- It's difficult for a single dolphin to catch the fish.
单只海豚想吃它们是很困难的 - To avoid wasting energy the work as a group.
为了避免浪费精力,它们进行团队合作 - They drive the fish upwards, trapping them against the surface
它们将鱼儿赶上海面,目的是诱捕它们 - and there, other predators await them.
因为那里还有掠食者在等着鱼儿们 - Cory's shearwaters. They're waiting for the dolphin to drive the prey closer to the surface.
猛鹱 正在等着海豚把猎物赶上水面 - Now the shearwaters can dive down on them, descending to twenty meters or more
猛鹱出动了 它们可以潜至20米甚至更深来捉鱼 - and the dolphins block the baitball's retreat.
海豚们锁定了从海面撤退的鱼群
and there, other predators await them. 因为那里还有掠食者在等着鱼儿们
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