BirdAnalyst
Species · Michigan · BBS 2025 Release · 1966–2024

Pine Siskin Population Trend in Michigan

All statesGeneralists

Pine Siskin in Michigan has collapsed: down 85% on the route-weighted index since 1971.

-85%Since 1971
38Routes In State
43Years

Notable Pine Siskin Trends in Michigan

long arc declinecomputed index

Pine Siskin has collapsed in Michigan: down 85% on the route-weighted index since 1971.

Pine Siskin Population Forecast in Michigan

If the recent trend holds, Pine Siskin in Michigan is projected to rise about 36% by 2029 — from 0.13 in 2024 to a central estimate of 0.17 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±255.1%, with 100% of held-out values landing inside the 95% band.

+36%Change by 2029
0.17Projected 2029 index
0.00–1.195% range
±255.1%Backtest error
19682029
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
20250.200.001.1
20260.190.001.1
20270.180.001.1
20280.180.001.1
20290.170.001.1

Pine Siskin Survey Routes in Michigan

Routes recording Pine Siskin in Michigan.
Pickford919931993
Harrietta819901990
Creighton520031985
Herman420151983
Bootjack320091968
Crystal Fls320221988
Imp Lake320191999
Muskallonge320241968
Beaver Lake319791979
Ontonagon220191972
Marenisco220191988
Ishpeming220191981
Wilson219971988
Seney Nwr219931993
Tahquamenon220241979
Ensign220092007
Skegemog Pt220092009
Frederic219871987
Sand Lake219991979
Hubbard Lake219881988
Bergland120181985
Ned Lake120231987
Gibbs City119961979
Maple Grove120111969
Brocky Lake120191987

Pine Siskin Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutidahoiowamainemarylandmassachusettsminnesotamontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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