Species · Alaska · BBS 2025 Release · 1966–2024
White-winged Crossbill Population Trend in Alaska
White-winged Crossbill in Alaska has surged: up 151% on the route-weighted index since 1984.
+151%Since 1984
82Routes In State
42Years
Notable White-winged Crossbill Trends in Alaska
long arc increasecomputed index
White-winged Crossbill has surged in Alaska: up 151% on the route-weighted index since 1984.
White-winged Crossbill Population Forecast in Alaska
If the recent trend holds, White-winged Crossbill in Alaska is projected to rise about 20% by 2029 — from 4.4 in 2024 to a central estimate of 5.3 (95% range 1.6–8.9). A 5-year backtest shows a typical error of ±70.7%, with 80% of held-out values landing inside the 95% band.
+20%Change by 2029
5.3Projected 2029 index
1.6–8.995% range
±70.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 5.0 | 1.4 | 8.7 |
| 2026 | 5.1 | 1.4 | 8.7 |
| 2027 | 5.1 | 1.5 | 8.8 |
| 2028 | 5.2 | 1.6 | 8.8 |
| 2029 | 5.3 | 1.6 | 8.9 |
White-winged Crossbill Survey Routes in Alaska
| Chatanika R | 64 | 2023 | 1993 |
| Kanuti Canyn | 54 | 2024 | 1998 |
| Chena Hot Spring 2 | 52 | 2024 | 1999 |
| Chicken | 51 | 2023 | 1992 |
| Chistochina | 48 | 2024 | 1990 |
| Harlequin L. | 46 | 2023 | 1994 |
| Donelly Dome | 28 | 2018 | 2011 |
| Cottonwood | 28 | 1988 | 1987 |
| Haines | 25 | 2024 | 1989 |
| Circle | 20 | 2024 | 1987 |
| Chena River | 20 | 1988 | 1988 |
| Tonsina | 20 | 2021 | 2016 |
| Anchor River | 20 | 2009 | 1983 |
| Kanuti Lake | 20 | 2024 | 2006 |
| Swan Lake Rd | 18 | 2023 | 1984 |
| Dillingham | 18 | 2017 | 2017 |
| Delta | 18 | 2016 | 1996 |
| Cantwell | 17 | 2019 | 1994 |
| Ft. Richrdsn | 17 | 2021 | 1994 |
| Mud River | 16 | 2024 | 1997 |
| Skagway | 16 | 2021 | 1994 |
| Eagle | 13 | 2024 | 1991 |
| Elmendorf (Short) | 13 | 1984 | 1984 |
| Juneau | 9 | 2011 | 2002 |
| Savage | 9 | 2024 | 2004 |
White-winged Crossbill Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.