Species · Alaska · BBS 2025 Release · 1966–2024
Peregrine Falcon Population Trend in Alaska
Peregrine Falcon in Alaska has increased: up 48% on the route-weighted index since 1998.
+48%Since 1998
23Routes In State
27Years
Notable Peregrine Falcon Trends in Alaska
No notable trend signals for Peregrine Falcon in Alaska. See the full index history below.
Peregrine Falcon Population Forecast in Alaska
If the recent trend holds, Peregrine Falcon in Alaska is projected to stay roughly flat through 2029, near 0.06 (95% range 0.01–0.11). A 5-year backtest shows a typical error of ±165.2%, with 60% of held-out values landing inside the 95% band.
n/aChange by 2029
0.06Projected 2029 index
0.01–0.1195% range
±165.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.06 | 0.01 | 0.11 |
| 2026 | 0.06 | 0.01 | 0.11 |
| 2027 | 0.06 | 0.01 | 0.11 |
| 2028 | 0.06 | 0.01 | 0.11 |
| 2029 | 0.06 | 0.01 | 0.11 |
Peregrine Falcon Survey Routes in Alaska
| Northway | 2 | 2019 | 2016 |
| Eagle | 1 | 2014 | 2010 |
| Slana | 1 | 2005 | 1999 |
| Tower Bluffs | 1 | 2010 | 2010 |
| Maclaren | 1 | 2013 | 2013 |
| Monahan | 1 | 1997 | 1997 |
| Cantwell | 1 | 2017 | 2017 |
| Cape Nome | 1 | 2012 | 2004 |
| Unalakleet River | 1 | 2006 | 2006 |
| Happy Valley | 1 | 2023 | 1996 |
| Haines | 1 | 2024 | 2024 |
| Hather Creek | 1 | 2015 | 1996 |
| Kanuti Canyn | 1 | 2017 | 1999 |
| Mcgrath | 1 | 2022 | 2019 |
| Manley Ht Sp | 1 | 2021 | 2021 |
| Teller | 1 | 2003 | 2003 |
| Porcupine R. | 1 | 1998 | 1998 |
| Anvik River | 1 | 2022 | 1999 |
| Sheep Mtn | 1 | 2011 | 2011 |
| Kanuti Lake | 1 | 2021 | 2015 |
| Cold Bay | 1 | 2005 | 2005 |
| King Salmon | 1 | 2004 | 2004 |
| Chicken | 1 | 2022 | 2022 |
Peregrine Falcon Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.