BirdAnalyst
Species · BCR 35 · BBS 2025 Release · 1966–2024

House Finch In Chihuahuan Desert

All regionsChihuahuan DesertGeneralists

House Finch in Chihuahuan Desert has declined: down 32% on the route-weighted index since 1969.

-32%Since 1969TrendPercent 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 →
56Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Chihuahuan Desert. See the full index history below.

House Finch In Chihuahuan Desert Population Forecast

If the recent trend holds, House Finch in Chihuahuan Desert is projected to fall about 16% by 2029 — from 12 in 2024 to a central estimate of 10 (95% range 2.6–18). A 5-year backtest shows a typical error of ±12.7%, with 100% of held-out values landing inside the 95% band.

-16%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 →
10Projected 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 →
2.6–1895% 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 →
±12.7%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 Chihuahuan Desert is projected to fall about 16% by 2029 — from 12 in 2024 to a central estimate of 10 (95% range 2.6–18). A 5-year backtest shows a typical error of ±12.7%, with 100% of held-out values landing inside the 95% band.19672029
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 →
2025112.718
2026112.718
2027112.618
2028102.618
2029102.618

Routes In Chihuahuan Desert

Routes recording House Finch in Chihuahuan Desert.
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 →
MesillaNEW-MEXICO552000
Devils R CynTEXAS422024
DemingNEW-MEXICO321975
LaborcitaNEW-MEXICO282019
San AntonioNEW-MEXICO261977
Van HornTEXAS242024
PinonNEW-MEXICO232024
JornadaNEW-MEXICO222024
Bear MtnTEXAS222024
CanutilloTEXAS212024
Capitan Mtn.NEW-MEXICO202017
Laborcita 2NEW-MEXICO202024
ShafterTEXAS191985
LongfellowTEXAS192024
Delaware CrkTEXAS192015
ColumbusNEW-MEXICO182024
Salt FlatTEXAS172015
Quitman Cyn.TEXAS162009
Black GapTEXAS152023
PresidioTEXAS152023
CarrizozoNEW-MEXICO142024
GirvinTEXAS142024
RoswellNEW-MEXICO132023
Ft. StocktonTEXAS132024
GageNEW-MEXICO122024

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