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

Brown Creeper In Boreal Hardwood Transition

Brown Creeper in Boreal Hardwood Transition has surged: up 418% on the route-weighted index since 1969.

+418%Since 1969
98Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Brown Creeper has surged in Boreal Hardwood Transition: up 418% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Brown Creeper in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 0.67 (95% range 0.46–0.89). A 5-year backtest shows a typical error of ±47.9%, with 60% of held-out values landing inside the 95% band.

+5%Change by 2029
0.67Projected 2029 index
0.460.8995% range
±47.9%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
20250.630.420.84
20260.640.430.85
20270.650.440.86
20280.660.450.88
20290.670.460.89

Routes In Boreal Hardwood Transition

Routes recording Brown Creeper in Boreal Hardwood Transition.
HarriettaMICHIGAN52024
Sawbill LndgMINNESOTA52024
Land O' Lakes 2WISCONSIN52024
MareniscoMICHIGAN42019
Imp LakeMICHIGAN42019
EnsignMICHIGAN42009
BlackduckMINNESOTA42022
ChisholmMINNESOTA42024
Land O LakesWISCONSIN42016
GooseneckMICHIGAN32010
Nett LakeMINNESOTA32016
BerglandMICHIGAN22022
HermanMICHIGAN22015
Crystal FlsMICHIGAN22022
IshpemingMICHIGAN22019
GilchristMICHIGAN22017
SkeelsMICHIGAN21992
Isabella 2MICHIGAN22024
Pleasant Valley 2MICHIGAN22023
Walloon Lake 2MICHIGAN22024
Hiawatha NfMICHIGAN22024
Seney NwrMICHIGAN22019
SidnawMICHIGAN22023
Big Island LakeMICHIGAN22010
CromwellMINNESOTA22024

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