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

Cassin's Finch In Great Basin

All regionsGreat BasinGeneralists

Cassin's Finch in Great Basin has held roughly steady: up 3% on the route-weighted index since 1970.

+3%Since 1970
117Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, Cassin's Finch in Great Basin is projected to rise about 56% by 2029 — from 0.99 in 2024 to a central estimate of 1.5 (95% range 0.87–2.2). A 5-year backtest shows a typical error of ±27.1%, with 100% of held-out values landing inside the 95% band.

+56%Change by 2029
1.5Projected 2029 index
0.87–2.295% range
±27.1%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
20251.50.852.2
20261.50.852.2
20271.50.862.2
20281.50.862.2
20291.50.872.2

Routes In Great Basin

Routes recording Cassin's Finch in Great Basin.
JarbidgeNEVADA272015
Silver CityIDAHO172024
Barnes ValOREGON161987
MacdoelCALIFORNIA152019
Crowder FlatCALIFORNIA142019
Lapham Res.OREGON142024
ZumwaltOREGON142005
DeschutesOREGON122022
PaisleyOREGON122024
HarwoodWASHINGTON121993
BlyOREGON112001
ArdenvoirWASHINGTON111987
Fall River MillsCALIFORNIA102007
Blewett PassWASHINGTON102024
Medicine Mtn.CALIFORNIA92021
EllensburgWASHINGTON92024
Bly 2OREGON82024
AlmoIDAHO72023
Ruby ValleyNEVADA72001
AustinNEVADA72017
LakeviewOREGON72024
Lake ChelanWASHINGTON72024
BatesIDAHO62013
Picture FlatOREGON62024
ChinchaloOREGON62022

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