BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

House Finch In Sierra Nevada

All regionsSierra NevadaGeneralists

House Finch in Sierra Nevada has fallen sharply: down 71% on the route-weighted index since 1970.

-71%Since 1970
26Routes In Region
56Years

Notable Signals

long arc declinecomputed index

House Finch has fallen sharply in Sierra Nevada: down 71% on the route-weighted index since 1970.

Forecast

If the recent trend holds, House Finch in Sierra Nevada is projected to fall about 68% by 2029 — from 2.9 in 2024 to a central estimate of 0.92 (95% range 0.00–4.4). A 5-year backtest shows a typical error of ±54.1%, with 100% of held-out values landing inside the 95% band.

-68%Change by 2029
0.92Projected 2029 index
0.00–4.495% range
±54.1%Backtest error
19682029
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
20251.10.004.6
20261.10.004.6
20271.00.004.5
20280.970.004.5
20290.920.004.4

Routes In Sierra Nevada

Routes recording House Finch in Sierra Nevada.
Higgins CornCALIFORNIA442024
Silver CityCALIFORNIA252013
KernvilleCALIFORNIA162008
Bass LakeCALIFORNIA132019
Greenhorn MtCALIFORNIA82008
CoultervilleCALIFORNIA82017
WoodfordsCALIFORNIA52024
PaxtonCALIFORNIA52012
ChilcootCALIFORNIA52023
Lassen ParkCALIFORNIA41980
Kings CanyonCALIFORNIA41990
Pine MountainCALIFORNIA42017
Eagle LakeCALIFORNIA21980
SattleyCALIFORNIA22024
LakeshoreCALIFORNIA22024
WawonaCALIFORNIA22024
Cottage SpgsCALIFORNIA11974
DardanelleCALIFORNIA11994
Tuolumne GroveCALIFORNIA11984
GeneseeCALIFORNIA12023
DownievilleCALIFORNIA12019
RivertonCALIFORNIA12015
Forest HillCALIFORNIA12022
Pollock PinesCALIFORNIA12023
CrestviewCALIFORNIA12022

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