Species · BCR 2 · BBS 2025 Release · 1966–2024
Bald Eagle In BCR 2
Bald Eagle in BCR 2 has risen sharply: up 62% on the route-weighted index since 1985.
+62%Since 1985
13Routes In Region
41Years
Notable Signals
long arc increasecomputed index
Bald Eagle has risen sharply in BCR 2: up 62% on the route-weighted index since 1985.
Forecast
If the recent trend holds, Bald Eagle in BCR 2 is projected to rise about 48% by 2029 — from 2.7 in 2024 to a central estimate of 3.9 (95% range 0.00–8.7). A 5-year backtest shows a typical error of ±65.2%, with 100% of held-out values landing inside the 95% band.
+48%Change by 2029
3.9Projected 2029 index
0.00–8.795% range
±65.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.7 | 0.00 | 8.5 |
| 2026 | 3.8 | 0.00 | 8.6 |
| 2027 | 3.8 | 0.00 | 8.6 |
| 2028 | 3.9 | 0.00 | 8.7 |
| 2029 | 3.9 | 0.00 | 8.7 |
Routes In BCR 2
| Cold Bay | ALASKA | 9 | 2024 |
| Chiniak | ALASKA | 7 | 2024 |
| King Salmon | ALASKA | 7 | 2023 |
| Kodiak 2 | ALASKA | 7 | 2024 |
| Kanektok Riv | ALASKA | 7 | 2005 |
| Goodnews Bay | ALASKA | 4 | 2005 |
| Kodiak | ALASKA | 1 | 1984 |
| Katmai N.P. | ALASKA | 1 | 1993 |
| Dillingham | ALASKA | 1 | 2011 |
| Council | ALASKA | 1 | 2024 |
| St. Mary'S | ALASKA | 1 | 1999 |
| Togiak River | ALASKA | 1 | 2005 |
| Cold Bay (Short) | ALASKA | 1 | 1992 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.