Species · Alaska · BBS 2025 Release · 1966–2024

White-crowned Sparrow Population Trend in Alaska

White-crowned Sparrow in Alaska has declined: down 28% on the route-weighted index since 1976.

-28%Since 1976
106Routes In State
47Years

Notable White-crowned Sparrow Trends in Alaska

No notable trend signals for White-crowned Sparrow in Alaska. See the full index history below.

White-crowned Sparrow Population Forecast in Alaska

If the recent trend holds, White-crowned Sparrow in Alaska is projected to stay roughly flat through 2029, near 22 (95% range 10–34). A 5-year backtest shows a typical error of ±12.4%, with 100% of held-out values landing inside the 95% band.

-1%Change by 2029
22Projected 2029 index
103495% range
±12.4%Backtest error
19682029
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
2025221134
2026221034
2027221034
2028221034
2029221034

White-crowned Sparrow Survey Routes in Alaska

Routes recording White-crowned Sparrow in Alaska.
Monahan17520211983
Cantwell16220211982
Savage13720241986
Delta11220241995
Toklat9620241982
Maclaren7820241982
Mt. Fairplay7720241993
Sheep Mtn7320171983
Eagle7220241982
Lake Louise7220141993
Dietrich Cmp6320241993
Caribou Mtn.6220241993
Kuskulana5720241990
King Salmon4820241993
Circle4620241986
Chatanika R4620231968
Wasilla4419831983
Paxson Lake4419971991
Galbraith L.4420241993
Mccarthy Rd24220241989
Kanuti Lake4220242006
Chicken4020241992
Mcgrath4020221997
Kalifonsky3920231982
Coldfoot3920241994

White-crowned Sparrow Population Trend in Other States

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