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Species · Oregon · BBS 2025 Release · 1966–2024

Mountain Quail Population Trend in Oregon

All statesGeneralists

Mountain Quail in Oregon has increased: up 25% on the route-weighted index since 1971.

+25%Since 1971
51Routes In State
55Years

Notable Mountain Quail Trends in Oregon

No notable trend signals for Mountain Quail in Oregon. See the full index history below.

Mountain Quail Population Forecast in Oregon

If the recent trend holds, Mountain Quail in Oregon is projected to stay roughly flat through 2029, near 0.40 (95% range 0.06–0.74). A 5-year backtest shows a typical error of ±34.3%, with 100% of held-out values landing inside the 95% band.

-5%Change by 2029
0.40Projected 2029 index
0.06–0.7495% range
±34.3%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
20250.410.070.74
20260.410.070.74
20270.410.070.74
20280.400.070.74
20290.400.060.74

Mountain Quail Survey Routes in Oregon

Routes recording Mountain Quail in Oregon.
Hazel Camp1420221977
Prospect1020241993
Twickenham920162011
Mt Hood720221990
Secret Val720221975
Hash Rock520242021
Paunina520112006
Days Creek420241970
Badger Creek420242000
Selma420231993
Shellrock320192007
Harlan 2320242016
Emigrant Lake 2320232006
Emigrant Lk319911972
Ochoco320152015
Cinderella320241993
Sams Valley320241993
Molalla219951994
Albee220132013
Scappoose220092009
Wizard Falls220162010
Elkton220241973
Clearwater220121991
Waldport220011993
Blue River220061997

Mountain Quail Population Trend in Other States

californianevadawashington

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