skuas

Each Adelie has only two eggs and a year's investment goes into rearing them. But with skuas on the prowl one can go in a flash.

每只阿德利企鹅只有两个蛋，而饲养这些蛋需要一年的投资。但有贼鸥出没，蛋可能会瞬间毙命。

Common quarry includes eggs and small birds, but skuas also feed on small mammals and fish.

通常的猎物包括蛋和小型鸟类, 也有小型哺乳动物和鱼.

Impacts of station garbage on the diet of Antarctic skuas in King George Island

南极考察站废弃物对贼鸥食性的影响

New European Union policies have been designed to allow stocks to recover, but reduced fishing also means fewer discards for the skuas.

欧盟的新条例计划要给鱼群慢慢恢复的空间。但是，随着捕捞的减少，贼鸥所能得到的丢弃物也减少了。

These are skuas. Their specialty is stealing eggs.

这些是贼鸥，他们的特长是偷蛋。

Other Skuas: Oh, you heard that.

其他贼鸥：哦，不，别让他说那个。