Species · Alaska · BBS 2025 Release · 1966–2024
Northern Shrike Population Trend in Alaska
Northern Shrike in Alaska has fallen sharply: down 64% on the route-weighted index since 1985.
-64%Since 1985
29Routes In State
31Years
Notable Northern Shrike Trends in Alaska
long arc declinecomputed index
Northern Shrike has fallen sharply in Alaska: down 64% on the route-weighted index since 1985.
Northern Shrike Population Forecast in Alaska
If the recent trend holds, Northern Shrike in Alaska is projected to stay roughly flat through 2029, near 0.02 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±77.1%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.02Projected 2029 index
0.00–0.0995% range
±77.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.09 |
| 2026 | 0.02 | 0.00 | 0.09 |
| 2027 | 0.02 | 0.00 | 0.09 |
| 2028 | 0.02 | 0.00 | 0.09 |
| 2029 | 0.02 | 0.00 | 0.09 |
Northern Shrike Survey Routes in Alaska
| Dietrich Cmp | 3 | 2021 | 2021 |
| Galbraith L. | 2 | 2022 | 2022 |
| Kalifonsky | 2 | 1982 | 1982 |
| Teller | 2 | 2017 | 2008 |
| Kachemak | 2 | 1998 | 1998 |
| Cold Bay | 2 | 2024 | 2019 |
| Chiniak | 1 | 2022 | 1985 |
| Tower Bluffs | 1 | 1997 | 1997 |
| Maclaren | 1 | 2018 | 1992 |
| Cantwell | 1 | 2003 | 1998 |
| Toklat | 1 | 2012 | 1993 |
| Seward | 1 | 1992 | 1992 |
| Burma Road | 1 | 2009 | 2006 |
| Council | 1 | 2008 | 2004 |
| Haines | 1 | 1989 | 1989 |
| Happy Valley | 1 | 2018 | 2018 |
| Mud River | 1 | 2008 | 2000 |
| Nome | 1 | 2023 | 1997 |
| Salmon Lake | 1 | 2017 | 2007 |
| Sheep Mtn | 1 | 1985 | 1985 |
| Kotzebue | 1 | 2022 | 2008 |
| King Salmon | 1 | 2024 | 1997 |
| Chicken | 1 | 2011 | 2011 |
| Kodiak 2 | 1 | 1991 | 1991 |
| Savage | 1 | 2012 | 1986 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.