Species · BCR 33 · BBS 2025 Release · 1966–2024
Blue-gray Gnatcatcher In Sonoran and Mojave Deserts
Blue-gray Gnatcatcher in Sonoran and Mojave Deserts has edged up: up 13% on the route-weighted index since 1974.
+13%Since 1974
30Routes In Region
48Years
Notable Signals
No notable trend signals for Blue-gray Gnatcatcher in Sonoran and Mojave Deserts. See the full index history below.
Forecast
If the recent trend holds, Blue-gray Gnatcatcher in Sonoran and Mojave Deserts is projected to rise about 135% by 2029 — from 0.13 in 2024 to a central estimate of 0.31 (95% range 0.00–0.73). A 5-year backtest shows a typical error of ±388.1%, with 100% of held-out values landing inside the 95% band.
+135%Change by 2029
0.31Projected 2029 index
0.00–0.7395% range
±388.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.30 | 0.00 | 0.72 |
| 2026 | 0.31 | 0.00 | 0.73 |
| 2027 | 0.31 | 0.00 | 0.73 |
| 2028 | 0.31 | 0.00 | 0.73 |
| 2029 | 0.31 | 0.00 | 0.73 |
Routes In Sonoran and Mojave Deserts
| Cutter 2 | ARIZONA | 5 | 2018 |
| Quartzsite | ARIZONA | 3 | 2019 |
| Jean Lake | NEVADA | 3 | 2010 |
| Alamo Res. | ARIZONA | 2 | 2024 |
| Onyx | CALIFORNIA | 2 | 1995 |
| Valley Wells | CALIFORNIA | 2 | 2017 |
| Tecopa | CALIFORNIA | 2 | 2016 |
| Flynn | CALIFORNIA | 2 | 1989 |
| Death Valley | CALIFORNIA | 2 | 2021 |
| Beatty | NEVADA | 2 | 2021 |
| Oatman | ARIZONA | 1 | 2006 |
| Laguna | ARIZONA | 1 | 1984 |
| Ubehebe | CALIFORNIA | 1 | 2019 |
| Wildrose | CALIFORNIA | 1 | 2005 |
| Goldstone | CALIFORNIA | 1 | 1996 |
| Anza Borrego | CALIFORNIA | 1 | 1996 |
| Darwin | CALIFORNIA | 1 | 2005 |
| Eureka Val | CALIFORNIA | 1 | 2024 |
| Inyokern | CALIFORNIA | 1 | 2009 |
| Ivanpah | CALIFORNIA | 1 | 2019 |
| Imperial Dam | CALIFORNIA | 1 | 1984 |
| Cima | CALIFORNIA | 1 | 2021 |
| Pearblossom | CALIFORNIA | 1 | 2010 |
| Lone Pine | CALIFORNIA | 1 | 2005 |
| Kelso Valley | CALIFORNIA | 1 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.