BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Purple Finch In Great Basin

All regionsGreat BasinGeneralists

Purple Finch in Great Basin has increased: up 41% on the route-weighted index since 1970.

+41%Since 1970
57Routes In Region
56Years

Notable Signals

No notable trend signals for Purple Finch in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Purple Finch in Great Basin is projected to fall about 44% by 2029 — from 0.70 in 2024 to a central estimate of 0.39 (95% range 0.00–0.99). A 5-year backtest shows a typical error of ±35.5%, with 100% of held-out values landing inside the 95% band.

-44%Change by 2029
0.39Projected 2029 index
0.00–0.9995% range
±35.5%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
20250.410.001.0
20260.400.001.0
20270.400.001.0
20280.400.001.00
20290.390.000.99

Routes In Great Basin

Routes recording Purple Finch in Great Basin.
LeavenworthWASHINGTON172024
KendallWASHINGTON132024
ArdenvoirWASHINGTON111972
L. WenatcheeWASHINGTON112024
MazamaWASHINGTON102022
Crowley LakeCALIFORNIA91977
Mt HoodOREGON92024
Badger CreekOREGON92024
Crowder FlatCALIFORNIA82002
Blewett PassWASHINGTON82024
NubieberCALIFORNIA72007
Wizard FallsOREGON72022
TwispWASHINGTON72024
WinthropWASHINGTON72010
RimrockWASHINGTON62024
LikelyCALIFORNIA51978
Davis CreekCALIFORNIA51979
MacdoelCALIFORNIA42016
RonaldWASHINGTON42024
Lake ChelanWASHINGTON42024
BartleCALIFORNIA32021
TionestaCALIFORNIA32021
MadelineCALIFORNIA31998
Clear Lk ResCALIFORNIA21995
HackamoreCALIFORNIA22009

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