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

Hermit Thrush Population Trend in Oregon

All statesForest birds

Hermit Thrush in Oregon has declined: down 26% on the route-weighted index since 1970.

-26%Since 1970
83Routes In State
56Years

Notable Hermit Thrush Trends in Oregon

No notable trend signals for Hermit Thrush in Oregon. See the full index history below.

Hermit Thrush Population Forecast in Oregon

If the recent trend holds, Hermit Thrush in Oregon is projected to rise about 28% by 2029 — from 4.8 in 2024 to a central estimate of 6.1 (95% range 3.2–9.1). A 5-year backtest shows a typical error of ±32.9%, with 100% of held-out values landing inside the 95% band.

+28%Change by 2029
6.1Projected 2029 index
3.2–9.195% range
±32.9%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
20256.13.29.1
20266.13.29.1
20276.13.29.1
20286.13.29.1
20296.13.29.1

Hermit Thrush Survey Routes in Oregon

Routes recording Hermit Thrush in Oregon.
Clearwater5020211991
Barnhouse3920241998
Ochoco3619821972
Paunina3520241993
Bald Mtn.3420241992
Black Mtn.3020041993
Warner Mtn.2620241992
Hash Rock2520241983
Shellrock2120231968
Cool Camp2120131968
Mt Hood2020241972
Donnelly2020061994
Ruch1820231992
Silver Creek1620241984
Blue River1620241992
Cinderella1420241993
Donelly 21420242018
Logdell1320241971
Scio1320021972
Davis Lake1320242000
Eagle Creek1320221993
Howard Mdws.1220241992
Monument1220241993
Desolation1220071993
Flora1120231986

Hermit Thrush Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutidahomainemarylandmassachusettsmichiganminnesotamontananevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiopennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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