42024
Grand ViewWISCONSIN42024
GilmanWISCONSIN42024
McnaughtonWISCONSIN42024
AmbergWISCONSIN42024
Crystal FlsMICHIGAN32024
CohassetMINNESOTA32022
MahtowaMINNESOTA32023
Cass LakeMINNESOTA32016
ExelandWISCONSIN32024
Maple GroveMICHIGAN22023
ShingletonMICHIGAN21985
IronsMICHIGAN21986
Walloon LakeMICHIGAN21993
FredericMICHIGAN21993

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