Species · BCR 33 · BBS 2025 Release · 1966–2024
House Finch In Sonoran and Mojave Deserts
House Finch in Sonoran and Mojave Deserts has declined: down 36% on the route-weighted index since 1970.
-36%Since 1970
87Routes In Region
56Years
Notable Signals
No notable trend signals for House Finch in Sonoran and Mojave Deserts. See the full index history below.
Forecast
If the recent trend holds, House Finch in Sonoran and Mojave Deserts is projected to stay roughly flat through 2029, near 16 (95% range 5.9–26). A 5-year backtest shows a typical error of ±9.1%, with 100% of held-out values landing inside the 95% band.
-5%Change by 2029
16Projected 2029 index
5.9–2695% range
±9.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 16 | 6.5 | 26 |
| 2026 | 16 | 6.4 | 26 |
| 2027 | 16 | 6.2 | 26 |
| 2028 | 16 | 6.1 | 26 |
| 2029 | 16 | 5.9 | 26 |
Routes In Sonoran and Mojave Deserts
| Joshua Tree | CALIFORNIA | 154 | 2002 |
| Willow Spgs | CALIFORNIA | 112 | 1981 |
| Calif City | CALIFORNIA | 106 | 2015 |
| Joshua Tree 2 | CALIFORNIA | 102 | 2016 |
| New River | ARIZONA | 75 | 2016 |
| Onyx | CALIFORNIA | 65 | 2015 |
| Florence | ARIZONA | 59 | 1988 |
| Wildrose | CALIFORNIA | 53 | 2022 |
| Anza Borrego | CALIFORNIA | 50 | 2024 |
| Inyokern | CALIFORNIA | 49 | 2024 |
| Willow Springs 2 | CALIFORNIA | 48 | 2024 |
| Riviera | ARIZONA | 46 | 2024 |
| Kelso Valley | CALIFORNIA | 45 | 2024 |
| Nelson | NEVADA | 43 | 2024 |
| Pearblossom | CALIFORNIA | 42 | 2024 |
| Casa Grande | ARIZONA | 40 | 2023 |
| Organ Pipe | ARIZONA | 40 | 2023 |
| Ajo 2 | ARIZONA | 34 | 2022 |
| Araby | ARIZONA | 33 | 2023 |
| Cactus Forest | ARIZONA | 32 | 2024 |
| Wickenburg | ARIZONA | 26 | 2023 |
| Alamo | NEVADA | 24 | 1973 |
| Alamo River | CALIFORNIA | 23 | 2018 |
| Cutter 2 | ARIZONA | 21 | 2018 |
| Lukeville | ARIZONA | 19 | 1981 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.