Species · BCR 33 · BBS 2025 Release · 1966–2024
Burrowing Owl In Sonoran and Mojave Deserts
Burrowing Owl in Sonoran and Mojave Deserts has surged: up 87% on the route-weighted index since 1970.
+87%Since 1970
38Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Burrowing Owl has surged in Sonoran and Mojave Deserts: up 87% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Burrowing Owl in Sonoran and Mojave Deserts is projected to rise about 46% by 2029 — from 0.90 in 2024 to a central estimate of 1.3 (95% range 0.00–3.8). A 5-year backtest shows a typical error of ±203.8%, with 100% of held-out values landing inside the 95% band.
+46%Change by 2029
1.3Projected 2029 index
0.00–3.895% range
±203.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.4 | 0.00 | 3.9 |
| 2026 | 1.4 | 0.00 | 3.9 |
| 2027 | 1.4 | 0.00 | 3.9 |
| 2028 | 1.3 | 0.00 | 3.8 |
| 2029 | 1.3 | 0.00 | 3.8 |
Routes In Sonoran and Mojave Deserts
| Brawley | CALIFORNIA | 29 | 2012 |
| Alamo River | CALIFORNIA | 24 | 2018 |
| Cactus Forest | ARIZONA | 15 | 2024 |
| Niland | CALIFORNIA | 11 | 2024 |
| Coolidge | ARIZONA | 2 | 1983 |
| Antares | ARIZONA | 2 | 2013 |
| Goldstone | CALIFORNIA | 2 | 2005 |
| Palo Verde | CALIFORNIA | 2 | 2022 |
| Eureka Val | CALIFORNIA | 2 | 1993 |
| Lenwood | CALIFORNIA | 2 | 1984 |
| Cottonwood | CALIFORNIA | 2 | 2011 |
| Oatman | ARIZONA | 1 | 2013 |
| Vicksburg | ARIZONA | 1 | 1979 |
| Laguna | ARIZONA | 1 | 2005 |
| Dateland | ARIZONA | 1 | 2015 |
| Palo Verde | ARIZONA | 1 | 2011 |
| Araby | ARIZONA | 1 | 2017 |
| Red Rock | ARIZONA | 1 | 2008 |
| Casa Grande | ARIZONA | 1 | 2019 |
| Palo Verde 2 | ARIZONA | 1 | 2024 |
| Calif City | CALIFORNIA | 1 | 2015 |
| Willow Spgs | CALIFORNIA | 1 | 1981 |
| Barstow | CALIFORNIA | 1 | 1996 |
| Glamis | CALIFORNIA | 1 | 1968 |
| Anza Borrego | CALIFORNIA | 1 | 1984 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.