在南非附近，一头有着四十吨力气的座头鲸冲出了水面。座头鲸常见于世界各地的沿岸水域，因其神奇的歌声而闻名，它们发出的一系列的呜咽声，嚎哭声，啜泣声以及其它各种声音常可持续的萦绕数小时。科学家们认为它们是在通过歌声进行交流和吸引配偶。

Forty tons of gleaming muscle, a humpback whale blasts out of the water near South Africa. Found in coastal waters worldwide, humpbacks are known for their magical songs, haunting sequences of moans, howls, cries, and other noises that often continue for hours on end.Scientists believe they communicate and attract mates through song.