这是雄鲸从觅食地到繁殖地迁徙过程中的歌唱。没有人知晓这些歌的真实目的，是向雌鲸奉献的情歌？抑或是让其他雄鲸远离的警告？不管怎样，这迷人的歌声仿佛是来自另一个世界。
It is the males which sing, as they migrate between feeding and breeding grounds. No one knows for sure what the purpose of these songs is, whether they are love songs to the females or warnings to other males to stay away, but they have a mesmerizing, other-worldly quality.
(Source: wwenglish.com)