The wolverine's work in breaking open the frozen carcass means that once he's gone, hungry ravens fight for scraps.

狼獾能撕开冻硬的尸体，这意味着一旦它离去，饥饿的乌鸦就会群起争夺残食。

Scientists from the University of New South Wales say this is impeding the penguins' breeding attempts. They have seen thousands of freezing carcasses and abandoned eggs.

来自新南威尔士大学的科学家称这就令企鹅不愿意繁殖，他们看到有数千个冰冷的尸体和被抛弃的企鹅蛋。