Species · BCR 32 · BBS 2025 Release · 1966–2024
California Towhee In Coastal California
California Towhee in Coastal California has edged up: up 13% on the route-weighted index since 1970.
+13%Since 1970
107Routes In Region
56Years
Notable Signals
No notable trend signals for California Towhee in Coastal California. See the full index history below.
Forecast
If the recent trend holds, California Towhee in Coastal California is projected to fall about 16% by 2029 — from 16 in 2024 to a central estimate of 13 (95% range 9.8–17). A 5-year backtest shows a typical error of ±8.1%, with 100% of held-out values landing inside the 95% band.
-16%Change by 2029
13Projected 2029 index
9.8–1795% range
±8.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 13 | 9.8 | 17 |
| 2026 | 13 | 9.8 | 17 |
| 2027 | 13 | 9.8 | 17 |
| 2028 | 13 | 9.8 | 17 |
| 2029 | 13 | 9.8 | 17 |
Routes In Coastal California
| Colma | CALIFORNIA | 94 | 1972 |
| Poway | CALIFORNIA | 86 | 1980 |
| Oak Grove | CALIFORNIA | 73 | 2024 |
| Harbor Lake 2 | CALIFORNIA | 64 | 2024 |
| Cuyamaca Pk | CALIFORNIA | 57 | 2024 |
| Tujunga | CALIFORNIA | 52 | 2021 |
| Elsinore Mtn | CALIFORNIA | 52 | 2024 |
| White River | CALIFORNIA | 49 | 1992 |
| Harbor Lake | CALIFORNIA | 44 | 1991 |
| Mark West | CALIFORNIA | 42 | 2024 |
| Jacumba | CALIFORNIA | 40 | 2024 |
| Jofegan 2 | CALIFORNIA | 39 | 2024 |
| Rumsey | CALIFORNIA | 38 | 2008 |
| Adelaida | CALIFORNIA | 33 | 2024 |
| Mt Baldy | CALIFORNIA | 33 | 2024 |
| Jackson | CALIFORNIA | 33 | 1992 |
| Tres Pinos 2 | CALIFORNIA | 30 | 2011 |
| Foster Park | CALIFORNIA | 29 | 1994 |
| Sisquoc | CALIFORNIA | 28 | 2014 |
| Gold Hill | CALIFORNIA | 25 | 2024 |
| Folsom | CALIFORNIA | 23 | 2024 |
| Mesa Grande | CALIFORNIA | 21 | 2024 |
| Anza 2 | CALIFORNIA | 21 | 2024 |
| Yokohl Val | CALIFORNIA | 20 | 1997 |
| San Ysidro | CALIFORNIA | 20 | 2019 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.