Species · Washington · BBS 2025 Release · 1966–2024
Clark's Nutcracker Population Trend in Washington
Clark's Nutcracker in Washington has declined: down 41% on the route-weighted index since 1970.
-41%Since 1970
31Routes In State
55Years
Notable Clark's Nutcracker Trends in Washington
No notable trend signals for Clark's Nutcracker in Washington. See the full index history below.
Clark's Nutcracker Population Forecast in Washington
If the recent trend holds, Clark's Nutcracker in Washington is projected to fall about 58% by 2028 — from 0.18 in 2023 to a central estimate of 0.08 (95% range 0.00–0.69). A 5-year backtest shows a typical error of ±63.4%, with 100% of held-out values landing inside the 95% band.
-58%Change by 2028
0.08Projected 2028 index
0.00–0.6995% range
±63.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.10 | 0.00 | 0.71 |
| 2025 | 0.09 | 0.00 | 0.71 |
| 2026 | 0.09 | 0.00 | 0.70 |
| 2027 | 0.08 | 0.00 | 0.70 |
| 2028 | 0.08 | 0.00 | 0.69 |
Clark's Nutcracker Survey Routes in Washington
| L Pend O Nwr | 31 | 1995 | 1995 |
| Twisp | 8 | 2019 | 1969 |
| Winthrop | 8 | 2021 | 1988 |
| Nighthawk | 5 | 2023 | 1993 |
| Omak Creek | 5 | 2023 | 2007 |
| E. Mt. Adams | 3 | 2006 | 2006 |
| Lake Chelan | 3 | 2009 | 1991 |
| Chewelah | 2 | 1993 | 1979 |
| Rimrock | 2 | 2018 | 1968 |
| Tonasket | 2 | 2010 | 1991 |
| Wilbur | 2 | 2001 | 1985 |
| Spring Lake | 2 | 1994 | 1994 |
| Hurricane Rg | 2 | 2008 | 2008 |
| Selah | 1 | 2005 | 2005 |
| Keller | 1 | 2007 | 1968 |
| Ardenvoir | 1 | 1973 | 1972 |
| Sullivan Lake 2 | 1 | 2008 | 2008 |
| Glacier | 1 | 2021 | 2021 |
| Twin Lakes | 1 | 1987 | 1983 |
| Ronald | 1 | 2015 | 2014 |
| Leavenworth | 1 | 2017 | 1987 |
| Ellensburg | 1 | 2002 | 1993 |
| Carlton | 1 | 2022 | 1995 |
| Curlew | 1 | 2018 | 1994 |
| Blewett Pass | 1 | 2015 | 1992 |
Clark's Nutcracker Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.