Species · BCR 5 · BBS 2025 Release · 1966–2024
Willow Ptarmigan In Northern Pacific Rainforest
Willow Ptarmigan in Northern Pacific Rainforest has edged down: down 19% on the route-weighted index since 2005.
-19%Since 2005
5Routes In Region
14Years
Notable Signals
No notable trend signals for Willow Ptarmigan in Northern Pacific Rainforest. See the full index history below.
Routes In Northern Pacific Rainforest
| Skagway | ALASKA | 4 | 2019 |
| Thompson Pas | ALASKA | 1 | 2024 |
| Sheep Mtn | ALASKA | 1 | 2006 |
| Zimovia Strt | ALASKA | 1 | 2010 |
| Zarembo | ALASKA | 1 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.