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
1.68.995% range
±70.7%Backtest error
19822029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20255.01.48.7
20265.11.48.7
20275.11.58.8
20285.21.68.8
20295.31.68.9

White-winged Crossbill Survey Routes in Alaska

Routes recording White-winged Crossbill in Alaska.
Chatanika R6420231993
Kanuti Canyn5420241998
Chena Hot Spring 25220241999
Chicken5120231992
Chistochina4820241990
Harlequin L.4620231994
Donelly Dome2820182011
Cottonwood2819881987
Haines2520241989
Circle2020241987
Chena River2019881988
Tonsina2020212016
Anchor River2020091983
Kanuti Lake2020242006
Swan Lake Rd1820231984
Dillingham1820172017
Delta1820161996
Cantwell1720191994
Ft. Richrdsn1720211994
Mud River1620241997
Skagway1620211994
Eagle1320241991
Elmendorf (Short)1319841984
Juneau920112002
Savage920242004

White-winged Crossbill Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.