Species · BCR 15 · BBS 2025 Release · 1966–2024
Downy Woodpecker In Sierra Nevada
Downy Woodpecker in Sierra Nevada has held roughly steady: down 5% on the route-weighted index since 1971.
-5%Since 1971
28Routes In Region
53Years
Notable Signals
No notable trend signals for Downy Woodpecker in Sierra Nevada. See the full index history below.
Forecast
If the recent trend holds, Downy Woodpecker in Sierra Nevada is projected to fall about 72% by 2029 — from 1.1 in 2024 to a central estimate of 0.30 (95% range 0.00–0.76). A 5-year backtest shows a typical error of ±67.1%, with 40% of held-out values landing inside the 95% band.
-72%Change by 2029
0.30Projected 2029 index
0.00–0.7695% range
±67.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.31 | 0.00 | 0.76 |
| 2026 | 0.30 | 0.00 | 0.76 |
| 2027 | 0.30 | 0.00 | 0.76 |
| 2028 | 0.30 | 0.00 | 0.76 |
| 2029 | 0.30 | 0.00 | 0.76 |
Routes In Sierra Nevada
| Genesee | CALIFORNIA | 7 | 2024 |
| Higgins Corn | CALIFORNIA | 7 | 2024 |
| Lakeshore | CALIFORNIA | 3 | 2024 |
| Westville | CALIFORNIA | 2 | 2024 |
| Cottage Spgs | CALIFORNIA | 2 | 1974 |
| Hat Creek | CALIFORNIA | 2 | 1989 |
| Wawona | CALIFORNIA | 2 | 2015 |
| Lassen Park | CALIFORNIA | 1 | 1988 |
| Bass Lake | CALIFORNIA | 1 | 2018 |
| Johnsville | CALIFORNIA | 1 | 2011 |
| Woodfords | CALIFORNIA | 1 | 2024 |
| Greenhorn Mt | CALIFORNIA | 1 | 1985 |
| Silver City | CALIFORNIA | 1 | 2011 |
| Kings Canyon | CALIFORNIA | 1 | 2010 |
| Tuolumne Grove | CALIFORNIA | 1 | 2023 |
| Sattley | CALIFORNIA | 1 | 2004 |
| Butte Meadow | CALIFORNIA | 1 | 1983 |
| Downieville | CALIFORNIA | 1 | 2022 |
| Riverton | CALIFORNIA | 1 | 2023 |
| Chaos Crater | CALIFORNIA | 1 | 2019 |
| Paxton | CALIFORNIA | 1 | 2022 |
| Meadow Valley | CALIFORNIA | 1 | 2023 |
| Forest Hill | CALIFORNIA | 1 | 2019 |
| Pollock Pines | CALIFORNIA | 1 | 2007 |
| Placerville | CALIFORNIA | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.