阿拉斯加游记 1 观虎背鲸捕鱼

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海上观鲸已经有多次了。去Juneau 观鲸也是第二次了。七月中旬的天气这里竟然连日阴雨,本来没有抱什么希望,可是运气不错,,竟然让我们在很近的距离看到了据说连专业导游也难得一见的虎背鲸围捕鱼群,真是太过瘾了。

说起经常出现在太平洋西岸的巨型虎背鲸(Humpback Wales, 以前还真不知道,原来他们是没有牙的,所以他们不能捕食稍大的鱼类,连阿拉斯加最常见的三文鱼也不行。他们进食的方法是寻找”Fish School”,就是一大群小型的鱼,然后一群鲸鱼潜到下面,用大量气泡把小鱼群向水面吹。小鱼在慌乱中会出于 自我保护而自动滚成越来越大的团,最后鲸鱼便含着鱼团冲上水面,喷出嘴里的海水再把鱼团吞下。这就是导游介绍的”Bubble Net Hunting”。尽管发生在水下,这种捕鱼过程的观赏性还是很强的。首先它有迹可循。在鲸鱼吹气的过程中会有各种鱼类被冲上海面,吸引了成群的海鸥上下翻飞,喧嚣不已,观鲸船只要跟对了海鸥就八九不离十了,而且距离鲸鱼不会太远。当你发现离你不到100米的海面上有八到十头鲸鱼在领头儿的指挥下同时冲上水面时,场面是十分震撼的,并且他们的巨肺里的空气所剩无几,所以会在水面上沉浮数分钟以补充空气。这时我们这些看客们就可以大饱眼福了。

虎背鲸冲上水面的照片:



这张照片鱼和鸟都很清楚。给LG的摄影技术赞一个!



虎背鲸捕鱼的视频

 



谢谢观赏!

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