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

California Quail In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

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

-66%Since 1970
94Routes In Region
56Years

Notable Signals

long arc declinecomputed index

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

Forecast

If the recent trend holds, California Quail in Northern Pacific Rainforest is projected to fall about 17% by 2029 — from 1.3 in 2024 to a central estimate of 1.1 (95% range 0.00–3.0). A 5-year backtest shows a typical error of ±15.8%, with 100% of held-out values landing inside the 95% band.

-17%Change by 2029
1.1Projected 2029 index
0.00–3.095% range
±15.8%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
20251.40.003.3
20261.30.003.2
20271.20.003.2
20281.20.003.1
20291.10.003.0

Routes In Northern Pacific Rainforest

Routes recording California Quail in Northern Pacific Rainforest.
LongvaleCALIFORNIA232023
HullvilleCALIFORNIA222019
GazelleCALIFORNIA202021
Fish RockCALIFORNIA192014
Horse CreekCALIFORNIA162019
HoneydewCALIFORNIA112017
LaytonvilleCALIFORNIA102024
KorbelCALIFORNIA102024
AdairOREGON102024
McminnvilleOREGON102024
ScappooseOREGON102023
Port AngelesWASHINGTON102023
DerbyOREGON91993
Burnt RanchCALIFORNIA82016
ScioOREGON82024
NavarroCALIFORNIA72011
Junction CtyCALIFORNIA72012
Rio DellCALIFORNIA62012
Bodega BayCALIFORNIA62021
YrekaCALIFORNIA62019
UmpquaOREGON62024
Emigrant LkOREGON62001
GreenOREGON62024
Crescent CtyCALIFORNIA52024
Mt ShastaCALIFORNIA52015

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