Species · BCR 9 · BBS 2025 Release · 1966–2024
California Thrasher In Great Basin
California Thrasher in Great Basin has held roughly steady: down 4% on the route-weighted index since 1995.
-4%Since 1995
3Routes In Region
12Years
Notable Signals
No notable trend signals for California Thrasher in Great Basin. See the full index history below.
Routes In Great Basin
| Dorris | CALIFORNIA | 3 | 2011 |
| Deep Springs | CALIFORNIA | 1 | 1975 |
| Iron Gate | CALIFORNIA | 1 | 2017 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.