Species · Alaska · BBS 2025 Release · 1966–2024
Rock Sandpiper Population Trend in Alaska
Rock Sandpiper in Alaska has collapsed: down 77% on the route-weighted index since 1986.
-77%Since 1986
3Routes In State
30Years
Notable Rock Sandpiper Trends in Alaska
long arc declinecomputed index
Rock Sandpiper has collapsed in Alaska: down 77% on the route-weighted index since 1986.
Rock Sandpiper Population Forecast in Alaska
If the recent trend holds, Rock Sandpiper in Alaska is projected to fall about 100% by 2029 — from 0.57 in 2024 to a central estimate of 0.00 (95% range 0.00–1.7). A 5-year backtest shows a typical error of ±288.2%, with 60% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–1.795% range
±288.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.20 | 0.00 | 1.9 |
| 2026 | 0.14 | 0.00 | 1.9 |
| 2027 | 0.08 | 0.00 | 1.8 |
| 2028 | 0.02 | 0.00 | 1.7 |
| 2029 | 0.00 | 0.00 | 1.7 |
Rock Sandpiper Survey Routes in Alaska
| Cold Bay (Short) | 78 | 1992 | 1984 |
| Cold Bay | 38 | 2024 | 1993 |
| Adak | 2 | 2001 | 1986 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.