Species · Alaska · BBS 2025 Release · 1966–2024

Black-legged Kittiwake Population Trend in Alaska

Black-legged Kittiwake in Alaska has edged up: up 21% on the route-weighted index since 1983.

+21%Since 1983
15Routes In State
40Years

Notable Black-legged Kittiwake Trends in Alaska

No notable trend signals for Black-legged Kittiwake in Alaska. See the full index history below.

Black-legged Kittiwake Population Forecast in Alaska

If the recent trend holds, Black-legged Kittiwake in Alaska is projected to rise about 29% by 2029 — from 4.2 in 2024 to a central estimate of 5.4 (95% range 0.00–16). A 5-year backtest shows a typical error of ±526.1%, with 100% of held-out values landing inside the 95% band.

+29%Change by 2029
5.4Projected 2029 index
0.001695% range
±526.1%Backtest error
19782029
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
20255.00.0016
20265.10.0016
20275.20.0016
20285.30.0016
20295.40.0016

Black-legged Kittiwake Survey Routes in Alaska

Routes recording Black-legged Kittiwake in Alaska.
Kotzebue28020242002
Homer4619821978
Chiniak920221987
Adak919921983
Kachemak420051996
Kotzebue (Short)419941986
Mitkof Isle320032003
Kodiak 2220231986
Cordova220222008
Cape Nome220231997
Yakutat220241993
Seward119841983
Juneau119961996
Haines119961993
Cold Bay119971994

Black-legged Kittiwake Population Trend in Other States

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