BirdAnalyst
Species · BCR 27 · BBS 2025 Release · 1966–2024

House Finch In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainGeneralists

House Finch in Southeastern Coastal Plain has surged: up 350× on the route-weighted index since 1986.

350×Since 1986TrendPercent 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 →
261Routes 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 →
40YearsYears 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 Southeastern Coastal Plain: up 350× on the route-weighted index since 1986.

House Finch In Southeastern Coastal Plain Population Forecast

If the recent trend holds, House Finch in Southeastern Coastal Plain is projected to stay roughly flat through 2029, near 4.6 (95% range 3.3–6.0). A 5-year backtest shows a typical error of ±17.4%, with 100% of held-out values landing inside the 95% band.

+4%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 →
4.6Projected 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 →
3.3–6.095% 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 →
±17.4%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 Southeastern Coastal Plain is projected to stay roughly flat through 2029, near 4.6 (95% range 3.3–6.0). A 5-year backtest shows a typical error of ±17.4%, 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 →
20254.32.95.6
20264.43.05.7
20274.53.15.8
20284.53.25.9
20294.63.36.0

Routes In Southeastern Coastal Plain

Routes recording House Finch in Southeastern Coastal Plain.
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 →
Myrtle GroveNORTH-CAROLINA342024
JarvisburgNORTH-CAROLINA291999
LakeviewGEORGIA272024
NewtonALABAMA262024
GrangeburgALABAMA252024
UnionGEORGIA252023
Big SandyTENNESSEE252024
HendersonGEORGIA222024
BrundidgeALABAMA212021
Cypress LakesNORTH-CAROLINA212024
ShilohGEORGIA202024
FitzgeraldGEORGIA192024
OwensboroGEORGIA182024
PungoVIRGINIA182024
Jarvisburg 2NORTH-CAROLINA172022
ElbertaALABAMA162022
Old TrapNORTH-CAROLINA162024
Alabama Pt 2ALABAMA152019
EufaulaALABAMA152024
Ft Waltn BchFLORIDA152011
CokesburyNORTH-CAROLINA152024
TupeloMISSISSIPPI142022
Alabama PtALABAMA132003
LovedaleFLORIDA132011
JamesvilleNORTH-CAROLINA132024

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