Species · BCR 23 · BBS 2025 Release · 1966–2024

Purple Finch In Prairie Hardwood Transition

Purple Finch in Prairie Hardwood Transition has declined: down 34% on the route-weighted index since 1968.

-34%Since 1968
44Routes In Region
58Years

Notable Signals

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

Forecast

If the recent trend holds, Purple Finch in Prairie Hardwood Transition is projected to stay roughly flat through 2029, near 0.06 (95% range 0.00–0.15). A 5-year backtest shows a typical error of ±97.4%, with 100% of held-out values landing inside the 95% band.

-3%Change by 2029
0.06Projected 2029 index
0.000.1595% range
±97.4%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
20250.060.000.16
20260.060.000.15
20270.060.000.15
20280.060.000.15
20290.060.000.15

Routes In Prairie Hardwood Transition

Routes recording Purple Finch in Prairie Hardwood Transition.
DresserWISCONSIN42012
TyreMICHIGAN31978
BismarkOHIO31987
PrincetonMINNESOTA22005
EvergreenMINNESOTA22023
MerrillWISCONSIN22024
StratfordWISCONSIN22012
Oconto FallsWISCONSIN22022
GreshamWISCONSIN22024
ScottvilleMICHIGAN12017
Big Blue LkMICHIGAN12022
Big RapidsMICHIGAN11988
CoopersvilleMICHIGAN12012
BeldingMICHIGAN12003
RemusMICHIGAN12024
No BradleyMICHIGAN12014
OlaMICHIGAN12016
JuniataMICHIGAN12010
DeckervilleMICHIGAN12004
HungerfordMICHIGAN12024
Belding 2MICHIGAN12013
Chippewa Lk.MICHIGAN12016
EdwardsMINNESOTA12016
Brook ParkMINNESOTA12007
LoraineWISCONSIN12021

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