Species · California · BBS 2025 Release · 1966–2024

California Towhee Population Trend in California

California Towhee in California has held roughly steady: down 1% on the route-weighted index since 1970.

-1%Since 1970
158Routes In State
56Years

Notable California Towhee Trends in California

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

California Towhee Population Forecast in California

If the recent trend holds, California Towhee in California is projected to fall about 29% by 2029 — from 8.5 in 2024 to a central estimate of 6.0 (95% range 3.8–8.2). A 5-year backtest shows a typical error of ±23.6%, with 40% of held-out values landing inside the 95% band.

-29%Change by 2029
6.0Projected 2029 index
3.88.295% range
±23.6%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
20256.24.08.4
20266.14.08.3
20276.13.98.3
20286.13.98.2
20296.03.88.2

California Towhee Survey Routes in California

Routes recording California Towhee in California.
Colma9419721968
Poway8619801973
Oak Grove7320241968
Harbor Lake 26420242014
Cuyamaca Pk5720241970
Tujunga5220211970
Elsinore Mtn5220241970
White River4919921972
Harbor Lake4419911973
Mark West4220241972
Jacumba4020241973
Jofegan 23920242024
Rumsey3820081969
Adelaida3320241970
Mt Baldy3320241970
Jackson3319921972
Tres Pinos 23020112005
Foster Park2919941968
Sisquoc2820141970
Gold Hill2520241974
Folsom2320241984
Kernville2220082008
Mesa Grande2120241970
Anza 22120242005
Yokohl Val2019971972

California Towhee Population Trend in Other States

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