BirdAnalyst
Species · North Dakota · BBS 2025 Release · 1966–2024

Pine Siskin Population Trend in North Dakota

All statesGeneralists

Pine Siskin in North Dakota has surged: up 118% on the route-weighted index since 1973.

+118%Since 1973
20Routes In State
27Years

Notable Pine Siskin Trends in North Dakota

long arc increasecomputed index

Pine Siskin has surged in North Dakota: up 117% on the route-weighted index since 1973.

Pine Siskin Population Forecast in North Dakota

If the recent trend holds, Pine Siskin in North Dakota is projected to fall about 75% by 2029 — from 0.52 in 2024 to a central estimate of 0.13 (95% range 0.00–0.34). A 5-year backtest shows a typical error of ±158.3%, with 80% of held-out values landing inside the 95% band.

-75%Change by 2029
0.13Projected 2029 index
0.00–0.3495% range
±158.3%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
20250.130.000.34
20260.130.000.34
20270.130.000.34
20280.130.000.34
20290.130.000.34

Pine Siskin Survey Routes in North Dakota

Routes recording Pine Siskin in North Dakota.
Turtle Mtns620241981
Denbigh320241968
Danzig 2320242024
Edgeley219891989
Buchanan219821982
Bowesmont219681968
Nash219851984
Rolla219961995
Carpio219981984
Loraine219901986
Abercrombie220091970
Walcott120142014
Danzig119921992
Emerado120081983
Cooperstown120242024
Horsehead Lk120161981
Zap119881988
Roosevelt Pk119991999
Parshall119981985
Douglas Crk120242024

Pine Siskin Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutidahoiowamainemarylandmassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-carolinaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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