Species · BCR 28 · BBS 2025 Release · 1966–2024

House Finch In Appalachian Mountains

House Finch in Appalachian Mountains has surged: up 108× on the route-weighted index since 1971.

108×Since 1971
341Routes In Region
55Years

Notable Signals

long arc increasecomputed index

House Finch has surged in Appalachian Mountains: up 108× on the route-weighted index since 1971.

Forecast

If the recent trend holds, House Finch in Appalachian Mountains is projected to rise about 36% by 2029 — from 4.6 in 2024 to a central estimate of 6.3 (95% range 0.52–12). A 5-year backtest shows a typical error of ±66.4%, with 100% of held-out values landing inside the 95% band.

+36%Change by 2029
6.3Projected 2029 index
0.521295% range
±66.4%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
20256.00.2912
20266.10.3512
20276.10.4112
20286.20.4712
20296.30.5212

Routes In Appalachian Mountains

Routes recording House Finch in Appalachian Mountains.
RydePENNSYLVANIA562005
BirminghamALABAMA521995
WilliamsportMARYLAND492024
LovellTENNESSEE482019
MiddletownPENNSYLVANIA472024
QuakertownPENNSYLVANIA391989
Corryton RdTENNESSEE392019
Mt OliveTENNESSEE382024
HopeNEW-JERSEY301994
DoverNEW-JERSEY282023
Drehersville 2PENNSYLVANIA282024
Sleepy CreekWEST-VIRGINIA281990
Kemah LakeNEW-JERSEY272024
ScheafferstnPENNSYLVANIA252001
MillvillePENNSYLVANIA242024
BlacksburgVIRGINIA222024
BerwickPENNSYLVANIA212024
SmithfieldOHIO202024
RamseyPENNSYLVANIA202023
Brunnerville 2PENNSYLVANIA202024
StoneybreakPENNSYLVANIA202024
ParadiseWEST-VIRGINIA192023
ChoccoloccoALABAMA182024
PortersvillePENNSYLVANIA171988
RuthbelleWEST-VIRGINIA172024

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