BirdAnalyst
Species · BCR 29 · BBS 2025 Release · 1966–2024

House Finch In Piedmont

All regionsPiedmontGeneralists

House Finch in Piedmont has surged: up 74× on the route-weighted index since 1977.

74×Since 1977
162Routes In Region
49Years

Notable Signals

long arc increasecomputed index

House Finch has surged in Piedmont: up 74× on the route-weighted index since 1977.

Forecast

If the recent trend holds, House Finch in Piedmont is projected to rise about 36% by 2029 — from 11 in 2024 to a central estimate of 15 (95% range 4.9–25). A 5-year backtest shows a typical error of ±56.9%, with 100% of held-out values landing inside the 95% band.

+36%Change by 2029
15Projected 2029 index
4.9–2595% range
±56.9%Backtest error
19692029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
2025144.224
2026144.424
2027144.524
2028154.725
2029154.925

Routes In Piedmont

Routes recording House Finch in Piedmont.
West GrovePENNSYLVANIA611996
GatchelvillePENNSYLVANIA541990
Silver SpgMARYLAND531989
OlneyMARYLAND442024
EkloMARYLAND432018
AkronPENNSYLVANIA411997
EarltonMARYLAND402024
Good HopeGEORGIA392024
Barton CreekSOUTH-CAROLINA372022
IjamsvilleMARYLAND342024
MadonnaMARYLAND342022
AspersPENNSYLVANIA341989
Mt GretnaPENNSYLVANIA322000
LeolaPENNSYLVANIA322024
Mt Gretna 2PENNSYLVANIA302022
JacobusPENNSYLVANIA302024
StockbridgeGEORGIA292023
PottstownPENNSYLVANIA291987
ClimaxNORTH-CAROLINA282024
HiramGEORGIA262018
WoodstockGEORGIA262021
Pleasant ValMARYLAND262024
WheatonMARYLAND262024
LabottPENNSYLVANIA261983
CandlerGEORGIA252024

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