Species · BCR 15 · BBS 2025 Release · 1966–2024
Red-breasted Sapsucker In Sierra Nevada
Red-breasted Sapsucker in Sierra Nevada has risen sharply: up 52% on the route-weighted index since 1970.
+52%Since 1970
37Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Red-breasted Sapsucker has risen sharply in Sierra Nevada: up 52% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Red-breasted Sapsucker in Sierra Nevada is projected to rise about 16% by 2029 — from 1.5 in 2024 to a central estimate of 1.7 (95% range 0.76–2.7). A 5-year backtest shows a typical error of ±16.9%, with 100% of held-out values landing inside the 95% band.
+16%Change by 2029
1.7Projected 2029 index
0.76–2.795% range
±16.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.7 | 0.73 | 2.6 |
| 2026 | 1.7 | 0.74 | 2.6 |
| 2027 | 1.7 | 0.74 | 2.7 |
| 2028 | 1.7 | 0.75 | 2.7 |
| 2029 | 1.7 | 0.76 | 2.7 |
Routes In Sierra Nevada
| Woodfords | CALIFORNIA | 7 | 2022 |
| Chilcoot | CALIFORNIA | 7 | 2024 |
| Meadow Valley | CALIFORNIA | 6 | 2024 |
| Little Truckee | CALIFORNIA | 6 | 2023 |
| Forest Hill | CALIFORNIA | 6 | 2022 |
| Greenhorn Mt | CALIFORNIA | 5 | 2008 |
| Genesee | CALIFORNIA | 5 | 2024 |
| Riverton | CALIFORNIA | 5 | 2023 |
| Lassen Park | CALIFORNIA | 4 | 1987 |
| Goumaz | CALIFORNIA | 4 | 2011 |
| Butte Meadow | CALIFORNIA | 3 | 2014 |
| Tahoe Nf | CALIFORNIA | 3 | 1994 |
| Paxton | CALIFORNIA | 3 | 2022 |
| Westville | CALIFORNIA | 2 | 2024 |
| Johnsville | CALIFORNIA | 2 | 2024 |
| Lumberyard | CALIFORNIA | 2 | 2024 |
| Strawberry | CALIFORNIA | 2 | 2019 |
| Eagle Lake | CALIFORNIA | 1 | 2021 |
| Cottage Spgs | CALIFORNIA | 1 | 1974 |
| Dardanelle | CALIFORNIA | 1 | 2019 |
| Silver City | CALIFORNIA | 1 | 2012 |
| Kings Canyon | CALIFORNIA | 1 | 2009 |
| Tuolumne Grove | CALIFORNIA | 1 | 2019 |
| Sattley | CALIFORNIA | 1 | 1999 |
| Higgins Corn | CALIFORNIA | 1 | 2022 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.