Species · Alaska · BBS 2025 Release · 1966–2024
Whimbrel Population Trend in Alaska
Whimbrel in Alaska has risen sharply: up 66% on the route-weighted index since 1985.
+66%Since 1985
27Routes In State
38Years
Notable Whimbrel Trends in Alaska
long arc increasecomputed index
Whimbrel has risen sharply in Alaska: up 66% on the route-weighted index since 1985.
Whimbrel Population Forecast in Alaska
If the recent trend holds, Whimbrel in Alaska is projected to fall about 62% by 2029 — from 0.39 in 2024 to a central estimate of 0.15 (95% range 0.00–0.67). A 5-year backtest shows a typical error of ±64.9%, with 80% of held-out values landing inside the 95% band.
-62%Change by 2029
0.15Projected 2029 index
0.00–0.6795% range
±64.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.19 | 0.00 | 0.71 |
| 2026 | 0.18 | 0.00 | 0.70 |
| 2027 | 0.17 | 0.00 | 0.69 |
| 2028 | 0.16 | 0.00 | 0.68 |
| 2029 | 0.15 | 0.00 | 0.67 |
Whimbrel Survey Routes in Alaska
| King Salmon | 46 | 2023 | 1993 |
| Kugarak (Short) | 16 | 1987 | 1986 |
| Kotzebue (Short) | 16 | 1994 | 1986 |
| Savage | 11 | 2024 | 1994 |
| Selawik (Short) | 7 | 1987 | 1986 |
| Kotzebue | 5 | 2024 | 2001 |
| Paxson Lake | 4 | 1996 | 1991 |
| Red Dog | 4 | 2024 | 1995 |
| Cape Nome | 3 | 2024 | 1993 |
| Nome | 3 | 2023 | 1993 |
| St. Mary'S | 3 | 2014 | 1993 |
| Homer | 2 | 1982 | 1982 |
| Galbraith L. | 2 | 2024 | 1998 |
| Teller | 2 | 2010 | 1997 |
| Gweek River | 2 | 2002 | 1997 |
| Maclaren | 1 | 2022 | 1992 |
| Monahan | 1 | 2017 | 1991 |
| Cantwell | 1 | 2018 | 2017 |
| Toklat | 1 | 2024 | 1982 |
| Caribou Mtn. | 1 | 2015 | 1995 |
| Council | 1 | 2012 | 1996 |
| Donelly Dome | 1 | 2012 | 2000 |
| Happy Valley | 1 | 2022 | 1998 |
| Kobuk River (Short) | 1 | 1991 | 1991 |
| Sheep Mtn | 1 | 2011 | 2000 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.