BirdAnalyst
Species · BCR 24 · BBS 2025 Release · 1966–2024

House Finch In Central Hardwoods

All regionsCentral HardwoodsGeneralists

House Finch in Central Hardwoods has surged: up 253× on the route-weighted index since 1985.

253×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 →
141Routes 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 →
41YearsYears 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 Central Hardwoods: up 253× on the route-weighted index since 1985.

House Finch In Central Hardwoods Population Forecast

If the recent trend holds, House Finch in Central Hardwoods is projected to stay roughly flat through 2029, near 3.1 (95% range 1.5–4.8). A 5-year backtest shows a typical error of ±9.7%, with 100% of held-out values landing inside the 95% band.

+2%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 →
3.1Projected 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 →
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 →
±9.7%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 Central Hardwoods is projected to stay roughly flat through 2029, near 3.1 (95% range 1.5–4.8). A 5-year backtest shows a typical error of ±9.7%, with 100% of held-out values landing inside the 95% band.19812029
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 →
20252.91.34.6
20263.01.44.6
20273.01.44.7
20283.11.44.7
20293.11.54.8

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
CollinwoodTENNESSEE202024
AvocaARKANSAS182024
CelestineINDIANA162024
Doe RunMISSOURI152024
PetersburgTENNESSEE142019
Carter GroveALABAMA132023
New PhilaINDIANA132024
EugeneMISSOURI112024
WashingtonINDIANA102024
SpencerINDIANA92024
CyprssINDIANA92024
MincyMISSOURI92024
Indian Mound 2TENNESSEE92023
RussellARKANSAS82021
Indian SpgsINDIANA82024
PlumKENTUCKY82024
Bays ForkKENTUCKY82019
BelknapILLINOIS72024
MillersburgINDIANA72024
Iron BridgeKENTUCKY71998
HegiraKENTUCKY72024
Kings MtnKENTUCKY72024
JohnsonvilleKENTUCKY72021

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