BirdAnalyst
Species · BCR 21 · BBS 2025 Release · 1966–2024

House Finch In Oaks and Prairies

All regionsOaks and PrairiesGeneralists

House Finch in Oaks and Prairies has surged: up 19× on the route-weighted index since 1969.

19×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 →
54Routes 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 →
51YearsYears 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

House Finch has surged in Oaks and Prairies: up 19× on the route-weighted index since 1969.

House Finch In Oaks and Prairies Population Forecast

If the recent trend holds, House Finch in Oaks and Prairies is projected to fall about 32% by 2029 — from 1.9 in 2024 to a central estimate of 1.3 (95% range 0.82–1.7). A 5-year backtest shows a typical error of ±18%, with 80% of held-out values landing inside the 95% band.

-32%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 →
1.3Projected 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 →
0.82–1.795% 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 →
±18%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 Oaks and Prairies is projected to fall about 32% by 2029 — from 1.9 in 2024 to a central estimate of 1.3 (95% range 0.82–1.7). A 5-year backtest shows a typical error of ±18%, with 80% 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 →
20251.20.731.6
20261.20.761.6
20271.20.781.6
20281.20.801.7
20291.30.821.7

Routes In Oaks and Prairies

Routes recording House Finch in Oaks and Prairies.
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 →
DallasTEXAS152024
KosseTEXAS142014
WeatherfordTEXAS92024
RhomeTEXAS92024
Wills PointTEXAS92023
BonnerTEXAS82024
Three RiversTEXAS72024
Lone OakTEXAS52022
SeldenTEXAS52024
CarlosTEXAS42024
MegargelTEXAS42024
NobleOKLAHOMA32021
LockhartTEXAS32024
Miller GroveTEXAS32024
DikeTEXAS32024
HearneTEXAS32024
BurtonTEXAS32024
DuncanOKLAHOMA22008
SkiatookOKLAHOMA22018
HobsonTEXAS22023
CampbelltonTEXAS22018
MuldoonTEXAS22010
Massey LakeTEXAS22024
OlaTEXAS22023
Glen RoseTEXAS22023

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