Species · Oregon · BBS 2025 Release · 1966–2024

Spotted Towhee Population Trend in Oregon

Spotted Towhee in Oregon has edged down: down 17% on the route-weighted index since 1970.

-17%Since 1970
113Routes In State
56Years

Notable Spotted Towhee Trends in Oregon

No notable trend signals for Spotted Towhee in Oregon. See the full index history below.

Spotted Towhee Population Forecast in Oregon

If the recent trend holds, Spotted Towhee in Oregon is projected to rise about 25% by 2029 — from 4.9 in 2024 to a central estimate of 6.1 (95% range 3.6–8.6). A 5-year backtest shows a typical error of ±13.1%, with 100% of held-out values landing inside the 95% band.

+25%Change by 2029
6.1Projected 2029 index
3.68.695% range
±13.1%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
20256.13.68.6
20266.13.68.6
20276.13.68.6
20286.13.68.6
20296.13.68.6

Spotted Towhee Survey Routes in Oregon

Routes recording Spotted Towhee in Oregon.
Garfield3920231973
Umpqua3720241968
Adair3620241971
Tualatin3520241968
Green3120241994
Derby2719931968
Elkton2520241972
Selma2520241994
Salem2420241993
Dayton2220241973
Sandy River2220061993
Emigrant Lk2120011972
Mt Hood1820241972
Ruch1720231992
Troy1520241992
Scappoose1520231995
Mcminnville1420241994
Fisher1420101997
Hazel Camp1320221975
Secret Val1320221975
Badger Creek1320241992
Santiam1320241994
Emigrant Lake 21220242002
Canby1220241993
Lorane1220241993

Spotted Towhee Population Trend in Other States

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