Classification
Animalia [kingdom]Chordata [phylum]
Aves [class]
Charadriiformes [order]
Stercorariidae [family]
Stercorarius [genus]
Genus Stercorarius bevat de volgende taxa:
Stercorarius longicaudus (Long-tailed Skua) [species]
Stercorarius parasiticus (Arctic Skua) [species]
Stercorarius pomarinus (Pomarine Skua) [species]
Stercorarius skua (Great Skua) [species]