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Species · BCR 26 · BBS 2025 Release · 1966–2024

House Finch In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyGeneralists

House Finch in Mississippi Alluvial Valley has surged: up 327% on the route-weighted index since 1992.

+327%Since 1992TrendPercent 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 →
42Routes 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 →
34YearsYears 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 Mississippi Alluvial Valley: up 327% on the route-weighted index since 1992.

House Finch In Mississippi Alluvial Valley Population Forecast

If the recent trend holds, House Finch in Mississippi Alluvial Valley is projected to fall about 17% by 2029 — from 1.7 in 2024 to a central estimate of 1.4 (95% range 0.55–2.2). A 5-year backtest shows a typical error of ±23.1%, with 100% of held-out values landing inside the 95% band.

-17%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 →
1.4Projected 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 →
0.55–2.295% 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 →
±23.1%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 Mississippi Alluvial Valley is projected to fall about 17% by 2029 — from 1.7 in 2024 to a central estimate of 1.4 (95% range 0.55–2.2). A 5-year backtest shows a typical error of ±23.1%, with 100% of held-out values landing inside the 95% band.19902029
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 →
20251.30.482.2
20261.30.502.2
20271.40.512.2
20281.40.532.2
20291.40.552.2

Routes In Mississippi Alluvial Valley

Routes recording House Finch in Mississippi Alluvial Valley.
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 →
Tchula 3MISSISSIPPI182016
Cp GirardeauMISSOURI182024
KeystoneLOUISIANA152008
Baton RougeLOUISIANA152024
South BendARKANSAS121991
Pawpaw 2TENNESSEE82023
WilsonARKANSAS72024
ConcordLOUISIANA52019
RoselandLOUISIANA42024
MayflowerLOUISIANA42022
BelairLOUISIANA42019
DeventerMISSOURI42023
Hickory RidgeARKANSAS32010
EnglandARKANSAS32024
BlodgettMISSOURI32024
HughesARKANSAS22019
HarrisburgARKANSAS22009
DellARKANSAS22024
DelhiLOUISIANA22017
IsolaMISSISSIPPI22000
WintervilleMISSISSIPPI22009
ShelbyMISSISSIPPI22021
Warren VickMISSISSIPPI22019
KennettMISSOURI22024
TiptonvilleTENNESSEE22023

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