BirdAnalyst
Guild · Alaska · BBS 2025 Release · 1966–2024

Seabirds In Alaska

All statesAlaska

4 species in this guild. As a group they are -16% since 1977.

Guild Signals

No notable trend signals for seabirds in Alaska. See the full index history below.

Forecast

If the recent trend holds, Seabirds in Alaska is projected to fall about 71% by 2029 — from 0.97 in 2024 to a central estimate of 0.28 (95% range 0.00–2.2). A 5-year backtest shows a typical error of ±25%, with 100% of held-out values landing inside the 95% band.

-71%Change by 2029
0.28Projected 2029 index
0.00–2.295% range
±25%Backtest error
19722029
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
20250.360.002.3
20260.340.002.3
20270.320.002.2
20280.300.002.2
20290.280.002.2

Member Species In Alaska

Seabirds species in Alaska.
Parasitic JaegerStercorariidae-88%
Pigeon GuillemotAlcidae-49%
Marbled MurreletAlcidae+97%
Long-tailed JaegerStercorariidae+342%

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