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

House Finch Population Trend in North Dakota

All statesGeneralists

House Finch in North Dakota has declined: down 30% on the route-weighted index since 1996.

-30%Since 1996TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
26Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
29YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable House Finch Trends in North DakotaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for House Finch in North Dakota. See the full index history below.

House Finch Population Forecast in North Dakota

If the recent trend holds, House Finch in North Dakota is projected to stay roughly flat through 2029, near 0.09 (95% range 0.00–0.42). A 5-year backtest shows a typical error of ±93.1%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.09Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.4295% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±93.1%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, House Finch in North Dakota is projected to stay roughly flat through 2029, near 0.09 (95% range 0.00–0.42). A 5-year backtest shows a typical error of ±93.1%, with 100% of held-out values landing inside the 95% band.19932029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20250.120.000.45
20260.110.000.45
20270.100.000.44
20280.100.000.43
20290.090.000.42

House Finch Survey Routes in North Dakota

Routes recording House Finch in North Dakota.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Abercrombie 2720162013
Walcott520231999
Abercrombie520121995
Dunn Center419971997
Nash320041993
Bowman320221996
Zap320112011
Emerado220002000
Carpio220191996
Edgeley120001998
Danzig120142014
Cooperstown120221999
Wimbledon120211997
Horsehead Lk120042004
Webster120082008
Rolla120031999
Regan120182018
Ft Yates119981998
Loraine119951995
Gorham120162016
Cedar Creek119961996
Powers Lake120022002
Braddock120062006
Turtle Mtns120072005
Montpelier120231995

House Finch Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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