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

Bushtit Population Trend in Oregon

All statesGeneralists

Bushtit in Oregon has collapsed: down 79% on the route-weighted index since 1970.

-79%Since 1970
72Routes In State
56Years

Notable Bushtit Trends in Oregon

long arc declinecomputed index

Bushtit has collapsed in Oregon: down 79% on the route-weighted index since 1970.

Bushtit Population Forecast in Oregon

If the recent trend holds, Bushtit in Oregon is projected to fall about 57% by 2029 — from 0.73 in 2024 to a central estimate of 0.31 (95% range 0.00–1.4). A 5-year backtest shows a typical error of ±28.6%, with 100% of held-out values landing inside the 95% band.

-57%Change by 2029
0.31Projected 2029 index
0.00–1.495% range
±28.6%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
20250.380.001.4
20260.360.001.4
20270.350.001.4
20280.330.001.4
20290.310.001.4

Bushtit Survey Routes in Oregon

Routes recording Bushtit in Oregon.
Elkton2220241974
Tualatin1620241968
Ruch1620151996
Ochoco1220142014
Nicolai Mtn.1020241993
Mikkalo1020022001
Trout Creek820212017
Eagle Rock819771973
Mt Hood820141987
Fish Lake820211993
Cool Camp720012001
Emigrant Lake 2720192004
Hauser619801970
Wagontire620042004
Derby619901968
Alvord Lake620052005
Dayton620241975
Camp Sherman619831972
Madras520231997
Myrtle Grove520231997
Cinderella520241996
Scappoose420211995
Winberry420231968
Svensen419921990
Harlan420092006

Bushtit Population Trend in Other States

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