Humpback whales 'bubble-net fishing' , Alaskan coast . 座頭鯨, “水泡網捕獵法", 阿拉斯加海岸.

Photographer Jon Cornforth 

Humpback whales work in unison with 'bubble-net fishing' to corral a meal off Alaskan coast | Mail Online
http://www.dailymail.co.uk/news/article-2169603/Humpback-whales-work-unison-bubble-net-fishing-corral-meal-Alaskan-coast.html
Humpback whale - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Humpback_whale
座頭鯨 - 维基百科，自由的百科全书(水泡網捕獵法) http://zh.wikipedia.org/wiki/%E5%BA%A7%E5%A4%B4%E9%B2%B8