Structure and variability of the marine-bird community in the northeastern Chukchi Sea

► Seabird community of the northeastern Chukchi Sea comprises primarily alcids. ► Strength of stratification was the best predictor of seabird abundance. ► Abundance of most planktivorous seabirds was positively associated with salinity. ► Structure of seabird community is influenced by strength of advection from the Bering Sea.