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
3.8–8.295% range
±23.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.2 | 4.0 | 8.4 |
| 2026 | 6.1 | 4.0 | 8.3 |
| 2027 | 6.1 | 3.9 | 8.3 |
| 2028 | 6.1 | 3.9 | 8.2 |
| 2029 | 6.0 | 3.8 | 8.2 |
California Towhee Survey Routes in California
| Colma | 94 | 1972 | 1968 |
| Poway | 86 | 1980 | 1973 |
| Oak Grove | 73 | 2024 | 1968 |
| Harbor Lake 2 | 64 | 2024 | 2014 |
| Cuyamaca Pk | 57 | 2024 | 1970 |
| Tujunga | 52 | 2021 | 1970 |
| Elsinore Mtn | 52 | 2024 | 1970 |
| White River | 49 | 1992 | 1972 |
| Harbor Lake | 44 | 1991 | 1973 |
| Mark West | 42 | 2024 | 1972 |
| Jacumba | 40 | 2024 | 1973 |
| Jofegan 2 | 39 | 2024 | 2024 |
| Rumsey | 38 | 2008 | 1969 |
| Adelaida | 33 | 2024 | 1970 |
| Mt Baldy | 33 | 2024 | 1970 |
| Jackson | 33 | 1992 | 1972 |
| Tres Pinos 2 | 30 | 2011 | 2005 |
| Foster Park | 29 | 1994 | 1968 |
| Sisquoc | 28 | 2014 | 1970 |
| Gold Hill | 25 | 2024 | 1974 |
| Folsom | 23 | 2024 | 1984 |
| Kernville | 22 | 2008 | 2008 |
| Mesa Grande | 21 | 2024 | 1970 |
| Anza 2 | 21 | 2024 | 2005 |
| Yokohl Val | 20 | 1997 | 1972 |
California Towhee Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.