BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

House Finch Population Trend in New Mexico

All statesGeneralists

House Finch in New Mexico has held roughly steady: up 3% on the route-weighted index since 1970.

+3%Since 1970TrendPercent 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 →
86Routes 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 →
56YearsYears 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 New MexicoNotable 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 New Mexico. See the full index history below.

House Finch Population Forecast in New Mexico

If the recent trend holds, House Finch in New Mexico is projected to fall about 15% by 2029 — from 8.7 in 2024 to a central estimate of 7.4 (95% range 2.7–12). A 5-year backtest shows a typical error of ±8.2%, with 100% of held-out values landing inside the 95% band.

-15%Change 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 →
7.4Projected 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 →
2.7–1295% 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 →
±8.2%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 New Mexico is projected to fall about 15% by 2029 — from 8.7 in 2024 to a central estimate of 7.4 (95% range 2.7–12). A 5-year backtest shows a typical error of ±8.2%, with 100% of held-out values landing inside the 95% band.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 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 →
20257.52.812
20267.52.812
20277.42.812
20287.42.712
20297.42.712

House Finch Survey Routes in New Mexico

Routes recording House Finch in New Mexico.
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 →
La Cienega7520221968
Mountainair5920241992
Mesilla5520001992
La Plata 24020162014
La Plata3720131990
Deming3219751968
Nageesi3020241968
Laborcita2820191992
San Antonio2619771974
Torreon2520241975
Crownpoint2319961968
Pinon2320241992
Claunch 22320242001
Jornada2220241974
Aztec2219891988
Capitan Mtn.2020171993
Laborcita 22020242022
Floyd1920241998
Columbus1820241992
Claunch1620001977
Farmington1519871975
Pecos1520171973
Valencia1419971968
Carrizozo1420241968
Mcgaffey1420231994

House Finch Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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