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

Purple Finch In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionGeneralists

Purple Finch in Boreal Hardwood Transition has declined: down 30% on the route-weighted index since 1968.

-30%Since 1968
124Routes In Region
58Years

Notable Signals

No notable trend signals for Purple Finch in Boreal Hardwood Transition. See the full index history below.

Forecast

If the recent trend holds, Purple Finch in Boreal Hardwood Transition is projected to fall about 19% by 2029 — from 1.7 in 2024 to a central estimate of 1.4 (95% range 0.48–2.3). A 5-year backtest shows a typical error of ±12.3%, with 100% of held-out values landing inside the 95% band.

-19%Change by 2029
1.4Projected 2029 index
0.48–2.395% range
±12.3%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
20251.50.552.4
20261.40.532.4
20271.40.512.3
20281.40.502.3
20291.40.482.3

Routes In Boreal Hardwood Transition

Routes recording Purple Finch in Boreal Hardwood Transition.
BemidjiMINNESOTA141980
LockportMINNESOTA92024
Land O LakesWISCONSIN72016
MuskallongeMICHIGAN62024
RiggsvilleMICHIGAN62019
JordanMINNESOTA62023
HermanMICHIGAN52015
Walloon LakeMICHIGAN52004
Hart LakeMINNESOTA52024
Iron RiverWISCONSIN52024
Eagle RiverWISCONSIN52024
WausaukeeWISCONSIN52024
Washington IWISCONSIN52024
Pleasant Valley 2MICHIGAN42024
Walloon Lake 2MICHIGAN42010
SidnawMICHIGAN42024
HovlandMINNESOTA42024
Sawbill LndgMINNESOTA42024
Sawbill CampMINNESOTA42024
IrmaWISCONSIN42024
RhinelanderWISCONSIN42022
CavourWISCONSIN42023
WilsonMICHIGAN32010
ShingletonMICHIGAN32024
Red OakMICHIGAN32012

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