BirdAnalyst
Species · Oregon · BBS 2025 Release · 1966–2024

Mountain Chickadee Population Trend in Oregon

All statesForest birds

Mountain Chickadee in Oregon has edged down: down 15% on the route-weighted index since 1970.

-15%Since 1970
70Routes In State
56Years

Notable Mountain Chickadee Trends in Oregon

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

Mountain Chickadee Population Forecast in Oregon

If the recent trend holds, Mountain Chickadee in Oregon is projected to stay roughly flat through 2029, near 6.8 (95% range 4.0–9.7). A 5-year backtest shows a typical error of ±26.9%, with 80% of held-out values landing inside the 95% band.

+9%Change by 2029
6.8Projected 2029 index
4.0–9.795% range
±26.9%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
20256.73.99.6
20266.83.99.6
20276.83.99.6
20286.83.99.7
20296.84.09.7

Mountain Chickadee Survey Routes in Oregon

Routes recording Mountain Chickadee in Oregon.
Paunina6220241993
Bald Mtn.4820241992
Barnes Val4519871971
Sisters4520241997
Donnelly3920061994
Lakeview3820241996
Desolation3220071993
Chinchalo3120241993
Davis Lake2620242000
Ochoco2419821972
Lapham Res.2220241991
Barnhouse2120241998
Silvies2020241994
Bly 21920242007
Mount Vernon1920241986
Elk Lake1920241972
Bly1920011973
Paisley1820241973
Silver Creek1720241984
Hash Rock1720241983
Howard Mdws.1620241992
Hells Canyon1620221992
Donelly 21520242018
Eagle Creek1520221993
Picture Flat1420241993

Mountain Chickadee Population Trend in Other States

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