Species · Alaska · BBS 2025 Release · 1966–2024
Great Gray Owl Population Trend in Alaska
Great Gray Owl in Alaska has increased: up 48% on the route-weighted index since 1996.
+48%Since 1996
11Routes In State
20Years
Notable Great Gray Owl Trends in Alaska
No notable trend signals for Great Gray Owl in Alaska. See the full index history below.
Great Gray Owl Population Forecast in Alaska
If the recent trend holds, Great Gray Owl in Alaska is projected to stay roughly flat through 2029, near 0.03 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±44.4%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.03Projected 2029 index
0.00–0.0595% range
±44.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.05 |
| 2026 | 0.03 | 0.00 | 0.05 |
| 2027 | 0.03 | 0.00 | 0.05 |
| 2028 | 0.03 | 0.00 | 0.05 |
| 2029 | 0.03 | 0.00 | 0.05 |
Great Gray Owl Survey Routes in Alaska
| Eagle | 1 | 2024 | 2017 |
| Circle | 1 | 2022 | 1996 |
| Mud River | 1 | 2019 | 1997 |
| Nabesna Road | 1 | 2011 | 2011 |
| Kuskulana | 1 | 1998 | 1998 |
| Lake Louise | 1 | 1998 | 1998 |
| Tatalina | 1 | 2001 | 1995 |
| Whale Pass | 1 | 2005 | 2005 |
| Hather Creek | 1 | 1994 | 1994 |
| Nicholai Sl | 1 | 2021 | 2006 |
| Kanuti Lake | 1 | 2021 | 2016 |
Great Gray Owl Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.