Species · BCR 32 · BBS 2025 Release · 1966–2024
Rock Pigeon In Coastal California
Rock Pigeon in Coastal California has increased: up 30% on the route-weighted index since 1970.
+30%Since 1970
96Routes In Region
56Years
Notable Signals
No notable trend signals for Rock Pigeon in Coastal California. See the full index history below.
Forecast
If the recent trend holds, Rock Pigeon in Coastal California is projected to fall about 49% by 2029 — from 12 in 2024 to a central estimate of 6.4 (95% range 0.06–13). A 5-year backtest shows a typical error of ±32%, with 80% of held-out values landing inside the 95% band.
-49%Change by 2029
6.4Projected 2029 index
0.06–1395% range
±32%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.6 | 0.29 | 13 |
| 2026 | 6.6 | 0.23 | 13 |
| 2027 | 6.5 | 0.17 | 13 |
| 2028 | 6.5 | 0.12 | 13 |
| 2029 | 6.4 | 0.06 | 13 |
Routes In Coastal California
| Moreno | CALIFORNIA | 190 | 2024 |
| Livermore | CALIFORNIA | 129 | 1991 |
| Mark West | CALIFORNIA | 87 | 2024 |
| Gravesboro | CALIFORNIA | 74 | 1995 |
| Cordova | CALIFORNIA | 70 | 1981 |
| Hollister | CALIFORNIA | 61 | 2011 |
| Greenfield | CALIFORNIA | 51 | 2024 |
| Harbor Lake | CALIFORNIA | 44 | 1991 |
| Auburn | CALIFORNIA | 40 | 1979 |
| Ora Loma | CALIFORNIA | 40 | 2024 |
| El Toro | CALIFORNIA | 39 | 1999 |
| Folsom | CALIFORNIA | 36 | 2008 |
| Sanger | CALIFORNIA | 36 | 2024 |
| Parkfield | CALIFORNIA | 34 | 2024 |
| Ventucopa | CALIFORNIA | 33 | 1997 |
| Orange Cove | CALIFORNIA | 25 | 2016 |
| Hollister 2 | CALIFORNIA | 21 | 2024 |
| Tracy 2 | CALIFORNIA | 21 | 2024 |
| Tracy | CALIFORNIA | 17 | 2009 |
| Coyote | CALIFORNIA | 16 | 2024 |
| Cleveland Nf | CALIFORNIA | 16 | 1997 |
| San Ysidro | CALIFORNIA | 15 | 2019 |
| Orland | CALIFORNIA | 15 | 2022 |
| Oroville | CALIFORNIA | 15 | 2024 |
| Pennington | CALIFORNIA | 13 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.