Species · Alaska · BBS 2025 Release · 1966–2024
Bar-tailed Godwit Population Trend in Alaska
Bar-tailed Godwit in Alaska has declined: down 45% on the route-weighted index since 1995.
-45%Since 1995
7Routes In State
18Years
Notable Bar-tailed Godwit Trends in Alaska
No notable trend signals for Bar-tailed Godwit in Alaska. See the full index history below.
Bar-tailed Godwit Population Forecast in Alaska
If the recent trend holds, Bar-tailed Godwit in Alaska is projected to fall about 48% by 2028 — from 0.11 in 2023 to a central estimate of 0.06 (95% range 0.00–0.26). A 5-year backtest shows a typical error of ±70.6%, with 100% of held-out values landing inside the 95% band.
-48%Change by 2028
0.06Projected 2028 index
0.00–0.2695% range
±70.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.06 | 0.00 | 0.27 |
| 2025 | 0.06 | 0.00 | 0.26 |
| 2026 | 0.06 | 0.00 | 0.26 |
| 2027 | 0.06 | 0.00 | 0.26 |
| 2028 | 0.06 | 0.00 | 0.26 |
Bar-tailed Godwit Survey Routes in Alaska
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.