Species · BCR 5 · BBS 2025 Release · 1966–2024
Common Loon In Northern Pacific Rainforest
Common Loon in Northern Pacific Rainforest has surged: up 103% on the route-weighted index since 1976.
+103%Since 1976
31Routes In Region
43Years
Notable Signals
long arc increasecomputed index
Common Loon has surged in Northern Pacific Rainforest: up 103% on the route-weighted index since 1976.
Forecast
If the recent trend holds, Common Loon in Northern Pacific Rainforest is projected to fall about 64% by 2029 — from 0.13 in 2024 to a central estimate of 0.05 (95% range 0.00–0.12). A 5-year backtest shows a typical error of ±50.7%, with 80% of held-out values landing inside the 95% band.
-64%Change by 2029
0.05Projected 2029 index
0.00–0.1295% range
±50.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.05 | 0.00 | 0.12 |
| 2026 | 0.05 | 0.00 | 0.12 |
| 2027 | 0.05 | 0.00 | 0.12 |
| 2028 | 0.05 | 0.00 | 0.12 |
| 2029 | 0.05 | 0.00 | 0.12 |
Routes In Northern Pacific Rainforest
| Raymond 2 | WASHINGTON | 5 | 2024 |
| Ozette | WASHINGTON | 4 | 2009 |
| Haines | ALASKA | 3 | 2024 |
| Thorne Bay 2 | ALASKA | 3 | 2022 |
| Sheep Mtn | ALASKA | 2 | 2011 |
| Thorne Bay | ALASKA | 2 | 2012 |
| Yakutat | ALASKA | 2 | 2023 |
| Harlequin L. | ALASKA | 2 | 2017 |
| Sitka (Short) | ALASKA | 2 | 1985 |
| Ilwaco | WASHINGTON | 2 | 1977 |
| Cedar Falls | WASHINGTON | 2 | 2013 |
| Seward | ALASKA | 1 | 1984 |
| Craig | ALASKA | 1 | 2024 |
| Ketchikan | ALASKA | 1 | 2021 |
| Beaver Creek | ALASKA | 1 | 1977 |
| Cordova | ALASKA | 1 | 2006 |
| Thompson Pas | ALASKA | 1 | 2021 |
| Moose Pass | ALASKA | 1 | 1992 |
| Mitkof Isle | ALASKA | 1 | 2018 |
| Zimovia Strt | ALASKA | 1 | 2024 |
| Whale Pass | ALASKA | 1 | 2022 |
| Skagway | ALASKA | 1 | 1995 |
| Zarembo | ALASKA | 1 | 2022 |
| Copper River | ALASKA | 1 | 2010 |
| Wedderburn | OREGON | 1 | 1989 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.