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

Wood Duck In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionWaterfowl

Wood Duck in Boreal Hardwood Transition has surged: up 151% on the route-weighted index since 1968.

+151%Since 1968
95Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Wood Duck has surged in Boreal Hardwood Transition: up 151% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Wood Duck in Boreal Hardwood Transition is projected to rise about 61% by 2029 — from 0.29 in 2024 to a central estimate of 0.47 (95% range 0.16–0.79). A 5-year backtest shows a typical error of ±52.2%, with 100% of held-out values landing inside the 95% band.

+61%Change by 2029
0.47Projected 2029 index
0.16–0.7995% range
±52.2%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
20250.460.150.78
20260.460.150.78
20270.470.150.78
20280.470.160.78
20290.470.160.79

Routes In Boreal Hardwood Transition

Routes recording Wood Duck in Boreal Hardwood Transition.
Imp LakeMICHIGAN82016
BlackduckMINNESOTA72022
Tamarac NwrMINNESOTA72023
Seney NwrMICHIGAN62024
BemidjiMINNESOTA61980
NebishMINNESOTA62023
IronsMICHIGAN51989
Walloon Lake 2MICHIGAN52010
Grand ViewWISCONSIN52024
WilsonMICHIGAN41993
Skegemog PtMICHIGAN42024
Hubbard LakeMICHIGAN41995
MayfieldMICHIGAN42021
TahquamenonMICHIGAN32021
Crane LakeMINNESOTA32016
HollisterWISCONSIN32011
BerglandMICHIGAN21990
Maple GroveMICHIGAN21997
IshpemingMICHIGAN21991
CreightonMICHIGAN22016
PickfordMICHIGAN22024
FredericMICHIGAN21981
Mille LacsMINNESOTA22018
MahtowaMINNESOTA22016
JordanMINNESOTA22017

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