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

Pine Siskin In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionGeneralists

Pine Siskin in Boreal Hardwood Transition has fallen sharply: down 55% on the route-weighted index since 1969.

-55%Since 1969
90Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Pine Siskin has fallen sharply in Boreal Hardwood Transition: down 55% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Pine Siskin in Boreal Hardwood Transition is projected to fall about 46% by 2029 — from 0.55 in 2024 to a central estimate of 0.29 (95% range 0.00–1.3). A 5-year backtest shows a typical error of ±291.1%, with 100% of held-out values landing inside the 95% band.

-46%Change by 2029
0.29Projected 2029 index
0.00–1.395% range
±291.1%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
20250.310.001.4
20260.310.001.4
20270.300.001.4
20280.300.001.4
20290.290.001.3

Routes In Boreal Hardwood Transition

Routes recording Pine Siskin in Boreal Hardwood Transition.
FloodwoodMINNESOTA581985
Little ForkMINNESOTA272024
PhillipsWISCONSIN211995
JordanMINNESOTA122023
PickfordMICHIGAN91993
HarriettaMICHIGAN81990
BlackduckMINNESOTA72018
Amnicon FallsWISCONSIN72001
BabbittMINNESOTA62000
CreightonMICHIGAN52003
CromwellMINNESOTA52000
LockportMINNESOTA52023
HermanMICHIGAN42015
RhinelanderWISCONSIN42019
BootjackMICHIGAN32009
Crystal FlsMICHIGAN32022
MuskallongeMICHIGAN32024
Beaver LakeMICHIGAN31979
Imp LakeMICHIGAN32019
Eagle RiverWISCONSIN32022
Washington IWISCONSIN32018
OntonagonMICHIGAN22019
MareniscoMICHIGAN22019
IshpemingMICHIGAN22019
WilsonMICHIGAN21997

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