Adult Brown Skuas Catharacta antarctica feeding on a penguin carcass near the Antarctic peninsula in the southern ocean. Adult Brown Skuas Catharacta antarctica feeding on a penguin carcass near the Antarctic peninsula in the southern ocean MORE INFO This skua is often referred to as Antarctic Skua or vice versa, the taxonomy of Skuas is still a matter of dispute Other names probably owing to the high level of hybridization in this species include Southern Great Skua, Southern Skua or Subantar