Species · BCR 33 · BBS 2025 Release · 1966–2024
Phainopepla In Sonoran and Mojave Deserts
Phainopepla in Sonoran and Mojave Deserts has surged: up 264% on the route-weighted index since 1970.
+264%Since 1970
73Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Phainopepla has surged in Sonoran and Mojave Deserts: up 264% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Phainopepla in Sonoran and Mojave Deserts is projected to rise about 111% by 2029 — from 2.1 in 2024 to a central estimate of 4.5 (95% range 1.9–7.1). A 5-year backtest shows a typical error of ±85.3%, with 80% of held-out values landing inside the 95% band.
+111%Change by 2029
4.5Projected 2029 index
1.9–7.195% range
±85.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.3 | 1.6 | 6.9 |
| 2026 | 4.3 | 1.7 | 6.9 |
| 2027 | 4.4 | 1.8 | 7.0 |
| 2028 | 4.4 | 1.8 | 7.1 |
| 2029 | 4.5 | 1.9 | 7.1 |
Routes In Sonoran and Mojave Deserts
| Organ Pipe | ARIZONA | 48 | 2023 |
| Bates Well | ARIZONA | 41 | 2023 |
| Cutter 2 | ARIZONA | 25 | 2018 |
| Pearblossom | CALIFORNIA | 20 | 2019 |
| Cabeza Priet | ARIZONA | 16 | 2024 |
| Joshua Tree 2 | CALIFORNIA | 14 | 2016 |
| Coachella Cn | CALIFORNIA | 11 | 1988 |
| Wikieup | ARIZONA | 9 | 2024 |
| Ajo | ARIZONA | 8 | 2008 |
| Lukeville | ARIZONA | 8 | 1980 |
| Gila Bend | ARIZONA | 7 | 2024 |
| Anza Borrego | CALIFORNIA | 7 | 2024 |
| Nelson | NEVADA | 7 | 2024 |
| Quartzsite | ARIZONA | 6 | 2024 |
| Palo Verde | ARIZONA | 6 | 2013 |
| Valley Wells | CALIFORNIA | 6 | 2023 |
| Casa Grande | ARIZONA | 5 | 2023 |
| Ajo 2 | ARIZONA | 5 | 2022 |
| Barstow | CALIFORNIA | 5 | 1995 |
| Palo Verde | CALIFORNIA | 5 | 1977 |
| Willow Beach 2 | ARIZONA | 4 | 2024 |
| Iron Mtns | CALIFORNIA | 4 | 2013 |
| Dateland | ARIZONA | 3 | 2012 |
| Alamo Res. | ARIZONA | 3 | 2021 |
| Ivanpah | CALIFORNIA | 3 | 2019 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.