Species · BCR 5 · BBS 2025 Release · 1966–2024
Clark's Nutcracker In Northern Pacific Rainforest
Clark's Nutcracker in Northern Pacific Rainforest has declined: down 46% on the route-weighted index since 1975.
-46%Since 1975
10Routes In Region
41Years
Notable Signals
No notable trend signals for Clark's Nutcracker in Northern Pacific Rainforest. See the full index history below.
Forecast
If the recent trend holds, Clark's Nutcracker in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.18). A 5-year backtest shows a typical error of ±54.1%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1895% range
±54.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.19 |
| 2026 | 0.01 | 0.00 | 0.19 |
| 2027 | 0.01 | 0.00 | 0.18 |
| 2028 | 0.01 | 0.00 | 0.18 |
| 2029 | 0.00 | 0.00 | 0.18 |
Routes In Northern Pacific Rainforest
| Hullville | CALIFORNIA | 8 | 2006 |
| Mt Shasta | CALIFORNIA | 4 | 2019 |
| Emigrant Lake 2 | OREGON | 4 | 2002 |
| Elk Lake | OREGON | 2 | 2024 |
| Hurricane Rg | WASHINGTON | 2 | 2008 |
| Mccloud | CALIFORNIA | 1 | 1981 |
| Gazelle | CALIFORNIA | 1 | 2021 |
| Cool Camp | OREGON | 1 | 2013 |
| Whiskey Spg. | OREGON | 1 | 2011 |
| Mt Rainier | WASHINGTON | 1 | 1993 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.