Albatrosses, Skuas, Petrels & Shearwaters, and two families of Storm Petrels are all seabirds only coming to land to breed. Skuas are a group of predatory and kleptoparasitic seabirds with seven species forming the genus Stercorarius, the only genus in the family Stercorariidae.
They are all in the order Procellariiformes.
