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The seal feels perfectly safe lying on the Antarctic ice even if it is surrounded by a pod of killer whales. 对于海豹来说，即使有一大群虎鲸在他周围，躺在南极的冰面上他也觉得异常完美。 But within minutes it has been knocked into the water in a clever team tactic before being killed. 但是几分钟之内，被杀之前，他就会按照一定次序进入水中。 These astonishing pictures show how the sea predators work together - and the technique provides meals for killer whales three out of every four times they use it, according to scientists. 这一系列让人吃惊的图片都展示了海洋捕食者是怎样合作的，而据科学家们书，虎鲸每顿饭都要用三四次这样的方法进行捕食。 Research has also found that the mammals - around 26ft in length and weighing more than six tonnes - carefully butcher the prey underwater, co-operating as they skin and dissect the seals. 研究还发现这种重达六吨的哺乳类动物，在水底捕食海豹的时候，也会互相合作。 Dr Robert Pitman, a marine scientist at the National Oceanic and Atmospheric Administration in California, took the stunning images of the pod going in for the kill. 在加利福尼亚州国家海洋和大气管理局的海洋科学家罗伯特·皮特曼博士，拍到了这群动物如何一起进行猎杀的图片。 | 
