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

California Quail In Great Basin

All regionsGreat BasinGeneralists

California Quail in Great Basin has surged: up 134% on the route-weighted index since 1970.

+134%Since 1970
165Routes In Region
56Years

Notable Signals

long arc increasecomputed index

California Quail has surged in Great Basin: up 134% on the route-weighted index since 1970.

Forecast

If the recent trend holds, California Quail in Great Basin is projected to rise about 14% by 2029 — from 5.4 in 2024 to a central estimate of 6.1 (95% range 3.6–8.6). A 5-year backtest shows a typical error of ±34.6%, with 80% of held-out values landing inside the 95% band.

+14%Change by 2029
6.1Projected 2029 index
3.6–8.695% range
±34.6%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
20255.93.48.3
20265.93.58.4
20276.03.58.5
20286.13.68.5
20296.13.68.6

Routes In Great Basin

Routes recording California Quail in Great Basin.
FallonNEVADA1472024
Carson RiverNEVADA652005
MesaWASHINGTON592008
Bowden HillsOREGON451999
DorrisCALIFORNIA412019
MaldenWASHINGTON382024
DeschutesOREGON342024
EllensburgWASHINGTON312024
Fandango CanOREGON302024
PicaboIDAHO292021
UmatillaOREGON292023
NighthawkWASHINGTON272024
WapatoWASHINGTON262022
Iron GateCALIFORNIA242019
CedarvilleCALIFORNIA232024
OrdnanceOREGON231979
PendletonOREGON232024
NubieberCALIFORNIA222018
OdessaWASHINGTON222024
Honey LakeCALIFORNIA202024
Davis CreekCALIFORNIA192024
Pasadena ValIDAHO192016
NixonNEVADA192024
Columbia NwrWASHINGTON192022
Fish LakeOREGON182024

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