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

Northern House Wren In Boreal Hardwood Transition

Northern House Wren in Boreal Hardwood Transition has edged down: down 11% on the route-weighted index since 1968.

-11%Since 1968
116Routes In Region
58Years

Notable Signals

No notable trend signals for Northern House Wren in Boreal Hardwood Transition. See the full index history below.

Forecast

If the recent trend holds, Northern House Wren in Boreal Hardwood Transition is projected to fall about 38% by 2029 — from 4.1 in 2024 to a central estimate of 2.5 (95% range 1.2–3.8). A 5-year backtest shows a typical error of ±35.3%, with 40% of held-out values landing inside the 95% band.

-38%Change by 2029
2.5Projected 2029 index
1.23.895% range
±35.3%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
20252.61.33.9
20262.61.33.9
20272.61.23.9
20282.51.23.9
20292.51.23.8

Routes In Boreal Hardwood Transition

Routes recording Northern House Wren in Boreal Hardwood Transition.
GreenbushMINNESOTA282024
LudeMINNESOTA222023
Washington IWISCONSIN222024
Wigwam BayMINNESOTA152023
Lake CityMICHIGAN142022
BrainerdMINNESOTA142024
GilmanWISCONSIN142024
WausaukeeWISCONSIN142024
HarriettaMICHIGAN132024
DebsMINNESOTA132024
Maple GroveMICHIGAN112024
Crystal FlsMICHIGAN102024
BemidjiMINNESOTA101980
Iron RiverWISCONSIN102024
RiggsvilleMICHIGAN92019
WilsonMICHIGAN72010
Sand LakeMICHIGAN72024
Pine RiverMINNESOTA72024
BayfieldWISCONSIN72024
Rib LakeWISCONSIN72024
IrmaWISCONSIN72024
Amnicon FallsWISCONSIN72024
IshpemingMICHIGAN62023
CunardMICHIGAN62021
Bear LakeMICHIGAN62024

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