Species · BCR 5 · BBS 2025 Release · 1966–2024
Nuttall's Woodpecker In Northern Pacific Rainforest
Nuttall's Woodpecker in Northern Pacific Rainforest has fallen sharply: down 53% on the route-weighted index since 1973.
-53%Since 1973
12Routes In Region
26Years
Notable Signals
long arc declinecomputed index
Nuttall's Woodpecker has fallen sharply in Northern Pacific Rainforest: down 53% on the route-weighted index since 1973.
Forecast
If the recent trend holds, Nuttall's Woodpecker in Northern Pacific Rainforest is projected to stay roughly flat through 2020, near 0.01 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±106.8%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2020
0.01Projected 2020 index
0.00–0.0595% range
±106.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2016 | 0.01 | 0.00 | 0.05 |
| 2017 | 0.01 | 0.00 | 0.05 |
| 2018 | 0.01 | 0.00 | 0.05 |
| 2019 | 0.01 | 0.00 | 0.05 |
| 2020 | 0.01 | 0.00 | 0.05 |
Routes In Northern Pacific Rainforest
| Ukiah | CALIFORNIA | 6 | 2011 |
| Hullville | CALIFORNIA | 3 | 2007 |
| Shasta Lake | CALIFORNIA | 2 | 1992 |
| Longvale | CALIFORNIA | 2 | 2015 |
| Honeydew | CALIFORNIA | 1 | 1968 |
| Fish Rock | CALIFORNIA | 1 | 2005 |
| Navarro | CALIFORNIA | 1 | 1972 |
| Junction Cty | CALIFORNIA | 1 | 2010 |
| Laytonville | CALIFORNIA | 1 | 1990 |
| Bodega Bay | CALIFORNIA | 1 | 2014 |
| Whiskeytown | CALIFORNIA | 1 | 2002 |
| French Gulch | CALIFORNIA | 1 | 2010 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.