Species · BCR 15 · BBS 2025 Release · 1966–2024
Phainopepla In Sierra Nevada
Phainopepla in Sierra Nevada has declined: down 38% on the route-weighted index since 1977.
-38%Since 1977
7Routes In Region
29Years
Notable Signals
No notable trend signals for Phainopepla in Sierra Nevada. See the full index history below.
Forecast
If the recent trend holds, Phainopepla in Sierra Nevada is projected to rise about 94% by 2026 — from 0.06 in 2021 to a central estimate of 0.12 (95% range 0.00–0.33). A 5-year backtest shows a typical error of ±92%, with 100% of held-out values landing inside the 95% band.
+94%Change by 2026
0.12Projected 2026 index
0.00–0.3395% range
±92%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2022 | 0.13 | 0.00 | 0.34 |
| 2023 | 0.12 | 0.00 | 0.34 |
| 2024 | 0.12 | 0.00 | 0.34 |
| 2025 | 0.12 | 0.00 | 0.33 |
| 2026 | 0.12 | 0.00 | 0.33 |
Routes In Sierra Nevada
| Kernville | CALIFORNIA | 5 | 2008 |
| Silver City | CALIFORNIA | 3 | 2013 |
| Coulterville | CALIFORNIA | 3 | 2016 |
| Bass Lake | CALIFORNIA | 1 | 2019 |
| Greenhorn Mt | CALIFORNIA | 1 | 1988 |
| Wawona | CALIFORNIA | 1 | 2004 |
| Crestview | CALIFORNIA | 1 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.