Species · BCR 5 · BBS 2025 Release · 1966–2024
Brown Creeper In Northern Pacific Rainforest
Brown Creeper in Northern Pacific Rainforest has surged: up 286% on the route-weighted index since 1970.
+286%Since 1970
148Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Brown Creeper has surged in Northern Pacific Rainforest: up 286% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Brown Creeper in Northern Pacific Rainforest is projected to fall about 14% by 2029 — from 2.2 in 2024 to a central estimate of 1.9 (95% range 1.4–2.4). A 5-year backtest shows a typical error of ±17.3%, with 80% of held-out values landing inside the 95% band.
-14%Change by 2029
1.9Projected 2029 index
1.4–2.495% range
±17.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.8 | 1.3 | 2.3 |
| 2026 | 1.8 | 1.3 | 2.3 |
| 2027 | 1.9 | 1.4 | 2.3 |
| 2028 | 1.9 | 1.4 | 2.4 |
| 2029 | 1.9 | 1.4 | 2.4 |
Routes In Northern Pacific Rainforest
| Holmes | CALIFORNIA | 18 | 2024 |
| Craig | ALASKA | 13 | 2018 |
| Vashon Is. | WASHINGTON | 12 | 2024 |
| Whiskeytown | CALIFORNIA | 9 | 2013 |
| Fish Rock | CALIFORNIA | 8 | 2014 |
| Myrtle Grove | OREGON | 8 | 2024 |
| Carnation | WASHINGTON | 8 | 2024 |
| Deception | WASHINGTON | 8 | 2018 |
| Clearwater | OREGON | 7 | 2021 |
| Shellrock | OREGON | 6 | 2023 |
| Winberry | OREGON | 6 | 2023 |
| Ruch | OREGON | 6 | 2023 |
| Whiskey Spg. | OREGON | 6 | 2015 |
| Harlan | OREGON | 6 | 2008 |
| Fisher | OREGON | 6 | 2010 |
| Cougar | WASHINGTON | 6 | 2023 |
| Rainier | WASHINGTON | 6 | 2019 |
| Hope | ALASKA | 5 | 2024 |
| Mitkof Isle | ALASKA | 5 | 2024 |
| Kuiu Island | ALASKA | 5 | 2010 |
| Offield Mtn | CALIFORNIA | 5 | 2014 |
| Elkton | OREGON | 5 | 2024 |
| Nicolai Mtn. | OREGON | 5 | 2024 |
| Cinderella | OREGON | 5 | 2024 |
| Sandy River | OREGON | 5 | 2006 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.