Species · BCR 5 · BBS 2025 Release · 1966–2024
Trumpeter Swan In Northern Pacific Rainforest
Trumpeter Swan in Northern Pacific Rainforest has declined: down 40% on the route-weighted index since 1985.
-40%Since 1985
10Routes In Region
33Years
Notable Signals
No notable trend signals for Trumpeter Swan in Northern Pacific Rainforest. See the full index history below.
Forecast
If the recent trend holds, Trumpeter Swan in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 0.09 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±56%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.09Projected 2029 index
0.00–0.2395% range
±56%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.09 | 0.00 | 0.23 |
| 2026 | 0.09 | 0.00 | 0.23 |
| 2027 | 0.09 | 0.00 | 0.23 |
| 2028 | 0.09 | 0.00 | 0.23 |
| 2029 | 0.09 | 0.00 | 0.23 |
Routes In Northern Pacific Rainforest
| Cordova | ALASKA | 3 | 2024 |
| Sheep Mtn | ALASKA | 3 | 2017 |
| Copper River | ALASKA | 3 | 2011 |
| Haines | ALASKA | 2 | 2009 |
| Thompson Pas | ALASKA | 2 | 2018 |
| Yakutat | ALASKA | 2 | 2022 |
| Sitka (Short) | ALASKA | 2 | 1991 |
| Moose Pass | ALASKA | 1 | 1992 |
| Harlequin L. | ALASKA | 1 | 2005 |
| Skagway | ALASKA | 1 | 1998 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.