Species · BCR 2 · BBS 2025 Release · 1966–2024
Savannah Sparrow In BCR 2
Savannah Sparrow in BCR 2 has declined: down 26% on the route-weighted index since 1985.
-26%Since 1985
22Routes In Region
41Years
Notable Signals
No notable trend signals for Savannah Sparrow in BCR 2. See the full index history below.
Forecast
If the recent trend holds, Savannah Sparrow in BCR 2 is projected to rise about 52% by 2029 — from 20 in 2024 to a central estimate of 30 (95% range 6.6–53). A 5-year backtest shows a typical error of ±74.8%, with 100% of held-out values landing inside the 95% band.
+52%Change by 2029
30Projected 2029 index
6.6–5395% range
±74.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 30 | 6.8 | 53 |
| 2026 | 30 | 6.7 | 53 |
| 2027 | 30 | 6.7 | 53 |
| 2028 | 30 | 6.7 | 53 |
| 2029 | 30 | 6.6 | 53 |
Routes In BCR 2
| St. Mary'S | ALASKA | 55 | 2014 |
| Cold Bay (Short) | ALASKA | 38 | 1992 |
| Kodiak | ALASKA | 36 | 1984 |
| Nome | ALASKA | 35 | 2023 |
| Cold Bay | ALASKA | 34 | 2024 |
| Cape Nome | ALASKA | 31 | 2024 |
| King Salmon | ALASKA | 27 | 2024 |
| Goodnews Bay | ALASKA | 27 | 2005 |
| Teller | ALASKA | 24 | 2024 |
| Chiniak | ALASKA | 21 | 2024 |
| Kodiak 2 | ALASKA | 21 | 2024 |
| Togiak River | ALASKA | 20 | 2005 |
| Dillingham (Short) | ALASKA | 17 | 1984 |
| Dillingham | ALASKA | 7 | 2019 |
| Council | ALASKA | 7 | 2024 |
| Kotzebue | ALASKA | 7 | 2024 |
| Kotzebue (Short) | ALASKA | 6 | 1994 |
| Salmon Lake | ALASKA | 5 | 2024 |
| Kanektok Riv | ALASKA | 5 | 2005 |
| Gweek River | ALASKA | 4 | 2001 |
| Katmai N.P. | ALASKA | 1 | 2019 |
| Tupuknuk | ALASKA | 1 | 1995 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.