skua
/ˈskjuːə/noun
1- a large brownish predatory seabird related to the gulls, pursuing other birds to make them disgorge fish they have caught（大）贼鸥。
1.1
- Family Stercorariidae: genera Catharacta (four larger species) and Stercorarius (three smaller species, North American name: jaeger)贼鸥科：大贼鸥属（4大型种）和贼鸥属（3小型种, 北美名： jaeger）。
词源
late 17th cent.: modern Latin, from Faroese skúvur, from Old Norse skufr (apparently imitative).