And a fifth of females underwent reproductive failure, and there were other diseases that were caused there.

五分之一的女性经历了生殖障碍，并且还有其他疾病引起。

" What that means is we should be more cautious and concerned about reproductive failures and things like that to make sure that in good years everyone that wants to has a chance to breed, and do well, " Boersma said.

“这意味着我们应该更加谨慎和关注繁殖失败之类的事情，以确保在好年景里，每只想要繁殖的鸟都有机会繁殖并状况良好。”