Species · BCR 9 · BBS 2025 Release · 1966–2024
Common Loon In Great Basin
Common Loon in Great Basin has collapsed: down 78% on the route-weighted index since 1985.
-78%Since 1985
14Routes In Region
23Years
Notable Signals
No notable trend signals for Common Loon in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Common Loon in Great Basin is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.02). A 5-year backtest shows a typical error of ±24.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.00Projected 2028 index
0.00–0.0295% range
±24.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.00 | 0.00 | 0.02 |
| 2025 | 0.00 | 0.00 | 0.02 |
| 2026 | 0.00 | 0.00 | 0.02 |
| 2027 | 0.00 | 0.00 | 0.02 |
| 2028 | 0.00 | 0.00 | 0.02 |
Routes In Great Basin
| Ardenvoir | WASHINGTON | 2 | 1984 |
| Triangle | IDAHO | 1 | 1987 |
| Iron Springs | IDAHO | 1 | 2011 |
| Daniels Res | IDAHO | 1 | 1997 |
| Brewster | WASHINGTON | 1 | 2014 |
| Rimrock | WASHINGTON | 1 | 2014 |
| Tonasket | WASHINGTON | 1 | 2018 |
| Ronald | WASHINGTON | 1 | 2015 |
| Nighthawk | WASHINGTON | 1 | 2019 |
| L. Wenatchee | WASHINGTON | 1 | 2023 |
| Yakima | WASHINGTON | 1 | 1997 |
| Hanford Site | WASHINGTON | 1 | 1992 |
| No Cascades | WASHINGTON | 1 | 2007 |
| Horn Rapids | WASHINGTON | 1 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.