Species · BCR 33 · BBS 2025 Release · 1966–2024
Pinyon Jay In Sonoran and Mojave Deserts
Pinyon Jay in Sonoran and Mojave Deserts has collapsed: down 76% on the route-weighted index since 1970.
-76%Since 1970
12Routes In Region
32Years
Notable Signals
long arc declinecomputed index
Pinyon Jay has collapsed in Sonoran and Mojave Deserts: down 76% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Pinyon Jay in Sonoran and Mojave Deserts is projected to stay roughly flat through 2027, near 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±797.9%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2027
0.00Projected 2027 index
0.00–1.195% range
±797.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2023 | 0.00 | 0.00 | 1.1 |
| 2024 | 0.00 | 0.00 | 1.1 |
| 2025 | 0.00 | 0.00 | 1.1 |
| 2026 | 0.00 | 0.00 | 1.1 |
| 2027 | 0.00 | 0.00 | 1.1 |
Routes In Sonoran and Mojave Deserts
| Alamo | NEVADA | 16 | 1972 |
| Death Valley | CALIFORNIA | 7 | 1994 |
| Cholla Gard. | CALIFORNIA | 3 | 2012 |
| Cima | CALIFORNIA | 2 | 1991 |
| Wildrose | CALIFORNIA | 1 | 1991 |
| Onyx | CALIFORNIA | 1 | 1996 |
| Eureka Val | CALIFORNIA | 1 | 2005 |
| Ivanpah | CALIFORNIA | 1 | 2017 |
| Pearblossom | CALIFORNIA | 1 | 1974 |
| Kelso Valley | CALIFORNIA | 1 | 2022 |
| Joshua Tree | CALIFORNIA | 1 | 1999 |
| Jean Lake | NEVADA | 1 | 2009 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.