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

Pine Siskin Population Trend in Vermont

All statesGeneralists

Pine Siskin in Vermont has fallen sharply: down 69% on the route-weighted index since 1980.

-69%Since 1980
16Routes In State
18Years

Notable Pine Siskin Trends in Vermont

long arc declinecomputed index

Pine Siskin has fallen sharply in Vermont: down 69% on the route-weighted index since 1980.

Pine Siskin Population Forecast in Vermont

If the recent trend holds, Pine Siskin in Vermont is projected to rise about 36% by 2029 — from 0.06 in 2024 to a central estimate of 0.08 (95% range 0.00–2.5). A 5-year backtest shows a typical error of ±667.3%, with 100% of held-out values landing inside the 95% band.

+36%Change by 2029
0.08Projected 2029 index
0.00–2.595% range
±667.3%Backtest error
19702029
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
20250.170.002.6
20260.150.002.6
20270.130.002.5
20280.100.002.5
20290.080.002.5

Pine Siskin Survey Routes in Vermont

Routes recording Pine Siskin in Vermont.
Greensboro2320051988
S Reading1420012001
Hardwick719851973
Gaysville320012001
Post Mills219901984
East Haven219951970
Hinesburg219731973
Grand Isle219921992
Stratton119911991
Landgrove120241987
Shaftsbury119871987
S Wallingfrd119841984
East Calais120181970
Newbury120011988
Waterville119801973
Stowe119881988

Pine Siskin Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutidahoiowamainemarylandmassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvirginiawashingtonwest-virginiawisconsinwyoming

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