单词bird-of-ill-omen
na.: 凶鸟（乌鸦、猫头鹰等）；报凶讯的人
网络: 带来坏消息的鸟或人；不祥之鸟；不吉利的人
In west countries, there are also quite a few people think that the owl is a bird of ill omen, which is the symbol of bad fortune and death.
在西方，也有不少人认为猫头鹰是一种不祥之鸟，它是厄运和死亡的象征。
The crow is a bird of ill omen.
乌鸦是不祥的预兆。