BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

Purple Finch In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Purple Finch in Northern Pacific Rainforest has fallen sharply: down 66% on the route-weighted index since 1970.

-66%Since 1970
123Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Purple Finch has fallen sharply in Northern Pacific Rainforest: down 66% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Purple Finch in Northern Pacific Rainforest is projected to fall about 49% by 2029 — from 2.9 in 2024 to a central estimate of 1.5 (95% range 0.00–4.1). A 5-year backtest shows a typical error of ±44.3%, with 100% of held-out values landing inside the 95% band.

-49%Change by 2029
1.5Projected 2029 index
0.00–4.195% range
±44.3%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
20251.80.004.4
20261.70.004.3
20271.60.004.2
20281.50.004.1
20291.50.004.1

Routes In Northern Pacific Rainforest

Routes recording Purple Finch in Northern Pacific Rainforest.
IlwacoWASHINGTON172024
Warm BeachWASHINGTON162017
RainierWASHINGTON162019
South ElmaWASHINGTON142024
Vashon Is.WASHINGTON142024
Port AngelesWASHINGTON132024
Crescent CtyCALIFORNIA122024
CoquilleOREGON122024
TaholahWASHINGTON122022
HauserOREGON111985
McchordWASHINGTON112015
HoneydewCALIFORNIA102017
Friday RidgeCALIFORNIA102024
IssaquahWASHINGTON91987
CarnationWASHINGTON82024
Mendota 3WASHINGTON82024
HolmesCALIFORNIA72024
Secret ValOREGON72022
EverettWASHINGTON72024
Warm Beach 2WASHINGTON72024
HullvilleCALIFORNIA62019
NavarroCALIFORNIA62009
UkiahCALIFORNIA62011
Sandy RiverOREGON62006
Bunker HillWASHINGTON62024

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