Species · Alaska · BBS 2025 Release · 1966–2024
Bluethroat Population Trend in Alaska
Bluethroat in Alaska has surged: up 328% on the route-weighted index since 1995.
+328%Since 1995
7Routes In State
24Years
Notable Bluethroat Trends in Alaska
long arc increasecomputed index
Bluethroat has surged in Alaska: up 328% on the route-weighted index since 1995.
Bluethroat Population Forecast in Alaska
If the recent trend holds, Bluethroat in Alaska is projected to fall about 33% by 2029 — from 0.10 in 2024 to a central estimate of 0.07 (95% range 0.00–0.18). A 5-year backtest shows a typical error of ±124.7%, with 100% of held-out values landing inside the 95% band.
-33%Change by 2029
0.07Projected 2029 index
0.00–0.1895% range
±124.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.07 | 0.00 | 0.18 |
| 2026 | 0.07 | 0.00 | 0.18 |
| 2027 | 0.07 | 0.00 | 0.18 |
| 2028 | 0.07 | 0.00 | 0.18 |
| 2029 | 0.07 | 0.00 | 0.18 |
Bluethroat Survey Routes in Alaska
| Red Dog | 3 | 2024 | 1997 |
| Nome | 2 | 2023 | 1997 |
| Teller | 2 | 2015 | 1997 |
| Galbraith L. | 2 | 2024 | 1998 |
| Happy Valley | 2 | 2024 | 1996 |
| Salmon Lake | 1 | 2019 | 1993 |
| Council | 1 | 2018 | 1993 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.