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

Ring-necked Duck In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionWaterfowl

Ring-necked Duck in Boreal Hardwood Transition has surged: up 200% on the route-weighted index since 1970.

+200%Since 1970
47Routes In Region
49Years

Notable Signals

long arc increasecomputed index

Ring-necked Duck has surged in Boreal Hardwood Transition: up 200% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Ring-necked Duck in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 0.23 (95% range 0.05–0.42). A 5-year backtest shows a typical error of ±71.9%, with 100% of held-out values landing inside the 95% band.

+2%Change by 2029
0.23Projected 2029 index
0.05–0.4295% range
±71.9%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
20250.220.040.40
20260.220.040.41
20270.230.040.41
20280.230.040.41
20290.230.050.42

Routes In Boreal Hardwood Transition

Routes recording Ring-necked Duck in Boreal Hardwood Transition.
Seney NwrMICHIGAN112023
Gibbs CityMICHIGAN102018
BlackduckMINNESOTA102022
GilmanWISCONSIN62024
Pine RiverMINNESOTA52024
LudeMINNESOTA52002
BackusMINNESOTA42001
DebsMINNESOTA41972
MuskallongeMICHIGAN32015
Sawbill LndgMINNESOTA32016
Hart LakeMINNESOTA32022
Sawbill CampMINNESOTA32024
Cass LakeMINNESOTA32016
NebishMINNESOTA32023
IshpemingMICHIGAN22019
Bear LakeMICHIGAN21996
Crane LakeMINNESOTA22022
BrainerdMINNESOTA22008
BabbittMINNESOTA22002
Union TwpWISCONSIN22017
Rib LakeWISCONSIN21999
AmbergWISCONSIN22004
HermanMICHIGAN11990
Crystal FlsMICHIGAN12023
ShingletonMICHIGAN11994

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