BirdAnalyst
Species · BCR 24 · BBS 2026 Release · 1966–2025

House Finch In Central Hardwoods

All regionsCentral HardwoodsGeneralists

House Finch in Central Hardwoods has surged: up 243× on the route-weighted index since 1985.

243×Since 1985TrendPercent 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 →
142Routes 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 →
42YearsYears 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 Central Hardwoods. See the full index history below.

House Finch In Central Hardwoods Population Forecast

If the recent trend holds, House Finch in Central Hardwoods is projected to rise about 19% by 2030 — from 2.6 in 2025 to a central estimate of 3.1 (95% range 1.5–4.8). A 5-year backtest shows a typical error of ±9.4%, with 100% of held-out values landing inside the 95% band.

+19%Change by 2030TrendPercent 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 →
3.1Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.5–4.895% 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 →
±9.4%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 Central Hardwoods is projected to rise about 19% by 2030 — from 2.6 in 2025 to a central estimate of 3.1 (95% range 1.5–4.8). A 5-year backtest shows a typical error of ±9.4%, with 100% of held-out values landing inside the 95% band.19812030
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 →
20263.01.34.6
20273.01.44.6
20283.01.44.7
20293.11.54.7
20303.11.54.8

Routes In Central Hardwoods

Routes recording House Finch in Central Hardwoods.
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 →
EvansvilleINDIANA272019
CampbellsvilleTENNESSEE252019
AvocaARKANSAS182024
BelknapILLINOIS152025
McbrayerKENTUCKY142025
PetersburgTENNESSEE142019
Carter GroveALABAMA132023
CollinwoodTENNESSEE132025
SwaimALABAMA102025
ElkmontALABAMA92025
SpencerINDIANA92024
CelestineINDIANA92025
New PhilaINDIANA92025
Indian Mound 2TENNESSEE92023
RussellARKANSAS82021
WashingtonINDIANA82025
NewberryINDIANA82025
CyprssINDIANA82025
EastviewKENTUCKY82025
Bays ForkKENTUCKY82019
BremenILLINOIS72025
AzaliaINDIANA72025
MillersburgINDIANA72024
Indian SpgsINDIANA72025
Iron BridgeKENTUCKY71998

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.