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寿命200年,还会唱歌!快来认识海洋巨兽弓头鲸

2018-04-07 08:10[双语阅读] 来源: 浏览: 次 评论:

 《英国皇家学会会刊》发表论文称,斯匹次卑尔根群岛弓头鲸在三年的时间里制作了184种独特的歌曲类型。

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Beneath the Arctic sea ice, in the blanket of January’s polar night, bowhead whales most prefer to sing.

在北极海冰之下,在一月极地之夜的毯子里,此时此地,弓头鲸最喜欢唱歌。

While the songs of humpback whales have long received the most attention, it turns out that their baleen cousins could have a far greater repertoire.

虽然座头鲸的歌曲长久以来受到了最多的关注,但事实证明,它们的鲸鱼表兄可能有更大的曲库。

A study of a bowhead population near Svalbard has shown that their musical calls may be as varied as those of songbirds.

斯瓦尔巴德附近的对一个弓头鲸种群的研究表明,它们音乐般呼叫可能和鸣禽一样多样化。

This would make them unique among whale populations, and possibly even mammals.

这将让它们在鲸群中甚至哺乳动物中成为独一无二。

Over the course of three years, the whales of the Spitsbergen population produced 184 unique song types. The vocalisations were detected 24 hours a day throughout most of the winter each year.

在三年的时间里,斯匹次卑尔根群岛的鲸鱼制作了184种独特的歌曲类型。在每年的冬季大部分时期,它们每天24小时都发出叫声。

"The alphabet for the bowhead has got thousands of letters as far as we can tell," Prof Kate Stafford, lead author of the study published in the Proceedings of the Royal Society, told BBC News.

据《英国皇家学会会刊》发表的研究的主要作者Kate Stafford教授告诉BBC新闻:“据我们所知,弓头鲸认识的字母数量已达数千个。”

"I really think of humpback whale songs as being like classical music. Very ordered. They might last 20 - 30 minutes. An individual [bowhead] song might only be 45 seconds to 2 minutes long, but they’ll repeat that song over and over again," she added.

“我真的认为座头鲸的歌曲就像古典音乐一样,非常有序,它们可能会持续20到30分钟。一头弓头鲸个体一首歌曲可能只有45秒到2分钟,但它们会一次又一次地重复那首歌,”她补充说。

Humpback whales are known to sing similar songs across a single season, but for bowheads, song types only lasted a few hours or days before changing.

座头鲸在一个季节中会唱相似的歌曲,但对于弓头鲸而言,歌曲类型只会持续几个小时或几天,然后又换新曲子。

These complex songs are unusual, as most mammals have distinct, repetitive calls which do not vary.

这些复杂的歌曲是不寻常的,因为大多数哺乳动物有特别而重复的呼叫,但不会有那么多变化。

Although less is known about bowhead populations, the authors think it likely that males do the singing during the breeding season.

虽然人们对弓头鲸的了解程度较低,但作者认为雄性在繁殖季节可能会唱歌。

With the ability to break through up to half a metre of ice, and a potential lifespan of 200 years, bowheads can seem quite formidable.

由于能够突破半米的冰层,并且潜在的寿命达到200年,弓头鲸看起来相当强大。


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