Species · BCR 32 · BBS 2025 Release · 1966–2024
Canyon Wren In Coastal California
Canyon Wren in Coastal California has declined: down 32% on the route-weighted index since 1971.
-32%Since 1971
43Routes In Region
55Years
Notable Signals
No notable trend signals for Canyon Wren in Coastal California. See the full index history below.
Forecast
If the recent trend holds, Canyon Wren in Coastal California is projected to fall about 17% by 2029 — from 0.21 in 2024 to a central estimate of 0.18 (95% range 0.00–0.37). A 5-year backtest shows a typical error of ±25.1%, with 100% of held-out values landing inside the 95% band.
-17%Change by 2029
0.18Projected 2029 index
0.00–0.3795% range
±25.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.18 | 0.00 | 0.38 |
| 2026 | 0.18 | 0.00 | 0.37 |
| 2027 | 0.18 | 0.00 | 0.37 |
| 2028 | 0.18 | 0.00 | 0.37 |
| 2029 | 0.18 | 0.00 | 0.37 |
Routes In Coastal California
| Cohasset | CALIFORNIA | 6 | 2023 |
| Mt Baldy | CALIFORNIA | 4 | 2024 |
| White River | CALIFORNIA | 4 | 1992 |
| Angelus Oaks | CALIFORNIA | 4 | 2016 |
| Elsinore Mtn | CALIFORNIA | 3 | 2024 |
| Jofegan | CALIFORNIA | 3 | 2018 |
| Orange Cove | CALIFORNIA | 2 | 2011 |
| Sawmill Mtn | CALIFORNIA | 2 | 2014 |
| Tujunga | CALIFORNIA | 2 | 2021 |
| Fallsvale | CALIFORNIA | 2 | 1981 |
| Anza | CALIFORNIA | 2 | 1995 |
| Tehama | CALIFORNIA | 2 | 2016 |
| Rumsey | CALIFORNIA | 1 | 2001 |
| Yokohl Val | CALIFORNIA | 1 | 1997 |
| Santa Ynez | CALIFORNIA | 1 | 2019 |
| Foster Park | CALIFORNIA | 1 | 1994 |
| Moreno | CALIFORNIA | 1 | 2024 |
| Oak Grove | CALIFORNIA | 1 | 2023 |
| Coalinga | CALIFORNIA | 1 | 2006 |
| Lake Success | CALIFORNIA | 1 | 1996 |
| Big Bear | CALIFORNIA | 1 | 1980 |
| Mesa Grande | CALIFORNIA | 1 | 1992 |
| Valyermo | CALIFORNIA | 1 | 2018 |
| Sisquoc | CALIFORNIA | 1 | 1987 |
| Lockwood Val | CALIFORNIA | 1 | 1987 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.